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-rw-r--r--compiler/astalgo.nim177
-rw-r--r--compiler/bitsets.nim40
-rw-r--r--compiler/ccgexprs.nim4
-rw-r--r--compiler/ccgmerge.nim3
-rw-r--r--compiler/ccgstmts.nim32
-rw-r--r--compiler/ccgthreadvars.nim4
-rw-r--r--compiler/ccgtypes.nim6
-rw-r--r--compiler/ccgutils.nim36
-rw-r--r--compiler/cgen.nim8
-rw-r--r--compiler/cgmeth.nim6
-rw-r--r--compiler/commands.nim82
-rw-r--r--compiler/condsyms.nim64
-rw-r--r--compiler/docgen.nim20
-rw-r--r--compiler/extccomp.nim18
-rw-r--r--compiler/idents.nim2
-rw-r--r--compiler/idgen.nim6
-rw-r--r--compiler/lexer.nim8
-rw-r--r--compiler/lists.nim22
-rw-r--r--compiler/llstream.nim75
-rw-r--r--compiler/lookups.nim86
-rw-r--r--compiler/magicsys.nim17
-rw-r--r--compiler/main.nim32
-rw-r--r--compiler/modules.nim2
-rw-r--r--compiler/msgs.nim52
-rw-r--r--compiler/nimconf.nim2
-rw-r--r--compiler/nimlexbase.nim15
-rw-r--r--compiler/nimrod.nim10
-rw-r--r--compiler/nimsets.nim8
-rw-r--r--compiler/options.nim2
-rw-r--r--compiler/parser.nim32
-rw-r--r--compiler/pbraces.nim2
-rw-r--r--compiler/platform.nim12
-rw-r--r--compiler/pragmas.nim32
-rw-r--r--compiler/pretty.nim166
-rw-r--r--compiler/procfind.nim10
-rw-r--r--compiler/renderer.nim8
-rw-r--r--compiler/rodread.nim34
-rw-r--r--compiler/rodutils.nim4
-rw-r--r--compiler/ropes.nim26
-rw-r--r--compiler/sem.nim2
-rw-r--r--compiler/semcall.nim24
-rw-r--r--compiler/semdata.nim32
-rw-r--r--compiler/semdestruct.nim6
-rw-r--r--compiler/semexprs.nim20
-rw-r--r--compiler/semgnrc.nim2
-rw-r--r--compiler/seminst.nim8
-rw-r--r--compiler/semstmts.nim10
-rw-r--r--compiler/semtempl.nim4
-rw-r--r--compiler/semtypes.nim2
-rw-r--r--compiler/semtypinst.nim21
-rw-r--r--compiler/service.nim2
-rw-r--r--compiler/sigmatch.nim12
-rw-r--r--compiler/suggest.nim4
-rw-r--r--compiler/syntaxes.nim30
-rw-r--r--compiler/transf.nim2
-rw-r--r--compiler/trees.nim36
-rw-r--r--compiler/treetab.nim30
-rw-r--r--compiler/types.nim81
-rw-r--r--compiler/vm.nim2
-rw-r--r--compiler/vmgen.nim2
-rw-r--r--doc/manual.txt2
-rw-r--r--lib/impure/rdstdin.nim8
-rw-r--r--lib/packages/docutils/rstast.nim4
-rw-r--r--lib/packages/docutils/rstgen.nim6
-rw-r--r--lib/pure/collections/intsets.nim8
-rw-r--r--lib/pure/collections/lists.nim8
-rw-r--r--lib/pure/collections/tables.nim72
-rw-r--r--lib/pure/lexbase.nim18
-rw-r--r--lib/pure/os.nim190
-rw-r--r--lib/pure/osproc.nim16
-rw-r--r--lib/pure/parseutils.nim4
-rw-r--r--lib/pure/sockets.nim24
-rw-r--r--lib/pure/strtabs.nim8
-rw-r--r--lib/pure/strutils.nim18
-rw-r--r--lib/pure/times.nim10
-rw-r--r--lib/pure/unicode.nim4
-rw-r--r--lib/system.nim20
-rw-r--r--lib/system/alloc.nim45
-rw-r--r--lib/system/assign.nim4
-rw-r--r--lib/system/atomics.nim122
-rw-r--r--lib/system/avltree.nim10
-rw-r--r--lib/system/cellsets.nim50
-rw-r--r--lib/system/dyncalls.nim13
-rw-r--r--lib/system/gc.nim4
-rw-r--r--lib/system/repr.nim2
-rw-r--r--lib/system/syslocks.nim54
-rw-r--r--lib/windows/winlean.nim184
-rw-r--r--todo.txt5
88 files changed, 1266 insertions, 1144 deletions
diff --git a/compiler/astalgo.nim b/compiler/astalgo.nim
index 4f869cfca..b04cff598 100644
--- a/compiler/astalgo.nim
+++ b/compiler/astalgo.nim
@@ -24,35 +24,35 @@ proc symToYaml*(n: PSym, indent: int = 0, maxRecDepth: int = - 1): PRope
 proc lineInfoToStr*(info: TLineInfo): PRope
   
 # ----------------------- node sets: ---------------------------------------
-proc ObjectSetContains*(t: TObjectSet, obj: PObject): bool
+proc objectSetContains*(t: TObjectSet, obj: PObject): bool
   # returns true whether n is in t
-proc ObjectSetIncl*(t: var TObjectSet, obj: PObject)
+proc objectSetIncl*(t: var TObjectSet, obj: PObject)
   # include an element n in the table t
-proc ObjectSetContainsOrIncl*(t: var TObjectSet, obj: PObject): bool
+proc objectSetContainsOrIncl*(t: var TObjectSet, obj: PObject): bool
   # more are not needed ...
 
 # ----------------------- (key, val)-Hashtables ----------------------------
-proc TablePut*(t: var TTable, key, val: PObject)
-proc TableGet*(t: TTable, key: PObject): PObject
+proc tablePut*(t: var TTable, key, val: PObject)
+proc tableGet*(t: TTable, key: PObject): PObject
 type 
   TCmpProc* = proc (key, closure: PObject): bool {.nimcall.} # true if found
 
-proc TableSearch*(t: TTable, key, closure: PObject, 
+proc tableSearch*(t: TTable, key, closure: PObject, 
                   comparator: TCmpProc): PObject
   # return val as soon as comparator returns true; if this never happens,
   # nil is returned
 
 # ----------------------- str table -----------------------------------------
-proc StrTableContains*(t: TStrTable, n: PSym): bool
-proc StrTableAdd*(t: var TStrTable, n: PSym)
-proc StrTableGet*(t: TStrTable, name: PIdent): PSym  
+proc strTableContains*(t: TStrTable, n: PSym): bool
+proc strTableAdd*(t: var TStrTable, n: PSym)
+proc strTableGet*(t: TStrTable, name: PIdent): PSym  
   
 type 
   TTabIter*{.final.} = object # consider all fields here private
     h*: THash                 # current hash
   
-proc InitTabIter*(ti: var TTabIter, tab: TStrTable): PSym
-proc NextIter*(ti: var TTabIter, tab: TStrTable): PSym
+proc initTabIter*(ti: var TTabIter, tab: TStrTable): PSym
+proc nextIter*(ti: var TTabIter, tab: TStrTable): PSym
   # usage:
   # var 
   #   i: TTabIter
@@ -69,8 +69,8 @@ type
     name*: PIdent
 
 
-proc InitIdentIter*(ti: var TIdentIter, tab: TStrTable, s: PIdent): PSym
-proc NextIdentIter*(ti: var TIdentIter, tab: TStrTable): PSym
+proc initIdentIter*(ti: var TIdentIter, tab: TStrTable, s: PIdent): PSym
+proc nextIdentIter*(ti: var TIdentIter, tab: TStrTable): PSym
 
 # these are for debugging only: They are not really deprecated, but I want
 # the warning so that release versions do not contain debugging statements:
@@ -79,15 +79,14 @@ proc debug*(n: PType) {.deprecated.}
 proc debug*(n: PNode) {.deprecated.}
 
 # --------------------------- ident tables ----------------------------------
-proc IdTableGet*(t: TIdTable, key: PIdObj): PObject
-proc IdTableGet*(t: TIdTable, key: int): PObject
-proc IdTablePut*(t: var TIdTable, key: PIdObj, val: PObject)
-proc IdTableHasObjectAsKey*(t: TIdTable, key: PIdObj): bool
+proc idTableGet*(t: TIdTable, key: PIdObj): PObject
+proc idTableGet*(t: TIdTable, key: int): PObject
+proc idTablePut*(t: var TIdTable, key: PIdObj, val: PObject)
+proc idTableHasObjectAsKey*(t: TIdTable, key: PIdObj): bool
   # checks if `t` contains the `key` (compared by the pointer value, not only
   # `key`'s id)
-proc IdNodeTableGet*(t: TIdNodeTable, key: PIdObj): PNode
-proc IdNodeTablePut*(t: var TIdNodeTable, key: PIdObj, val: PNode)
-proc writeIdNodeTable*(t: TIdNodeTable)
+proc idNodeTableGet*(t: TIdNodeTable, key: PIdObj): PNode
+proc idNodeTablePut*(t: var TIdNodeTable, key: PIdObj, val: PNode)
 
 # ---------------------------------------------------------------------------
 
@@ -111,9 +110,9 @@ type
     data*: TIIPairSeq
 
 
-proc initIITable*(x: var TIITable)
-proc IITableGet*(t: TIITable, key: int): int
-proc IITablePut*(t: var TIITable, key, val: int)
+proc initIiTable*(x: var TIITable)
+proc iiTableGet*(t: TIITable, key: int): int
+proc iiTablePut*(t: var TIITable, key, val: int)
 
 # implementation
 
@@ -129,7 +128,7 @@ proc skipConvTakeType*(n: PNode): PNode =
   result = n.skipConv
   result.typ = n.typ
 
-proc SameValue*(a, b: PNode): bool = 
+proc sameValue*(a, b: PNode): bool = 
   result = false
   case a.kind
   of nkCharLit..nkInt64Lit: 
@@ -141,7 +140,7 @@ proc SameValue*(a, b: PNode): bool =
   else:
     # don't raise an internal error for 'nimrod check':
     #InternalError(a.info, "SameValue")
-    nil
+    discard
 
 proc leValue*(a, b: PNode): bool = 
   # a <= b?
@@ -156,7 +155,7 @@ proc leValue*(a, b: PNode): bool =
   else: 
     # don't raise an internal error for 'nimrod check':
     #InternalError(a.info, "leValue")
-    nil
+    discard
 
 proc lookupInRecord(n: PNode, field: PIdent): PSym = 
   result = nil
@@ -182,14 +181,14 @@ proc lookupInRecord(n: PNode, field: PIdent): PSym =
 proc getModule(s: PSym): PSym = 
   result = s
   assert((result.kind == skModule) or (result.owner != result))
-  while (result != nil) and (result.kind != skModule): result = result.owner
+  while result != nil and result.kind != skModule: result = result.owner
   
 proc getSymFromList(list: PNode, ident: PIdent, start: int = 0): PSym = 
   for i in countup(start, sonsLen(list) - 1): 
     if list.sons[i].kind == nkSym:
       result = list.sons[i].sym
       if result.name.id == ident.id: return 
-    else: InternalError(list.info, "getSymFromList")
+    else: internalError(list.info, "getSymFromList")
   result = nil
 
 proc hashNode(p: PObject): THash = 
@@ -501,7 +500,7 @@ proc objectSetContainsOrIncl(t: var TObjectSet, obj: PObject): bool =
   inc(t.counter)
   result = false
 
-proc TableRawGet(t: TTable, key: PObject): int = 
+proc tableRawGet(t: TTable, key: PObject): int = 
   var h: THash = hashNode(key) and high(t.data) # start with real hash value
   while t.data[h].key != nil: 
     if t.data[h].key == key: 
@@ -509,7 +508,7 @@ proc TableRawGet(t: TTable, key: PObject): int =
     h = nextTry(h, high(t.data))
   result = -1
 
-proc TableSearch(t: TTable, key, closure: PObject, 
+proc tableSearch(t: TTable, key, closure: PObject, 
                  comparator: TCmpProc): PObject = 
   var h: THash = hashNode(key) and high(t.data) # start with real hash value
   while t.data[h].key != nil: 
@@ -520,13 +519,13 @@ proc TableSearch(t: TTable, key, closure: PObject,
     h = nextTry(h, high(t.data))
   result = nil
 
-proc TableGet(t: TTable, key: PObject): PObject = 
-  var index = TableRawGet(t, key)
+proc tableGet(t: TTable, key: PObject): PObject = 
+  var index = tableRawGet(t, key)
   if index >= 0: result = t.data[index].val
   else: result = nil
   
-proc TableRawInsert(data: var TPairSeq, key, val: PObject) = 
-  var h: THash = HashNode(key) and high(data)
+proc tableRawInsert(data: var TPairSeq, key, val: PObject) = 
+  var h: THash = hashNode(key) and high(data)
   while data[h].key != nil: 
     assert(data[h].key != key)
     h = nextTry(h, high(data))
@@ -534,23 +533,23 @@ proc TableRawInsert(data: var TPairSeq, key, val: PObject) =
   data[h].key = key
   data[h].val = val
 
-proc TableEnlarge(t: var TTable) = 
+proc tableEnlarge(t: var TTable) = 
   var n: TPairSeq
   newSeq(n, len(t.data) * growthFactor)
   for i in countup(0, high(t.data)): 
-    if t.data[i].key != nil: TableRawInsert(n, t.data[i].key, t.data[i].val)
+    if t.data[i].key != nil: tableRawInsert(n, t.data[i].key, t.data[i].val)
   swap(t.data, n)
 
-proc TablePut(t: var TTable, key, val: PObject) = 
+proc tablePut(t: var TTable, key, val: PObject) = 
   var index = TableRawGet(t, key)
   if index >= 0: 
     t.data[index].val = val
   else: 
-    if mustRehash(len(t.data), t.counter): TableEnlarge(t)
-    TableRawInsert(t.data, key, val)
+    if mustRehash(len(t.data), t.counter): tableEnlarge(t)
+    tableRawInsert(t.data, key, val)
     inc(t.counter)
 
-proc StrTableContains(t: TStrTable, n: PSym): bool = 
+proc strTableContains(t: TStrTable, n: PSym): bool = 
   var h: THash = n.name.h and high(t.data) # start with real hash value
   while t.data[h] != nil: 
     if (t.data[h] == n): 
@@ -558,7 +557,7 @@ proc StrTableContains(t: TStrTable, n: PSym): bool =
     h = nextTry(h, high(t.data))
   result = false
 
-proc StrTableRawInsert(data: var TSymSeq, n: PSym) = 
+proc strTableRawInsert(data: var TSymSeq, n: PSym) = 
   var h: THash = n.name.h and high(data)
   while data[h] != nil: 
     if data[h] == n:
@@ -569,7 +568,7 @@ proc StrTableRawInsert(data: var TSymSeq, n: PSym) =
   assert(data[h] == nil)
   data[h] = n
 
-proc SymTabReplaceRaw(data: var TSymSeq, prevSym: PSym, newSym: PSym) =
+proc symTabReplaceRaw(data: var TSymSeq, prevSym: PSym, newSym: PSym) =
   assert prevSym.name.h == newSym.name.h
   var h: THash = prevSym.name.h and high(data)
   while data[h] != nil:
@@ -579,22 +578,22 @@ proc SymTabReplaceRaw(data: var TSymSeq, prevSym: PSym, newSym: PSym) =
     h = nextTry(h, high(data))
   assert false
  
-proc SymTabReplace*(t: var TStrTable, prevSym: PSym, newSym: PSym) =
-  SymTabReplaceRaw(t.data, prevSym, newSym)
+proc symTabReplace*(t: var TStrTable, prevSym: PSym, newSym: PSym) =
+  symTabReplaceRaw(t.data, prevSym, newSym)
 
-proc StrTableEnlarge(t: var TStrTable) = 
+proc strTableEnlarge(t: var TStrTable) = 
   var n: TSymSeq
   newSeq(n, len(t.data) * growthFactor)
   for i in countup(0, high(t.data)): 
     if t.data[i] != nil: StrTableRawInsert(n, t.data[i])
   swap(t.data, n)
 
-proc StrTableAdd(t: var TStrTable, n: PSym) = 
+proc strTableAdd(t: var TStrTable, n: PSym) = 
   if mustRehash(len(t.data), t.counter): StrTableEnlarge(t)
   StrTableRawInsert(t.data, n)
   inc(t.counter)
 
-proc StrTableIncl*(t: var TStrTable, n: PSym): bool {.discardable.} =
+proc strTableIncl*(t: var TStrTable, n: PSym): bool {.discardable.} =
   # returns true if n is already in the string table:
   # It is essential that `n` is written nevertheless!
   # This way the newest redefinition is picked by the semantic analyses!
@@ -616,7 +615,7 @@ proc StrTableIncl*(t: var TStrTable, n: PSym): bool {.discardable.} =
   inc(t.counter)
   result = false
 
-proc StrTableGet(t: TStrTable, name: PIdent): PSym = 
+proc strTableGet(t: TStrTable, name: PIdent): PSym = 
   var h: THash = name.h and high(t.data)
   while true: 
     result = t.data[h]
@@ -624,13 +623,13 @@ proc StrTableGet(t: TStrTable, name: PIdent): PSym =
     if result.name.id == name.id: break 
     h = nextTry(h, high(t.data))
 
-proc InitIdentIter(ti: var TIdentIter, tab: TStrTable, s: PIdent): PSym = 
+proc initIdentIter(ti: var TIdentIter, tab: TStrTable, s: PIdent): PSym = 
   ti.h = s.h
   ti.name = s
   if tab.Counter == 0: result = nil
   else: result = NextIdentIter(ti, tab)
   
-proc NextIdentIter(ti: var TIdentIter, tab: TStrTable): PSym = 
+proc nextIdentIter(ti: var TIdentIter, tab: TStrTable): PSym = 
   var h, start: THash
   h = ti.h and high(tab.data)
   start = h
@@ -644,7 +643,7 @@ proc NextIdentIter(ti: var TIdentIter, tab: TStrTable): PSym =
     result = tab.data[h]
   ti.h = nextTry(h, high(tab.data))
   
-proc NextIdentExcluding*(ti: var TIdentIter, tab: TStrTable, 
+proc nextIdentExcluding*(ti: var TIdentIter, tab: TStrTable, 
                          excluding: TIntSet): PSym =
   var h: THash = ti.h and high(tab.data)
   var start = h
@@ -660,33 +659,33 @@ proc NextIdentExcluding*(ti: var TIdentIter, tab: TStrTable,
   ti.h = nextTry(h, high(tab.data))
   if result != nil and Contains(excluding, result.id): result = nil
 
-proc FirstIdentExcluding*(ti: var TIdentIter, tab: TStrTable, s: PIdent,
+proc firstIdentExcluding*(ti: var TIdentIter, tab: TStrTable, s: PIdent,
                           excluding: TIntSet): PSym = 
   ti.h = s.h
   ti.name = s
   if tab.Counter == 0: result = nil
   else: result = NextIdentExcluding(ti, tab, excluding)
 
-proc InitTabIter(ti: var TTabIter, tab: TStrTable): PSym = 
+proc initTabIter(ti: var TTabIter, tab: TStrTable): PSym = 
   ti.h = 0                    # we start by zero ...
   if tab.counter == 0: 
     result = nil              # FIX 1: removed endless loop
   else: 
     result = NextIter(ti, tab)
   
-proc NextIter(ti: var TTabIter, tab: TStrTable): PSym = 
+proc nextIter(ti: var TTabIter, tab: TStrTable): PSym = 
   result = nil
   while (ti.h <= high(tab.data)): 
     result = tab.data[ti.h]
-    Inc(ti.h)                 # ... and increment by one always
+    inc(ti.h)                 # ... and increment by one always
     if result != nil: break 
 
 iterator items*(tab: TStrTable): PSym = 
   var it: TTabIter
-  var s = InitTabIter(it, tab)
+  var s = initTabIter(it, tab)
   while s != nil: 
     yield s
-    s = NextIter(it, tab)
+    s = nextIter(it, tab)
 
 proc hasEmptySlot(data: TIdPairSeq): bool = 
   for h in countup(0, high(data)): 
@@ -694,7 +693,7 @@ proc hasEmptySlot(data: TIdPairSeq): bool =
       return true
   result = false
 
-proc IdTableRawGet(t: TIdTable, key: int): int = 
+proc idTableRawGet(t: TIdTable, key: int): int = 
   var h: THash
   h = key and high(t.data)    # start with real hash value
   while t.data[h].key != nil: 
@@ -703,18 +702,18 @@ proc IdTableRawGet(t: TIdTable, key: int): int =
     h = nextTry(h, high(t.data))
   result = - 1
 
-proc IdTableHasObjectAsKey(t: TIdTable, key: PIdObj): bool = 
-  var index = IdTableRawGet(t, key.id)
+proc idTableHasObjectAsKey(t: TIdTable, key: PIdObj): bool = 
+  var index = idTableRawGet(t, key.id)
   if index >= 0: result = t.data[index].key == key
   else: result = false
   
-proc IdTableGet(t: TIdTable, key: PIdObj): PObject = 
-  var index = IdTableRawGet(t, key.id)
+proc idTableGet(t: TIdTable, key: PIdObj): PObject = 
+  var index = idTableRawGet(t, key.id)
   if index >= 0: result = t.data[index].val
   else: result = nil
   
-proc IdTableGet(t: TIdTable, key: int): PObject = 
-  var index = IdTableRawGet(t, key)
+proc idTableGet(t: TIdTable, key: int): PObject = 
+  var index = idTableRawGet(t, key)
   if index >= 0: result = t.data[index].val
   else: result = nil
 
@@ -723,7 +722,7 @@ iterator pairs*(t: TIdTable): tuple[key: int, value: PObject] =
     if t.data[i].key != nil:
       yield (t.data[i].key.id, t.data[i].val)
   
-proc IdTableRawInsert(data: var TIdPairSeq, key: PIdObj, val: PObject) = 
+proc idTableRawInsert(data: var TIdPairSeq, key: PIdObj, val: PObject) = 
   var h: THash
   h = key.id and high(data)
   while data[h].key != nil: 
@@ -733,7 +732,7 @@ proc IdTableRawInsert(data: var TIdPairSeq, key: PIdObj, val: PObject) =
   data[h].key = key
   data[h].val = val
 
-proc IdTablePut(t: var TIdTable, key: PIdObj, val: PObject) = 
+proc idTablePut(t: var TIdTable, key: PIdObj, val: PObject) = 
   var 
     index: int
     n: TIdPairSeq
@@ -752,14 +751,11 @@ proc IdTablePut(t: var TIdTable, key: PIdObj, val: PObject) =
     IdTableRawInsert(t.data, key, val)
     inc(t.counter)
 
-iterator IdTablePairs*(t: TIdTable): tuple[key: PIdObj, val: PObject] =
+iterator idTablePairs*(t: TIdTable): tuple[key: PIdObj, val: PObject] =
   for i in 0 .. high(t.data):
     if not isNil(t.data[i].key): yield (t.data[i].key, t.data[i].val)
 
-proc writeIdNodeTable(t: TIdNodeTable) = 
-  nil
-
-proc IdNodeTableRawGet(t: TIdNodeTable, key: PIdObj): int = 
+proc idNodeTableRawGet(t: TIdNodeTable, key: PIdObj): int = 
   var h: THash
   h = key.id and high(t.data) # start with real hash value
   while t.data[h].key != nil:
@@ -768,17 +764,17 @@ proc IdNodeTableRawGet(t: TIdNodeTable, key: PIdObj): int =
     h = nextTry(h, high(t.data))
   result = - 1
 
-proc IdNodeTableGet(t: TIdNodeTable, key: PIdObj): PNode = 
+proc idNodeTableGet(t: TIdNodeTable, key: PIdObj): PNode = 
   var index: int
-  index = IdNodeTableRawGet(t, key)
+  index = idNodeTableRawGet(t, key)
   if index >= 0: result = t.data[index].val
   else: result = nil
 
-proc IdNodeTableGetLazy*(t: TIdNodeTable, key: PIdObj): PNode =
+proc idNodeTableGetLazy*(t: TIdNodeTable, key: PIdObj): PNode =
   if not isNil(t.data):
-    result = IdNodeTableGet(t, key)
+    result = idNodeTableGet(t, key)
   
-proc IdNodeTableRawInsert(data: var TIdNodePairSeq, key: PIdObj, val: PNode) = 
+proc idNodeTableRawInsert(data: var TIdNodePairSeq, key: PIdObj, val: PNode) = 
   var h: THash
   h = key.id and high(data)
   while data[h].key != nil: 
@@ -788,7 +784,7 @@ proc IdNodeTableRawInsert(data: var TIdNodePairSeq, key: PIdObj, val: PNode) =
   data[h].key = key
   data[h].val = val
 
-proc IdNodeTablePut(t: var TIdNodeTable, key: PIdObj, val: PNode) = 
+proc idNodeTablePut(t: var TIdNodeTable, key: PIdObj, val: PNode) = 
   var index = IdNodeTableRawGet(t, key)
   if index >= 0: 
     assert(t.data[index].key != nil)
@@ -799,14 +795,14 @@ proc IdNodeTablePut(t: var TIdNodeTable, key: PIdObj, val: PNode) =
       newSeq(n, len(t.data) * growthFactor)
       for i in countup(0, high(t.data)): 
         if t.data[i].key != nil: 
-          IdNodeTableRawInsert(n, t.data[i].key, t.data[i].val)
+          idNodeTableRawInsert(n, t.data[i].key, t.data[i].val)
       swap(t.data, n)
-    IdNodeTableRawInsert(t.data, key, val)
+    idNodeTableRawInsert(t.data, key, val)
     inc(t.counter)
 
-proc IdNodeTablePutLazy*(t: var TIdNodeTable, key: PIdObj, val: PNode) =
+proc idNodeTablePutLazy*(t: var TIdNodeTable, key: PIdObj, val: PNode) =
   if isNil(t.data): initIdNodeTable(t)
-  IdNodeTablePut(t, key, val)
+  idNodeTablePut(t, key, val)
 
 iterator pairs*(t: TIdNodeTable): tuple[key: PIdObj, val: PNode] =
   for i in 0 .. high(t.data):
@@ -817,21 +813,20 @@ proc initIITable(x: var TIITable) =
   newSeq(x.data, startSize)
   for i in countup(0, startSize - 1): x.data[i].key = InvalidKey
   
-proc IITableRawGet(t: TIITable, key: int): int = 
+proc iiTableRawGet(t: TIITable, key: int): int = 
   var h: THash
   h = key and high(t.data)    # start with real hash value
   while t.data[h].key != InvalidKey: 
-    if (t.data[h].key == key): 
-      return h
+    if t.data[h].key == key: return h
     h = nextTry(h, high(t.data))
-  result = - 1
+  result = -1
 
-proc IITableGet(t: TIITable, key: int): int = 
-  var index = IITableRawGet(t, key)
+proc iiTableGet(t: TIITable, key: int): int = 
+  var index = iiTableRawGet(t, key)
   if index >= 0: result = t.data[index].val
   else: result = InvalidKey
   
-proc IITableRawInsert(data: var TIIPairSeq, key, val: int) = 
+proc iiTableRawInsert(data: var TIIPairSeq, key, val: int) = 
   var h: THash
   h = key and high(data)
   while data[h].key != InvalidKey: 
@@ -841,7 +836,7 @@ proc IITableRawInsert(data: var TIIPairSeq, key, val: int) =
   data[h].key = key
   data[h].val = val
 
-proc IITablePut(t: var TIITable, key, val: int) = 
+proc iiTablePut(t: var TIITable, key, val: int) = 
   var index = IITableRawGet(t, key)
   if index >= 0: 
     assert(t.data[index].key != InvalidKey)
@@ -853,7 +848,7 @@ proc IITablePut(t: var TIITable, key, val: int) =
       for i in countup(0, high(n)): n[i].key = InvalidKey
       for i in countup(0, high(t.data)): 
         if t.data[i].key != InvalidKey: 
-          IITableRawInsert(n, t.data[i].key, t.data[i].val)
+          iiTableRawInsert(n, t.data[i].key, t.data[i].val)
       swap(t.data, n)
-    IITableRawInsert(t.data, key, val)
+    iiTableRawInsert(t.data, key, val)
     inc(t.counter)
diff --git a/compiler/bitsets.nim b/compiler/bitsets.nim
index dfb23b06d..740bdd5ef 100644
--- a/compiler/bitsets.nim
+++ b/compiler/bitsets.nim
@@ -18,53 +18,53 @@ type
 const 
   ElemSize* = sizeof(int8) * 8
 
-proc BitSetInit*(b: var TBitSet, length: int)
-proc BitSetUnion*(x: var TBitSet, y: TBitSet)
-proc BitSetDiff*(x: var TBitSet, y: TBitSet)
-proc BitSetSymDiff*(x: var TBitSet, y: TBitSet)
-proc BitSetIntersect*(x: var TBitSet, y: TBitSet)
-proc BitSetIncl*(x: var TBitSet, elem: BiggestInt)
-proc BitSetExcl*(x: var TBitSet, elem: BiggestInt)
-proc BitSetIn*(x: TBitSet, e: BiggestInt): bool
-proc BitSetEquals*(x, y: TBitSet): bool
-proc BitSetContains*(x, y: TBitSet): bool
+proc bitSetInit*(b: var TBitSet, length: int)
+proc bitSetUnion*(x: var TBitSet, y: TBitSet)
+proc bitSetDiff*(x: var TBitSet, y: TBitSet)
+proc bitSetSymDiff*(x: var TBitSet, y: TBitSet)
+proc bitSetIntersect*(x: var TBitSet, y: TBitSet)
+proc bitSetIncl*(x: var TBitSet, elem: BiggestInt)
+proc bitSetExcl*(x: var TBitSet, elem: BiggestInt)
+proc bitSetIn*(x: TBitSet, e: BiggestInt): bool
+proc bitSetEquals*(x, y: TBitSet): bool
+proc bitSetContains*(x, y: TBitSet): bool
 # implementation
 
-proc BitSetIn(x: TBitSet, e: BiggestInt): bool = 
+proc bitSetIn(x: TBitSet, e: BiggestInt): bool = 
   result = (x[int(e div ElemSize)] and toU8(int(1 shl (e mod ElemSize)))) !=
       toU8(0)
 
-proc BitSetIncl(x: var TBitSet, elem: BiggestInt) = 
+proc bitSetIncl(x: var TBitSet, elem: BiggestInt) = 
   assert(elem >= 0)
   x[int(elem div ElemSize)] = x[int(elem div ElemSize)] or
       toU8(int(1 shl (elem mod ElemSize)))
 
-proc BitSetExcl(x: var TBitSet, elem: BiggestInt) = 
+proc bitSetExcl(x: var TBitSet, elem: BiggestInt) = 
   x[int(elem div ElemSize)] = x[int(elem div ElemSize)] and
       not toU8(int(1 shl (elem mod ElemSize)))
 
-proc BitSetInit(b: var TBitSet, length: int) = 
+proc bitSetInit(b: var TBitSet, length: int) = 
   newSeq(b, length)
 
-proc BitSetUnion(x: var TBitSet, y: TBitSet) = 
+proc bitSetUnion(x: var TBitSet, y: TBitSet) = 
   for i in countup(0, high(x)): x[i] = x[i] or y[i]
   
-proc BitSetDiff(x: var TBitSet, y: TBitSet) = 
+proc bitSetDiff(x: var TBitSet, y: TBitSet) = 
   for i in countup(0, high(x)): x[i] = x[i] and not y[i]
   
-proc BitSetSymDiff(x: var TBitSet, y: TBitSet) = 
+proc bitSetSymDiff(x: var TBitSet, y: TBitSet) = 
   for i in countup(0, high(x)): x[i] = x[i] xor y[i]
   
-proc BitSetIntersect(x: var TBitSet, y: TBitSet) = 
+proc bitSetIntersect(x: var TBitSet, y: TBitSet) = 
   for i in countup(0, high(x)): x[i] = x[i] and y[i]
   
-proc BitSetEquals(x, y: TBitSet): bool = 
+proc bitSetEquals(x, y: TBitSet): bool = 
   for i in countup(0, high(x)): 
     if x[i] != y[i]: 
       return false
   result = true
 
-proc BitSetContains(x, y: TBitSet): bool = 
+proc bitSetContains(x, y: TBitSet): bool = 
   for i in countup(0, high(x)): 
     if (x[i] and not y[i]) != int8(0): 
       return false
diff --git a/compiler/ccgexprs.nim b/compiler/ccgexprs.nim
index 873c61ed4..a9097a264 100644
--- a/compiler/ccgexprs.nim
+++ b/compiler/ccgexprs.nim
@@ -1669,14 +1669,14 @@ proc genTupleConstr(p: BProc, n: PNode, d: var TLoc) =
                       [rdLoc(d), mangleRecFieldName(t.n.sons[i].sym, t)])
         expr(p, it, rec)
 
-proc IsConstClosure(n: PNode): bool {.inline.} =
+proc isConstClosure(n: PNode): bool {.inline.} =
   result = n.sons[0].kind == nkSym and isRoutine(n.sons[0].sym) and
       n.sons[1].kind == nkNilLit
       
 proc genClosure(p: BProc, n: PNode, d: var TLoc) =
   assert n.kind == nkClosure
   
-  if IsConstClosure(n):
+  if isConstClosure(n):
     inc(p.labels)
     var tmp = con("LOC", toRope(p.labels))
     appf(p.module.s[cfsData], "NIM_CONST $1 $2 = $3;$n",
diff --git a/compiler/ccgmerge.nim b/compiler/ccgmerge.nim
index c6c294b97..de207c532 100644
--- a/compiler/ccgmerge.nim
+++ b/compiler/ccgmerge.nim
@@ -208,7 +208,7 @@ proc readKey(L: var TBaseLexer, result: var string) =
   if buf[pos] != ':': internalError("ccgmerge: ':' expected")
   L.bufpos = pos + 1 # skip ':'
 
-proc NewFakeType(id: int): PType = 
+proc newFakeType(id: int): PType = 
   new(result)
   result.id = id
 
@@ -323,4 +323,3 @@ proc mergeFiles*(cfilename: string, m: BModule) =
     m.s[i] = con(old.f[i], m.s[i])
   for i in low(TCProcSection)..high(TCProcSection):
     m.initProc.s(i) = con(old.p[i], m.initProc.s(i))
-
diff --git a/compiler/ccgstmts.nim b/compiler/ccgstmts.nim
index d9e6d83d0..9b56556fc 100644
--- a/compiler/ccgstmts.nim
+++ b/compiler/ccgstmts.nim
@@ -232,11 +232,11 @@ proc genIf(p: BProc, n: PNode, d: var TLoc) =
   #  Lend:
   var
     a: TLoc
-    Lelse: TLabel
+    lelse: TLabel
   if not isEmptyType(n.typ) and d.k == locNone:
     getTemp(p, n.typ, d)
   genLineDir(p, n)
-  let Lend = getLabel(p)
+  let lend = getLabel(p)
   for i in countup(0, sonsLen(n) - 1): 
     let it = n.sons[i]
     if it.len == 2: 
@@ -251,14 +251,14 @@ proc genIf(p: BProc, n: PNode, d: var TLoc) =
       expr(p, it.sons[1], d)
       endBlock(p)
       if sonsLen(n) > 1:
-        lineFF(p, cpsStmts, "goto $1;$n", "br label %$1$n", [Lend])
+        lineFF(p, cpsStmts, "goto $1;$n", "br label %$1$n", [lend])
       fixLabel(p, Lelse)
     elif it.len == 1:
       startBlock(p)
       expr(p, it.sons[0], d)
       endBlock(p)
     else: internalError(n.info, "genIf()")
-  if sonsLen(n) > 1: fixLabel(p, Lend)
+  if sonsLen(n) > 1: fixLabel(p, lend)
 
 proc blockLeaveActions(p: BProc, howMany: int) = 
   var L = p.nestedTryStmts.len
@@ -367,7 +367,7 @@ proc genWhileStmt(p: BProc, t: PNode) =
   # significantly worse code
   var 
     a: TLoc
-    Labl: TLabel
+    labl: TLabel
   assert(sonsLen(t) == 2)
   inc(p.withinLoop)
   genLineDir(p, t)
@@ -499,16 +499,16 @@ proc genCaseGenericBranch(p: BProc, b: PNode, e: TLoc,
 
 proc genCaseSecondPass(p: BProc, t: PNode, d: var TLoc, 
                        labId, until: int): TLabel = 
-  var Lend = getLabel(p)
+  var lend = getLabel(p)
   for i in 1..until:
     lineF(p, cpsStmts, "LA$1: ;$n", [toRope(labId + i)])
     if t.sons[i].kind == nkOfBranch:
       var length = sonsLen(t.sons[i])
       exprBlock(p, t.sons[i].sons[length - 1], d)
-      lineF(p, cpsStmts, "goto $1;$n", [Lend])
+      lineF(p, cpsStmts, "goto $1;$n", [lend])
     else:
       exprBlock(p, t.sons[i].sons[0], d)
-  result = Lend
+  result = lend
 
 proc genIfForCaseUntil(p: BProc, t: PNode, d: var TLoc,
                        rangeFormat, eqFormat: TFormatStr,
@@ -535,8 +535,8 @@ proc genCaseGeneric(p: BProc, t: PNode, d: var TLoc,
                     rangeFormat, eqFormat: TFormatStr) = 
   var a: TLoc
   initLocExpr(p, t.sons[0], a)
-  var Lend = genIfForCaseUntil(p, t, d, rangeFormat, eqFormat, sonsLen(t)-1, a)
-  fixLabel(p, Lend)
+  var lend = genIfForCaseUntil(p, t, d, rangeFormat, eqFormat, sonsLen(t)-1, a)
+  fixLabel(p, lend)
 
 proc genCaseStringBranch(p: BProc, b: PNode, e: TLoc, labl: TLabel, 
                          branches: var openArray[PRope]) = 
@@ -580,8 +580,8 @@ proc genStringCase(p: BProc, t: PNode, d: var TLoc) =
     if t.sons[sonsLen(t)-1].kind != nkOfBranch: 
       lineF(p, cpsStmts, "goto LA$1;$n", [toRope(p.labels)]) 
     # third pass: generate statements
-    var Lend = genCaseSecondPass(p, t, d, labId, sonsLen(t)-1)
-    fixLabel(p, Lend)
+    var lend = genCaseSecondPass(p, t, d, labId, sonsLen(t)-1)
+    fixLabel(p, lend)
   else:
     genCaseGeneric(p, t, d, "", "if (#eqStrings($1, $2)) goto $3;$n")
   
@@ -592,7 +592,7 @@ proc branchHasTooBigRange(b: PNode): bool =
         b.sons[i].sons[1].intVal - b.sons[i].sons[0].intVal > RangeExpandLimit: 
       return true
 
-proc IfSwitchSplitPoint(p: BProc, n: PNode): int =
+proc ifSwitchSplitPoint(p: BProc, n: PNode): int =
   for i in 1..n.len-1:
     var branch = n[i]
     var stmtBlock = lastSon(branch)
@@ -625,7 +625,7 @@ proc genOrdinalCase(p: BProc, n: PNode, d: var TLoc) =
   # generate if part (might be empty):
   var a: TLoc
   initLocExpr(p, n.sons[0], a)
-  var Lend = if splitPoint > 0: genIfForCaseUntil(p, n, d,
+  var lend = if splitPoint > 0: genIfForCaseUntil(p, n, d,
                     rangeFormat = "if ($1 >= $2 && $1 <= $3) goto $4;$n",
                     eqFormat = "if ($1 == $2) goto $3;$n", 
                     splitPoint, a) else: nil
@@ -647,7 +647,7 @@ proc genOrdinalCase(p: BProc, n: PNode, d: var TLoc) =
     if (hasAssume in CC[ccompiler].props) and not hasDefault: 
       lineF(p, cpsStmts, "default: __assume(0);$n")
     lineF(p, cpsStmts, "}$n")
-  if Lend != nil: fixLabel(p, Lend)
+  if lend != nil: fixLabel(p, lend)
   
 proc genCase(p: BProc, t: PNode, d: var TLoc) = 
   genLineDir(p, t)
@@ -928,7 +928,7 @@ proc genPragma(p: BProc, n: PNode) =
       p.module.injectStmt = p.s(cpsStmts)
     else: discard
 
-proc FieldDiscriminantCheckNeeded(p: BProc, asgn: PNode): bool = 
+proc fieldDiscriminantCheckNeeded(p: BProc, asgn: PNode): bool = 
   if optFieldCheck in p.options:
     var le = asgn.sons[0]
     if le.kind == nkCheckedFieldExpr:
diff --git a/compiler/ccgthreadvars.nim b/compiler/ccgthreadvars.nim
index d312ea027..ee01972fc 100644
--- a/compiler/ccgthreadvars.nim
+++ b/compiler/ccgthreadvars.nim
@@ -17,7 +17,7 @@ proc emulatedThreadVars(): bool =
 
 proc accessThreadLocalVar(p: BProc, s: PSym) =
   if emulatedThreadVars() and not p.ThreadVarAccessed:
-    p.ThreadVarAccessed = true
+    p.threadVarAccessed = true
     p.module.usesThreadVars = true
     appf(p.procSec(cpsLocals), "\tNimThreadVars* NimTV;$n")
     app(p.procSec(cpsInit),
@@ -55,7 +55,7 @@ proc generateThreadLocalStorage(m: BModule) =
     for t in items(nimtvDeps): discard getTypeDesc(m, t)
     appf(m.s[cfsSeqTypes], "typedef struct {$1} NimThreadVars;$n", [nimtv])
 
-proc GenerateThreadVarsSize(m: BModule) =
+proc generateThreadVarsSize(m: BModule) =
   if nimtv != nil:
     app(m.s[cfsProcs], 
       "NI NimThreadVarsSize(){return (NI)sizeof(NimThreadVars);}" & tnl)
diff --git a/compiler/ccgtypes.nim b/compiler/ccgtypes.nim
index 4548ac641..66441af5e 100644
--- a/compiler/ccgtypes.nim
+++ b/compiler/ccgtypes.nim
@@ -229,11 +229,11 @@ const
     "stdcall $1", "ccc $1", "safecall $1", "syscall $1", "$1 alwaysinline", 
     "$1 noinline", "fastcc $1", "ccc $1", "$1"]
 
-proc CacheGetType(tab: TIdTable, key: PType): PRope = 
+proc cacheGetType(tab: TIdTable, key: PType): PRope = 
   # returns nil if we need to declare this type
   # since types are now unique via the ``GetUniqueType`` mechanism, this slow
   # linear search is not necessary anymore:
-  result = PRope(IdTableGet(tab, key))
+  result = PRope(idTableGet(tab, key))
 
 proc getTempName(): PRope = 
   result = rfmt(nil, "TMP$1", toRope(backendId()))
@@ -952,4 +952,4 @@ proc genTypeInfo(m: BModule, t: PType): PRope =
   result = con("(&".toRope, result, ")".toRope)
 
 proc genTypeSection(m: BModule, n: PNode) = 
-  nil
+  discard
diff --git a/compiler/ccgutils.nim b/compiler/ccgutils.nim
index 310f7204a..accb7a261 100644
--- a/compiler/ccgutils.nim
+++ b/compiler/ccgutils.nim
@@ -22,7 +22,7 @@ proc getPragmaStmt*(n: PNode, w: TSpecialWord): PNode =
   of nkPragma:
     for i in 0 .. < n.len: 
       if whichPragma(n[i]) == w: return n[i]
-  else: nil
+  else: discard
 
 proc stmtsContainPragma*(n: PNode, w: TSpecialWord): bool =
   result = getPragmaStmt(n, w) != nil
@@ -70,7 +70,7 @@ when false:
     for i in countup(low(TTypeKind), high(TTypeKind)): 
       echo i, " ", gTypeTable[i].counter
   
-proc GetUniqueType*(key: PType): PType = 
+proc getUniqueType*(key: PType): PType = 
   # this is a hotspot in the compiler!
   if key == nil: return 
   var k = key.kind
@@ -87,11 +87,11 @@ proc GetUniqueType*(key: PType): PType =
       gCanonicalTypes[k] = key
       result = key
   of tyTypeDesc, tyTypeClasses:
-    InternalError("value expected, but got a type")
+    internalError("value expected, but got a type")
   of tyGenericParam:
-    InternalError("GetUniqueType")
+    internalError("GetUniqueType")
   of tyGenericInst, tyDistinct, tyOrdinal, tyMutable, tyConst, tyIter:
-    result = GetUniqueType(lastSon(key))
+    result = getUniqueType(lastSon(key))
   of tyArrayConstr, tyGenericInvokation, tyGenericBody,
      tyOpenArray, tyArray, tySet, tyRange, tyTuple,
      tyPtr, tyRef, tySequence, tyForward, tyVarargs, tyProxy, tyVar:
@@ -102,33 +102,33 @@ proc GetUniqueType*(key: PType): PType =
 
     # we have to do a slow linear search because types may need
     # to be compared by their structure:
-    if IdTableHasObjectAsKey(gTypeTable[k], key): return key 
+    if idTableHasObjectAsKey(gTypeTable[k], key): return key 
     for h in countup(0, high(gTypeTable[k].data)): 
       var t = PType(gTypeTable[k].data[h].key)
       if t != nil and sameBackendType(t, key): 
         return t
-    IdTablePut(gTypeTable[k], key, key)
+    idTablePut(gTypeTable[k], key, key)
     result = key
   of tyObject:
     if tfFromGeneric notin key.flags:
       # fast case; lookup per id suffices:
-      result = PType(IdTableGet(gTypeTable[k], key))
+      result = PType(idTableGet(gTypeTable[k], key))
       if result == nil: 
-        IdTablePut(gTypeTable[k], key, key)
+        idTablePut(gTypeTable[k], key, key)
         result = key
     else:
       # ugly slow case: need to compare by structure
-      if IdTableHasObjectAsKey(gTypeTable[k], key): return key
+      if idTableHasObjectAsKey(gTypeTable[k], key): return key
       for h in countup(0, high(gTypeTable[k].data)): 
         var t = PType(gTypeTable[k].data[h].key)
         if t != nil and sameType(t, key): 
           return t
-      IdTablePut(gTypeTable[k], key, key)
+      idTablePut(gTypeTable[k], key, key)
       result = key
   of tyEnum:
-    result = PType(IdTableGet(gTypeTable[k], key))
+    result = PType(idTableGet(gTypeTable[k], key))
     if result == nil: 
-      IdTablePut(gTypeTable[k], key, key)
+      idTablePut(gTypeTable[k], key, key)
       result = key
   of tyProc:
     # tyVar is not 100% correct, but would speeds things up a little:
@@ -136,17 +136,17 @@ proc GetUniqueType*(key: PType): PType =
       result = key
     else:
       # ugh, we need the canon here:
-      if IdTableHasObjectAsKey(gTypeTable[k], key): return key 
+      if idTableHasObjectAsKey(gTypeTable[k], key): return key 
       for h in countup(0, high(gTypeTable[k].data)): 
         var t = PType(gTypeTable[k].data[h].key)
         if t != nil and sameBackendType(t, key): 
           return t
-      IdTablePut(gTypeTable[k], key, key)
+      idTablePut(gTypeTable[k], key, key)
       result = key
       
-proc TableGetType*(tab: TIdTable, key: PType): PObject = 
+proc tableGetType*(tab: TIdTable, key: PType): PObject = 
   # returns nil if we need to declare this type
-  result = IdTableGet(tab, key)
+  result = idTableGet(tab, key)
   if (result == nil) and (tab.counter > 0): 
     # we have to do a slow linear search because types may need
     # to be compared by their structure:
@@ -178,4 +178,4 @@ proc makeLLVMString*(s: string): PRope =
   add(res, "\\00\"")
   app(result, toRope(res))
 
-InitTypeTables()
+initTypeTables()
diff --git a/compiler/cgen.nim b/compiler/cgen.nim
index 6ccef5fde..ad1dfa89e 100644
--- a/compiler/cgen.nim
+++ b/compiler/cgen.nim
@@ -513,7 +513,7 @@ proc assignLocalVar(p: BProc, s: PSym) =
 
 include ccgthreadvars
 
-proc VarInDynamicLib(m: BModule, sym: PSym)
+proc varInDynamicLib(m: BModule, sym: PSym)
 proc mangleDynLibProc(sym: PSym): PRope
 
 proc assignGlobalVar(p: BProc, s: PSym) = 
@@ -641,7 +641,7 @@ proc mangleDynLibProc(sym: PSym): PRope =
   else:
     result = ropef("Dl_$1", [toRope(sym.id)])
   
-proc SymInDynamicLib(m: BModule, sym: PSym) = 
+proc symInDynamicLib(m: BModule, sym: PSym) = 
   var lib = sym.annex
   let isCall = isGetProcAddr(lib)
   var extname = sym.loc.r
@@ -682,7 +682,7 @@ proc SymInDynamicLib(m: BModule, sym: PSym) =
       "$1 = linkonce global $2 zeroinitializer$n", 
       [sym.loc.r, getTypeDesc(m, sym.loc.t)])
 
-proc VarInDynamicLib(m: BModule, sym: PSym) = 
+proc varInDynamicLib(m: BModule, sym: PSym) = 
   var lib = sym.annex
   var extname = sym.loc.r
   loadDynamicLib(m, lib)
@@ -697,7 +697,7 @@ proc VarInDynamicLib(m: BModule, sym: PSym) =
   appf(m.s[cfsVars], "$2* $1;$n",
       [sym.loc.r, getTypeDesc(m, sym.loc.t)])
 
-proc SymInDynamicLibPartial(m: BModule, sym: PSym) =
+proc symInDynamicLibPartial(m: BModule, sym: PSym) =
   sym.loc.r = mangleDynLibProc(sym)
   sym.typ.sym = nil           # generate a new name
 
diff --git a/compiler/cgmeth.nim b/compiler/cgmeth.nim
index 33bb94b38..3467fea7e 100644
--- a/compiler/cgmeth.nim
+++ b/compiler/cgmeth.nim
@@ -126,14 +126,14 @@ proc cmpSignatures(a, b: PSym, relevantCols: TIntSet): int =
   
 proc sortBucket(a: var TSymSeq, relevantCols: TIntSet) = 
   # we use shellsort here; fast and simple
-  var N = len(a)
+  var n = len(a)
   var h = 1
   while true: 
     h = 3 * h + 1
-    if h > N: break 
+    if h > n: break 
   while true: 
     h = h div 3
-    for i in countup(h, N - 1): 
+    for i in countup(h, n - 1): 
       var v = a[i]
       var j = i
       while cmpSignatures(a[j - h], v, relevantCols) >= 0: 
diff --git a/compiler/commands.nim b/compiler/commands.nim
index a02728dac..e67b0d422 100644
--- a/compiler/commands.nim
+++ b/compiler/commands.nim
@@ -21,7 +21,7 @@ type
     passCmd2,                 # second pass over the command line
     passPP                    # preprocessor called ProcessCommand()
 
-proc ProcessCommand*(switch: string, pass: TCmdLinePass)
+proc processCommand*(switch: string, pass: TCmdLinePass)
 proc processSwitch*(switch, arg: string, pass: TCmdlinePass, info: TLineInfo)
 
 # implementation
@@ -38,21 +38,21 @@ proc getCommandLineDesc(): string =
   result = (HelpMessage % [VersionAsString, platform.os[platform.hostOS].name, 
                            cpu[platform.hostCPU].name]) & Usage
 
-proc HelpOnError(pass: TCmdLinePass) = 
+proc helpOnError(pass: TCmdLinePass) = 
   if pass == passCmd1:
-    MsgWriteln(getCommandLineDesc())
+    msgWriteln(getCommandLineDesc())
     quit(0)
 
 proc writeAdvancedUsage(pass: TCmdLinePass) = 
   if pass == passCmd1:
-    MsgWriteln(`%`(HelpMessage, [VersionAsString, 
+    msgWriteln(`%`(HelpMessage, [VersionAsString, 
                                  platform.os[platform.hostOS].name, 
                                  cpu[platform.hostCPU].name]) & AdvancedUsage)
     quit(0)
 
 proc writeVersionInfo(pass: TCmdLinePass) = 
   if pass == passCmd1:
-    MsgWriteln(`%`(HelpMessage, [VersionAsString, 
+    msgWriteln(`%`(HelpMessage, [VersionAsString, 
                                  platform.os[platform.hostOS].name, 
                                  cpu[platform.hostCPU].name]))
     quit(0)
@@ -62,16 +62,16 @@ var
 
 proc writeCommandLineUsage() = 
   if not helpWritten: 
-    MsgWriteln(getCommandLineDesc())
+    msgWriteln(getCommandLineDesc())
     helpWritten = true
 
 proc addPrefix(switch: string): string =
   if len(switch) == 1: result = "-" & switch
   else: result = "--" & switch
 
-proc InvalidCmdLineOption(pass: TCmdLinePass, switch: string, info: TLineInfo) = 
-  if switch == " ": LocalError(info, errInvalidCmdLineOption, "-")
-  else: LocalError(info, errInvalidCmdLineOption, addPrefix(switch))
+proc invalidCmdLineOption(pass: TCmdLinePass, switch: string, info: TLineInfo) = 
+  if switch == " ": localError(info, errInvalidCmdLineOption, "-")
+  else: localError(info, errInvalidCmdLineOption, addPrefix(switch))
 
 proc splitSwitch(switch: string, cmd, arg: var string, pass: TCmdLinePass, 
                  info: TLineInfo) = 
@@ -86,29 +86,29 @@ proc splitSwitch(switch: string, cmd, arg: var string, pass: TCmdLinePass,
     inc(i)
   if i >= len(switch): arg = ""
   elif switch[i] in {':', '=', '['}: arg = substr(switch, i + 1)
-  else: InvalidCmdLineOption(pass, switch, info)
+  else: invalidCmdLineOption(pass, switch, info)
   
-proc ProcessOnOffSwitch(op: TOptions, arg: string, pass: TCmdlinePass, 
+proc processOnOffSwitch(op: TOptions, arg: string, pass: TCmdlinePass, 
                         info: TLineInfo) = 
   case whichKeyword(arg)
   of wOn: gOptions = gOptions + op
   of wOff: gOptions = gOptions - op
-  else: LocalError(info, errOnOrOffExpectedButXFound, arg)
+  else: localError(info, errOnOrOffExpectedButXFound, arg)
   
-proc ProcessOnOffSwitchG(op: TGlobalOptions, arg: string, pass: TCmdlinePass, 
+proc processOnOffSwitchG(op: TGlobalOptions, arg: string, pass: TCmdlinePass, 
                          info: TLineInfo) = 
   case whichKeyword(arg)
   of wOn: gGlobalOptions = gGlobalOptions + op
   of wOff: gGlobalOptions = gGlobalOptions - op
-  else: LocalError(info, errOnOrOffExpectedButXFound, arg)
+  else: localError(info, errOnOrOffExpectedButXFound, arg)
   
-proc ExpectArg(switch, arg: string, pass: TCmdLinePass, info: TLineInfo) = 
-  if arg == "": LocalError(info, errCmdLineArgExpected, addPrefix(switch))
+proc expectArg(switch, arg: string, pass: TCmdLinePass, info: TLineInfo) = 
+  if arg == "": localError(info, errCmdLineArgExpected, addPrefix(switch))
   
-proc ExpectNoArg(switch, arg: string, pass: TCmdLinePass, info: TLineInfo) = 
-  if arg != "": LocalError(info, errCmdLineNoArgExpected, addPrefix(switch))
+proc expectNoArg(switch, arg: string, pass: TCmdLinePass, info: TLineInfo) = 
+  if arg != "": localError(info, errCmdLineNoArgExpected, addPrefix(switch))
   
-proc ProcessSpecificNote(arg: string, state: TSpecialWord, pass: TCmdlinePass, 
+proc processSpecificNote(arg: string, state: TSpecialWord, pass: TCmdlinePass, 
                          info: TLineInfo) = 
   var id = ""  # arg = "X]:on|off"
   var i = 0
@@ -117,21 +117,21 @@ proc ProcessSpecificNote(arg: string, state: TSpecialWord, pass: TCmdlinePass,
     add(id, arg[i])
     inc(i)
   if i < len(arg) and (arg[i] == ']'): inc(i)
-  else: InvalidCmdLineOption(pass, arg, info)
+  else: invalidCmdLineOption(pass, arg, info)
   if i < len(arg) and (arg[i] in {':', '='}): inc(i)
-  else: InvalidCmdLineOption(pass, arg, info)
+  else: invalidCmdLineOption(pass, arg, info)
   if state == wHint: 
     var x = findStr(msgs.HintsToStr, id)
     if x >= 0: n = TNoteKind(x + ord(hintMin))
-    else: InvalidCmdLineOption(pass, arg, info)
+    else: invalidCmdLineOption(pass, arg, info)
   else: 
     var x = findStr(msgs.WarningsToStr, id)
     if x >= 0: n = TNoteKind(x + ord(warnMin))
-    else: InvalidCmdLineOption(pass, arg, info)
+    else: invalidCmdLineOption(pass, arg, info)
   case whichKeyword(substr(arg, i))
   of wOn: incl(gNotes, n)
   of wOff: excl(gNotes, n)
-  else: LocalError(info, errOnOrOffExpectedButXFound, arg)
+  else: localError(info, errOnOrOffExpectedButXFound, arg)
 
 proc processCompile(filename: string) = 
   var found = findFile(filename)
@@ -150,14 +150,14 @@ proc testCompileOptionArg*(switch, arg: string, info: TLineInfo): bool =
     of "markandsweep": result = gSelectedGC == gcMarkAndSweep
     of "generational": result = gSelectedGC == gcGenerational
     of "none":         result = gSelectedGC == gcNone
-    else: LocalError(info, errNoneBoehmRefcExpectedButXFound, arg)
+    else: localError(info, errNoneBoehmRefcExpectedButXFound, arg)
   of "opt":
     case arg.normalize
     of "speed": result = contains(gOptions, optOptimizeSpeed)
     of "size": result = contains(gOptions, optOptimizeSize)
     of "none": result = gOptions * {optOptimizeSpeed, optOptimizeSize} == {}
-    else: LocalError(info, errNoneSpeedOrSizeExpectedButXFound, arg)
-  else: InvalidCmdLineOption(passCmd1, switch, info)
+    else: localError(info, errNoneSpeedOrSizeExpectedButXFound, arg)
+  else: invalidCmdLineOption(passCmd1, switch, info)
 
 proc testCompileOption*(switch: string, info: TLineInfo): bool = 
   case switch.normalize
@@ -194,7 +194,7 @@ proc testCompileOption*(switch: string, info: TLineInfo): bool =
   of "tlsemulation": result = contains(gGlobalOptions, optTlsEmulation)
   of "implicitstatic": result = contains(gOptions, optImplicitStatic)
   of "patterns": result = contains(gOptions, optPatterns)
-  else: InvalidCmdLineOption(passCmd1, switch, info)
+  else: invalidCmdLineOption(passCmd1, switch, info)
   
 proc processPath(path: string, notRelativeToProj = false): string =
   let p = if notRelativeToProj or os.isAbsolute(path) or
@@ -202,20 +202,20 @@ proc processPath(path: string, notRelativeToProj = false): string =
             path 
           else:
             options.gProjectPath / path
-  result = UnixToNativePath(p % ["nimrod", getPrefixDir(), "lib", libpath,
+  result = unixToNativePath(p % ["nimrod", getPrefixDir(), "lib", libpath,
     "home", removeTrailingDirSep(os.getHomeDir()),
     "projectname", options.gProjectName,
     "projectpath", options.gProjectPath])
 
 proc trackDirty(arg: string, info: TLineInfo) =
   var a = arg.split(',')
-  if a.len != 4: LocalError(info, errTokenExpected,
+  if a.len != 4: localError(info, errTokenExpected,
                             "DIRTY_BUFFER,ORIGINAL_FILE,LINE,COLUMN")
   var line, column: int
   if parseUtils.parseInt(a[2], line) <= 0:
-    LocalError(info, errInvalidNumber, a[1])
+    localError(info, errInvalidNumber, a[1])
   if parseUtils.parseInt(a[3], column) <= 0:
-    LocalError(info, errInvalidNumber, a[2])
+    localError(info, errInvalidNumber, a[2])
   
   gDirtyBufferIdx = a[0].fileInfoIdx
   gDirtyOriginalIdx = a[1].fileInfoIdx
@@ -225,12 +225,12 @@ proc trackDirty(arg: string, info: TLineInfo) =
 
 proc track(arg: string, info: TLineInfo) = 
   var a = arg.split(',')
-  if a.len != 3: LocalError(info, errTokenExpected, "FILE,LINE,COLUMN")
+  if a.len != 3: localError(info, errTokenExpected, "FILE,LINE,COLUMN")
   var line, column: int
   if parseUtils.parseInt(a[1], line) <= 0:
-    LocalError(info, errInvalidNumber, a[1])
+    localError(info, errInvalidNumber, a[1])
   if parseUtils.parseInt(a[2], column) <= 0:
-    LocalError(info, errInvalidNumber, a[2])
+    localError(info, errInvalidNumber, a[2])
   optTrackPos = newLineInfo(a[0], line, column)
   msgs.addCheckpoint(optTrackPos)
 
@@ -305,7 +305,7 @@ proc processSwitch(switch, arg: string, pass: TCmdlinePass, info: TLineInfo) =
     case arg.normalize
     of "boehm": 
       gSelectedGC = gcBoehm
-      DefineSymbol("boehmgc")
+      defineSymbol("boehmgc")
     of "refc":
       gSelectedGC = gcRefc
     of "v2":
@@ -319,8 +319,8 @@ proc processSwitch(switch, arg: string, pass: TCmdlinePass, info: TLineInfo) =
     of "none":
       gSelectedGC = gcNone
       defineSymbol("nogc")
-    else: LocalError(info, errNoneBoehmRefcExpectedButXFound, arg)
-  of "warnings", "w": ProcessOnOffSwitch({optWarns}, arg, pass, info)
+    else: localError(info, errNoneBoehmRefcExpectedButXFound, arg)
+  of "warnings", "w": processOnOffSwitch({optWarns}, arg, pass, info)
   of "warning": ProcessSpecificNote(arg, wWarning, pass, info)
   of "hint": ProcessSpecificNote(arg, wHint, pass, info)
   of "hints": ProcessOnOffSwitch({optHints}, arg, pass, info)
@@ -517,13 +517,13 @@ proc processSwitch(switch, arg: string, pass: TCmdlinePass, info: TLineInfo) =
     case arg
     of "partial": idents.firstCharIsCS = true
     of "none": idents.firstCharIsCS = false
-    else: LocalError(info, errGenerated,
+    else: localError(info, errGenerated,
       "'partial' or 'none' expected, but found " & arg)
   else:
     if strutils.find(switch, '.') >= 0: options.setConfigVar(switch, arg)
-    else: InvalidCmdLineOption(pass, switch, info)
+    else: invalidCmdLineOption(pass, switch, info)
   
-proc ProcessCommand(switch: string, pass: TCmdLinePass) =
+proc processCommand(switch: string, pass: TCmdLinePass) =
   var cmd, arg: string
   splitSwitch(switch, cmd, arg, pass, gCmdLineInfo)
   processSwitch(cmd, arg, pass, gCmdLineInfo)
diff --git a/compiler/condsyms.nim b/compiler/condsyms.nim
index 21095072b..71dce9529 100644
--- a/compiler/condsyms.nim
+++ b/compiler/condsyms.nim
@@ -16,10 +16,10 @@ import
 # to be style insensitive. Otherwise hell would break lose.
 var gSymbols: PStringTable
 
-proc DefineSymbol*(symbol: string) = 
+proc defineSymbol*(symbol: string) = 
   gSymbols[symbol] = "true"
 
-proc UndefSymbol*(symbol: string) = 
+proc undefSymbol*(symbol: string) = 
   gSymbols[symbol] = "false"
 
 proc isDefined*(symbol: string): bool = 
@@ -37,52 +37,52 @@ proc countDefinedSymbols*(): int =
   for key, val in pairs(gSymbols):
     if val == "true": inc(result)
 
-proc InitDefines*() = 
+proc initDefines*() = 
   gSymbols = newStringTable(modeStyleInsensitive)
-  DefineSymbol("nimrod") # 'nimrod' is always defined
+  defineSymbol("nimrod") # 'nimrod' is always defined
   # for bootstrapping purposes and old code:
-  DefineSymbol("nimhygiene")
-  DefineSymbol("niminheritable")
-  DefineSymbol("nimmixin")
-  DefineSymbol("nimeffects")
-  DefineSymbol("nimbabel")
-  DefineSymbol("nimcomputedgoto")
+  defineSymbol("nimhygiene")
+  defineSymbol("niminheritable")
+  defineSymbol("nimmixin")
+  defineSymbol("nimeffects")
+  defineSymbol("nimbabel")
+  defineSymbol("nimcomputedgoto")
   
   # add platform specific symbols:
   case targetCPU
-  of cpuI386: DefineSymbol("x86")
-  of cpuIa64: DefineSymbol("itanium")
-  of cpuAmd64: DefineSymbol("x8664")
+  of cpuI386: defineSymbol("x86")
+  of cpuIa64: defineSymbol("itanium")
+  of cpuAmd64: defineSymbol("x8664")
   else: discard
   case targetOS
   of osDOS: 
-    DefineSymbol("msdos")
+    defineSymbol("msdos")
   of osWindows: 
-    DefineSymbol("mswindows")
-    DefineSymbol("win32")
+    defineSymbol("mswindows")
+    defineSymbol("win32")
   of osLinux, osMorphOS, osSkyOS, osIrix, osPalmOS, osQNX, osAtari, osAix, 
      osHaiku:
     # these are all 'unix-like'
-    DefineSymbol("unix")
-    DefineSymbol("posix")
+    defineSymbol("unix")
+    defineSymbol("posix")
   of osSolaris: 
-    DefineSymbol("sunos")
-    DefineSymbol("unix")
-    DefineSymbol("posix")
+    defineSymbol("sunos")
+    defineSymbol("unix")
+    defineSymbol("posix")
   of osNetBSD, osFreeBSD, osOpenBSD: 
-    DefineSymbol("unix")
-    DefineSymbol("bsd")
-    DefineSymbol("posix")
+    defineSymbol("unix")
+    defineSymbol("bsd")
+    defineSymbol("posix")
   of osMacOS: 
-    DefineSymbol("macintosh")
+    defineSymbol("macintosh")
   of osMacOSX: 
-    DefineSymbol("macintosh")
-    DefineSymbol("unix")
+    defineSymbol("macintosh")
+    defineSymbol("unix")
     DefineSymbol("posix")
   else: discard
-  DefineSymbol("cpu" & $cpu[targetCPU].bit)
-  DefineSymbol(normalize(endianToStr[cpu[targetCPU].endian]))
-  DefineSymbol(cpu[targetCPU].name)
-  DefineSymbol(platform.os[targetOS].name)
+  defineSymbol("cpu" & $cpu[targetCPU].bit)
+  defineSymbol(normalize(endianToStr[cpu[targetCPU].endian]))
+  defineSymbol(cpu[targetCPU].name)
+  defineSymbol(platform.os[targetOS].name)
   if platform.OS[targetOS].props.contains(ospLacksThreadVars):
-    DefineSymbol("emulatedthreadvars")
+    defineSymbol("emulatedthreadvars")
diff --git a/compiler/docgen.nim b/compiler/docgen.nim
index d44018a2b..018dcd270 100644
--- a/compiler/docgen.nim
+++ b/compiler/docgen.nim
@@ -313,7 +313,7 @@ proc generateDoc*(d: PDoc, n: PNode) =
   of nkImportStmt:
     for i in 0 .. sonsLen(n)-1: traceDeps(d, n.sons[i])
   of nkFromStmt, nkImportExceptStmt: traceDeps(d, n.sons[0])
-  else: nil
+  else: discard
 
 proc generateJson(d: PDoc, n: PNode, jArray: PJsonNode = nil): PJsonNode =
   case n.kind
@@ -355,7 +355,7 @@ proc generateJson(d: PDoc, n: PNode, jArray: PJsonNode = nil): PJsonNode =
     # generate documentation for the first branch only:
     if not checkForFalse(n.sons[0].sons[0]) and jArray != nil:
       discard generateJson(d, lastSon(n.sons[0]), jArray)
-  else: nil
+  else: discard
 
 proc genSection(d: PDoc, kind: TSymKind) =
   const sectionNames: array[skModule..skTemplate, string] = [
@@ -417,7 +417,7 @@ proc writeOutput*(d: PDoc, filename, outExt: string, useWarning = false) =
   else:
     writeRope(content, getOutFile(filename, outExt), useWarning)
 
-proc CommandDoc*() =
+proc commandDoc*() =
   var ast = parseFile(gProjectMainIdx)
   if ast == nil: return
   var d = newDocumentor(gProjectFull, options.gConfigVars)
@@ -426,7 +426,7 @@ proc CommandDoc*() =
   writeOutput(d, gProjectFull, HtmlExt)
   generateIndex(d)
 
-proc CommandRstAux(filename, outExt: string) =
+proc commandRstAux(filename, outExt: string) =
   var filen = addFileExt(filename, "txt")
   var d = newDocumentor(filen, options.gConfigVars)
   var rst = parseRst(readFile(filen), filen, 0, 1, d.hasToc,
@@ -439,14 +439,14 @@ proc CommandRstAux(filename, outExt: string) =
   writeOutput(d, filename, outExt)
   generateIndex(d)
 
-proc CommandRst2Html*() =
-  CommandRstAux(gProjectFull, HtmlExt)
+proc commandRst2Html*() =
+  commandRstAux(gProjectFull, HtmlExt)
 
-proc CommandRst2TeX*() =
+proc commandRst2TeX*() =
   splitter = "\\-"
-  CommandRstAux(gProjectFull, TexExt)
+  commandRstAux(gProjectFull, TexExt)
 
-proc CommandJSON*() =
+proc commandJSON*() =
   var ast = parseFile(gProjectMainIdx)
   if ast == nil: return
   var d = newDocumentor(gProjectFull, options.gConfigVars)
@@ -460,7 +460,7 @@ proc CommandJSON*() =
     echo getOutFile(gProjectFull, JsonExt)
     writeRope(content, getOutFile(gProjectFull, JsonExt), useWarning = false)
 
-proc CommandBuildIndex*() =
+proc commandBuildIndex*() =
   var content = mergeIndexes(gProjectFull).toRope
 
   let code = ropeFormatNamedVars(getConfigVar("doc.file"), ["title",
diff --git a/compiler/extccomp.nim b/compiler/extccomp.nim
index d3b3cee75..629cf95eb 100644
--- a/compiler/extccomp.nim
+++ b/compiler/extccomp.nim
@@ -324,7 +324,7 @@ var
   compileOptions: string = ""
   ccompilerpath: string = ""
 
-proc NameToCC*(name: string): TSystemCC = 
+proc nameToCC*(name: string): TSystemCC = 
   for i in countup(succ(ccNone), high(TSystemCC)): 
     if cmpIgnoreStyle(name, CC[i].name) == 0: 
       return i
@@ -405,7 +405,7 @@ proc execExternalProgram*(cmd: string) =
 
 proc generateScript(projectFile: string, script: PRope) = 
   let (dir, name, ext) = splitFile(projectFile)
-  WriteRope(script, dir / addFileExt("compile_" & name, 
+  writeRope(script, dir / addFileExt("compile_" & name, 
                                      platform.os[targetOS].scriptExt))
 
 proc getOptSpeed(c: TSystemCC): string = 
@@ -439,7 +439,7 @@ var fileCounter: int
 proc add(s: var string, many: openarray[string]) =
   s.add many.join
 
-proc CFileSpecificOptions(cfilename: string): string =
+proc cFileSpecificOptions(cfilename: string): string =
   result = compileOptions
   var trunk = splitFile(cfilename).name
   if optCDebug in gGlobalOptions: 
@@ -541,7 +541,7 @@ proc addExternalFileToCompile*(filename: string) =
   if optForceFullMake in gGlobalOptions or externalFileChanged(filename):
     appendStr(externalToCompile, filename)
 
-proc CompileCFile(list: TLinkedList, script: var PRope, cmds: var TStringSeq, 
+proc compileCFile(list: TLinkedList, script: var PRope, cmds: var TStringSeq, 
                   isExternal: bool) = 
   var it = PStrEntry(list.head)
   while it != nil: 
@@ -554,7 +554,7 @@ proc CompileCFile(list: TLinkedList, script: var PRope, cmds: var TStringSeq,
       app(script, tnl)
     it = PStrEntry(it.next)
 
-proc CallCCompiler*(projectfile: string) =
+proc callCCompiler*(projectfile: string) =
   var 
     linkCmd, buildgui, builddll: string
   if gGlobalOptions * {optCompileOnly, optGenScript} == {optCompileOnly}: 
@@ -564,8 +564,8 @@ proc CallCCompiler*(projectfile: string) =
   var c = ccompiler
   var script: PRope = nil
   var cmds: TStringSeq = @[]
-  CompileCFile(toCompile, script, cmds, false)
-  CompileCFile(externalToCompile, script, cmds, true)
+  compileCFile(toCompile, script, cmds, false)
+  compileCFile(externalToCompile, script, cmds, true)
   if optCompileOnly notin gGlobalOptions: 
     if gNumberOfProcessors == 0: gNumberOfProcessors = countProcessors()
     var res = 0
@@ -640,7 +640,7 @@ proc CallCCompiler*(projectfile: string) =
 proc genMappingFiles(list: TLinkedList): PRope = 
   var it = PStrEntry(list.head)
   while it != nil: 
-    appf(result, "--file:r\"$1\"$N", [toRope(AddFileExt(it.data, cExt))])
+    appf(result, "--file:r\"$1\"$N", [toRope(addFileExt(it.data, cExt))])
     it = PStrEntry(it.next)
 
 proc writeMapping*(gSymbolMapping: PRope) = 
@@ -658,5 +658,5 @@ proc writeMapping*(gSymbolMapping: PRope) =
   app(code, strutils.escape(libpath))
   
   appf(code, "\n[Symbols]$n$1", [gSymbolMapping])
-  WriteRope(code, joinPath(gProjectPath, "mapping.txt"))
+  writeRope(code, joinPath(gProjectPath, "mapping.txt"))
   
diff --git a/compiler/idents.nim b/compiler/idents.nim
index 1e6f9d2fd..ec903826a 100644
--- a/compiler/idents.nim
+++ b/compiler/idents.nim
@@ -102,7 +102,7 @@ proc getIdent*(identifier: string): PIdent =
 proc getIdent*(identifier: string, h: THash): PIdent = 
   result = getIdent(cstring(identifier), len(identifier), h)
 
-proc IdentEq*(id: PIdent, name: string): bool = 
+proc identEq*(id: PIdent, name: string): bool = 
   result = id.id == getIdent(name).id
 
 var idAnon* = getIdent":anonymous"
diff --git a/compiler/idgen.nim b/compiler/idgen.nim
index fbf450c90..f47e2e3b6 100644
--- a/compiler/idgen.nim
+++ b/compiler/idgen.nim
@@ -23,8 +23,8 @@ when debugIds:
 
 proc registerID*(id: PIdObj) = 
   when debugIDs: 
-    if id.id == -1 or ContainsOrIncl(usedIds, id.id): 
-      InternalError("ID already used: " & $id.id)
+    if id.id == -1 or containsOrIncl(usedIds, id.id): 
+      internalError("ID already used: " & $id.id)
 
 proc getID*(): int {.inline.} = 
   result = gFrontEndId
@@ -37,7 +37,7 @@ proc backendId*(): int {.inline.} =
 proc setId*(id: int) {.inline.} = 
   gFrontEndId = max(gFrontEndId, id + 1)
 
-proc IDsynchronizationPoint*(idRange: int) = 
+proc idSynchronizationPoint*(idRange: int) = 
   gFrontEndId = (gFrontEndId div IdRange + 1) * IdRange + 1
 
 proc toGid(f: string): string =
diff --git a/compiler/lexer.nim b/compiler/lexer.nim
index eb9287dfe..7410f7ec5 100644
--- a/compiler/lexer.nim
+++ b/compiler/lexer.nim
@@ -132,7 +132,7 @@ proc getLineInfo*(L: TLexer, tok: TToken): TLineInfo {.inline.} =
   newLineInfo(L.fileIdx, tok.line, tok.col)
 
 proc closeLexer*(lex: var TLexer)
-proc PrintTok*(tok: TToken)
+proc printTok*(tok: TToken)
 proc tokToStr*(tok: TToken): string
 
 proc openLexer*(lex: var TLexer, filename: string, inputstream: PLLStream) =
@@ -172,7 +172,7 @@ proc prettyTok*(tok: TToken): string =
   if IsKeyword(tok.tokType): result = "keyword " & tok.ident.s
   else: result = tokToStr(tok)
   
-proc PrintTok*(tok: TToken) = 
+proc printTok*(tok: TToken) = 
   write(stdout, TokTypeToStr[tok.tokType])
   write(stdout, " ")
   writeln(stdout, tokToStr(tok))
@@ -246,7 +246,7 @@ proc isFloatLiteral(s: string): bool =
       return true
   result = false
 
-proc GetNumber(L: var TLexer): TToken = 
+proc getNumber(L: var TLexer): TToken = 
   var 
     pos, endpos: int
     xi: biggestInt
@@ -499,7 +499,7 @@ proc newString(s: cstring, len: int): string =
   for i in 0 .. <len:
     result[i] = s[i]
 
-proc HandleCRLF(L: var TLexer, pos: int): int =
+proc handleCRLF(L: var TLexer, pos: int): int =
   template registerLine =
     let col = L.getColNumber(pos)
     
diff --git a/compiler/lists.nim b/compiler/lists.nim
index 22b1a183a..70e177ba3 100644
--- a/compiler/lists.nim
+++ b/compiler/lists.nim
@@ -24,12 +24,12 @@ type
 
   TCompareProc* = proc (entry: PListEntry, closure: Pointer): bool {.nimcall.}
 
-proc InitLinkedList*(list: var TLinkedList) = 
+proc initLinkedList*(list: var TLinkedList) = 
   list.Counter = 0
   list.head = nil
   list.tail = nil
 
-proc Append*(list: var TLinkedList, entry: PListEntry) = 
+proc append*(list: var TLinkedList, entry: PListEntry) = 
   Inc(list.counter)
   entry.next = nil
   entry.prev = list.tail
@@ -39,7 +39,7 @@ proc Append*(list: var TLinkedList, entry: PListEntry) =
   list.tail = entry
   if list.head == nil: list.head = entry
   
-proc Contains*(list: TLinkedList, data: string): bool = 
+proc contains*(list: TLinkedList, data: string): bool = 
   var it = list.head
   while it != nil: 
     if PStrEntry(it).data == data: 
@@ -50,14 +50,14 @@ proc newStrEntry(data: string): PStrEntry =
   new(result)
   result.data = data
 
-proc AppendStr*(list: var TLinkedList, data: string) = 
+proc appendStr*(list: var TLinkedList, data: string) = 
   append(list, newStrEntry(data))
 
-proc IncludeStr*(list: var TLinkedList, data: string): bool = 
+proc includeStr*(list: var TLinkedList, data: string): bool = 
   if Contains(list, data): return true
   AppendStr(list, data)       # else: add to list
 
-proc Prepend*(list: var TLinkedList, entry: PListEntry) = 
+proc prepend*(list: var TLinkedList, entry: PListEntry) = 
   Inc(list.counter)
   entry.prev = nil
   entry.next = list.head
@@ -67,10 +67,10 @@ proc Prepend*(list: var TLinkedList, entry: PListEntry) =
   list.head = entry
   if list.tail == nil: list.tail = entry
 
-proc PrependStr*(list: var TLinkedList, data: string) = 
+proc prependStr*(list: var TLinkedList, data: string) = 
   prepend(list, newStrEntry(data))
 
-proc InsertBefore*(list: var TLinkedList, pos, entry: PListEntry) = 
+proc insertBefore*(list: var TLinkedList, pos, entry: PListEntry) = 
   assert(pos != nil)
   if pos == list.head: 
     prepend(list, entry)
@@ -81,7 +81,7 @@ proc InsertBefore*(list: var TLinkedList, pos, entry: PListEntry) =
     if pos.prev != nil: pos.prev.next = entry
     pos.prev = entry
  
-proc Remove*(list: var TLinkedList, entry: PListEntry) = 
+proc remove*(list: var TLinkedList, entry: PListEntry) = 
   Dec(list.counter)
   if entry == list.tail: 
     list.tail = entry.prev
@@ -103,14 +103,14 @@ proc bringToFront*(list: var TLinkedList, entry: PListEntry) =
     entry.next = list.head
     list.head = entry
 
-proc ExcludeStr*(list: var TLinkedList, data: string) =
+proc excludeStr*(list: var TLinkedList, data: string) =
   var it = list.head
   while it != nil:
     let nxt = it.next
     if PStrEntry(it).data == data: remove(list, it)
     it = nxt
 
-proc Find*(list: TLinkedList, fn: TCompareProc, closure: Pointer): PListEntry = 
+proc find*(list: TLinkedList, fn: TCompareProc, closure: Pointer): PListEntry = 
   result = list.head
   while result != nil:
     if fn(result, closure): return 
diff --git a/compiler/llstream.nim b/compiler/llstream.nim
index 8ccf24b99..68ad4d587 100644
--- a/compiler/llstream.nim
+++ b/compiler/llstream.nim
@@ -30,56 +30,56 @@ type
   
   PLLStream* = ref TLLStream
 
-proc LLStreamOpen*(data: string): PLLStream
-proc LLStreamOpen*(f: var tfile): PLLStream
-proc LLStreamOpen*(filename: string, mode: TFileMode): PLLStream
-proc LLStreamOpen*(): PLLStream
-proc LLStreamOpenStdIn*(): PLLStream
-proc LLStreamClose*(s: PLLStream)
-proc LLStreamRead*(s: PLLStream, buf: pointer, bufLen: int): int
-proc LLStreamReadLine*(s: PLLStream, line: var string): bool
-proc LLStreamReadAll*(s: PLLStream): string
-proc LLStreamWrite*(s: PLLStream, data: string)
-proc LLStreamWrite*(s: PLLStream, data: Char)
-proc LLStreamWrite*(s: PLLStream, buf: pointer, buflen: int)
-proc LLStreamWriteln*(s: PLLStream, data: string)
+proc llStreamOpen*(data: string): PLLStream
+proc llStreamOpen*(f: var tfile): PLLStream
+proc llStreamOpen*(filename: string, mode: TFileMode): PLLStream
+proc llStreamOpen*(): PLLStream
+proc llStreamOpenStdIn*(): PLLStream
+proc llStreamClose*(s: PLLStream)
+proc llStreamRead*(s: PLLStream, buf: pointer, bufLen: int): int
+proc llStreamReadLine*(s: PLLStream, line: var string): bool
+proc llStreamReadAll*(s: PLLStream): string
+proc llStreamWrite*(s: PLLStream, data: string)
+proc llStreamWrite*(s: PLLStream, data: Char)
+proc llStreamWrite*(s: PLLStream, buf: pointer, buflen: int)
+proc llStreamWriteln*(s: PLLStream, data: string)
 # implementation
 
-proc LLStreamOpen(data: string): PLLStream = 
+proc llStreamOpen(data: string): PLLStream = 
   new(result)
   result.s = data
   result.kind = llsString
 
-proc LLStreamOpen(f: var tfile): PLLStream = 
+proc llStreamOpen(f: var tfile): PLLStream = 
   new(result)
   result.f = f
   result.kind = llsFile
 
-proc LLStreamOpen(filename: string, mode: TFileMode): PLLStream = 
+proc llStreamOpen(filename: string, mode: TFileMode): PLLStream = 
   new(result)
   result.kind = llsFile
   if not open(result.f, filename, mode): result = nil
   
-proc LLStreamOpen(): PLLStream = 
+proc llStreamOpen(): PLLStream = 
   new(result)
   result.kind = llsNone
 
-proc LLStreamOpenStdIn(): PLLStream = 
+proc llStreamOpenStdIn(): PLLStream = 
   new(result)
   result.kind = llsStdIn
   result.s = ""
   result.lineOffset = -1
 
-proc LLStreamClose(s: PLLStream) = 
+proc llStreamClose(s: PLLStream) = 
   case s.kind
   of llsNone, llsString, llsStdIn: 
-    nil
+    discard
   of llsFile: 
     close(s.f)
 
-when not defined(ReadLineFromStdin): 
+when not defined(readLineFromStdin): 
   # fallback implementation:
-  proc ReadLineFromStdin(prompt: string, line: var string): bool =
+  proc readLineFromStdin(prompt: string, line: var string): bool =
     stdout.write(prompt)
     result = readLine(stdin, line)
 
@@ -111,7 +111,7 @@ proc countTriples(s: string): int =
       inc i, 2
     inc i
 
-proc LLreadFromStdin(s: PLLStream, buf: pointer, bufLen: int): int =
+proc llReadFromStdin(s: PLLStream, buf: pointer, bufLen: int): int =
   s.s = ""
   s.rd = 0
   var line = newStringOfCap(120)
@@ -127,7 +127,7 @@ proc LLreadFromStdin(s: PLLStream, buf: pointer, bufLen: int): int =
     copyMem(buf, addr(s.s[s.rd]), result)
     inc(s.rd, result)
 
-proc LLStreamRead(s: PLLStream, buf: pointer, bufLen: int): int = 
+proc llStreamRead(s: PLLStream, buf: pointer, bufLen: int): int = 
   case s.kind
   of llsNone: 
     result = 0
@@ -141,7 +141,7 @@ proc LLStreamRead(s: PLLStream, buf: pointer, bufLen: int): int =
   of llsStdIn: 
     result = LLreadFromStdin(s, buf, bufLen)
   
-proc LLStreamReadLine(s: PLLStream, line: var string): bool =
+proc llStreamReadLine(s: PLLStream, line: var string): bool =
   setLen(line, 0)
   case s.kind
   of llsNone:
@@ -165,25 +165,25 @@ proc LLStreamReadLine(s: PLLStream, line: var string): bool =
   of llsStdIn:
     result = readLine(stdin, line)
     
-proc LLStreamWrite(s: PLLStream, data: string) = 
+proc llStreamWrite(s: PLLStream, data: string) = 
   case s.kind
   of llsNone, llsStdIn: 
-    nil
+    discard
   of llsString: 
     add(s.s, data)
     inc(s.wr, len(data))
   of llsFile: 
     write(s.f, data)
   
-proc LLStreamWriteln(s: PLLStream, data: string) = 
-  LLStreamWrite(s, data)
-  LLStreamWrite(s, "\n")
+proc llStreamWriteln(s: PLLStream, data: string) = 
+  llStreamWrite(s, data)
+  llStreamWrite(s, "\n")
 
-proc LLStreamWrite(s: PLLStream, data: Char) = 
+proc llStreamWrite(s: PLLStream, data: Char) = 
   var c: char
   case s.kind
   of llsNone, llsStdIn: 
-    nil
+    discard
   of llsString: 
     add(s.s, data)
     inc(s.wr)
@@ -191,10 +191,10 @@ proc LLStreamWrite(s: PLLStream, data: Char) =
     c = data
     discard writeBuffer(s.f, addr(c), sizeof(c))
 
-proc LLStreamWrite(s: PLLStream, buf: pointer, buflen: int) = 
+proc llStreamWrite(s: PLLStream, buf: pointer, buflen: int) = 
   case s.kind
   of llsNone, llsStdIn: 
-    nil
+    discard
   of llsString: 
     if bufLen > 0: 
       setlen(s.s, len(s.s) + bufLen)
@@ -203,10 +203,9 @@ proc LLStreamWrite(s: PLLStream, buf: pointer, buflen: int) =
   of llsFile: 
     discard writeBuffer(s.f, buf, bufLen)
   
-proc LLStreamReadAll(s: PLLStream): string = 
+proc llStreamReadAll(s: PLLStream): string = 
   const 
     bufSize = 2048
-  var bytes, i: int
   case s.kind
   of llsNone, llsStdIn: 
     result = ""
@@ -216,8 +215,8 @@ proc LLStreamReadAll(s: PLLStream): string =
     s.rd = len(s.s)
   of llsFile: 
     result = newString(bufSize)
-    bytes = readBuffer(s.f, addr(result[0]), bufSize)
-    i = bytes
+    var bytes = readBuffer(s.f, addr(result[0]), bufSize)
+    var i = bytes
     while bytes == bufSize: 
       setlen(result, i + bufSize)
       bytes = readBuffer(s.f, addr(result[i + 0]), bufSize)
diff --git a/compiler/lookups.nim b/compiler/lookups.nim
index 642243468..951998d15 100644
--- a/compiler/lookups.nim
+++ b/compiler/lookups.nim
@@ -21,7 +21,7 @@ proc considerAcc*(n: PNode): PIdent =
   of nkSym: result = n.sym.name
   of nkAccQuoted:
     case n.len
-    of 0: GlobalError(n.info, errIdentifierExpected, renderTree(n))
+    of 0: globalError(n.info, errIdentifierExpected, renderTree(n))
     of 1: result = considerAcc(n.sons[0])
     else:
       var id = ""
@@ -30,16 +30,16 @@ proc considerAcc*(n: PNode): PIdent =
         case x.kind
         of nkIdent: id.add(x.ident.s)
         of nkSym: id.add(x.sym.name.s)
-        else: GlobalError(n.info, errIdentifierExpected, renderTree(n))
+        else: globalError(n.info, errIdentifierExpected, renderTree(n))
       result = getIdent(id)
   else:
-    GlobalError(n.info, errIdentifierExpected, renderTree(n))
+    globalError(n.info, errIdentifierExpected, renderTree(n))
  
 template addSym*(scope: PScope, s: PSym) =
-  StrTableAdd(scope.symbols, s)
+  strTableAdd(scope.symbols, s)
 
 proc addUniqueSym*(scope: PScope, s: PSym): TResult =
-  if StrTableIncl(scope.symbols, s):
+  if strTableIncl(scope.symbols, s):
     result = Failure
   else:
     result = Success
@@ -64,17 +64,17 @@ iterator walkScopes*(scope: PScope): PScope =
     current = current.parent
 
 proc localSearchInScope*(c: PContext, s: PIdent): PSym =
-  result = StrTableGet(c.currentScope.symbols, s)
+  result = strTableGet(c.currentScope.symbols, s)
 
 proc searchInScopes*(c: PContext, s: PIdent): PSym =
   for scope in walkScopes(c.currentScope):
-    result = StrTableGet(scope.symbols, s)
+    result = strTableGet(scope.symbols, s)
     if result != nil: return
   result = nil
 
 proc searchInScopes*(c: PContext, s: PIdent, filter: TSymKinds): PSym =
   for scope in walkScopes(c.currentScope):
-    result = StrTableGet(scope.symbols, s)
+    result = strTableGet(scope.symbols, s)
     if result != nil and result.kind in filter: return
   result = nil
 
@@ -114,22 +114,22 @@ proc getSymRepr*(s: PSym): string =
 proc ensureNoMissingOrUnusedSymbols(scope: PScope) =
   # check if all symbols have been used and defined:
   var it: TTabIter
-  var s = InitTabIter(it, scope.symbols)
+  var s = initTabIter(it, scope.symbols)
   var missingImpls = 0
   while s != nil:
     if sfForward in s.flags:
       # too many 'implementation of X' errors are annoying
       # and slow 'suggest' down:
       if missingImpls == 0:
-        LocalError(s.info, errImplOfXexpected, getSymRepr(s))
+        localError(s.info, errImplOfXexpected, getSymRepr(s))
       inc missingImpls
     elif {sfUsed, sfExported} * s.flags == {} and optHints in s.options: 
       # BUGFIX: check options in s!
       if s.kind notin {skForVar, skParam, skMethod, skUnknown, skGenericParam}:
-        Message(s.info, hintXDeclaredButNotUsed, getSymRepr(s))
-    s = NextIter(it, scope.symbols)
+        message(s.info, hintXDeclaredButNotUsed, getSymRepr(s))
+    s = nextIter(it, scope.symbols)
   
-proc WrongRedefinition*(info: TLineInfo, s: string) =
+proc wrongRedefinition*(info: TLineInfo, s: string) =
   if gCmd != cmdInteractive:
     localError(info, errAttemptToRedefine, s)
   
@@ -144,7 +144,7 @@ proc addDeclAt*(scope: PScope, sym: PSym) =
   if scope.addUniqueSym(sym) == Failure:
     WrongRedefinition(sym.info, sym.Name.s)
 
-proc AddInterfaceDeclAux(c: PContext, sym: PSym) = 
+proc addInterfaceDeclAux(c: PContext, sym: PSym) = 
   if sfExported in sym.flags:
     # add to interface:
     if c.module != nil: StrTableAdd(c.module.tab, sym)
@@ -152,27 +152,27 @@ proc AddInterfaceDeclAux(c: PContext, sym: PSym) =
 
 proc addInterfaceDeclAt*(c: PContext, scope: PScope, sym: PSym) =
   addDeclAt(scope, sym)
-  AddInterfaceDeclAux(c, sym)
+  addInterfaceDeclAux(c, sym)
 
 proc addOverloadableSymAt*(scope: PScope, fn: PSym) =
   if fn.kind notin OverloadableSyms: 
-    InternalError(fn.info, "addOverloadableSymAt")
+    internalError(fn.info, "addOverloadableSymAt")
     return
   var check = StrTableGet(scope.symbols, fn.name)
   if check != nil and check.Kind notin OverloadableSyms: 
-    WrongRedefinition(fn.info, fn.Name.s)
+    wrongRedefinition(fn.info, fn.Name.s)
   else:
     scope.addSym(fn)
   
 proc addInterfaceDecl*(c: PContext, sym: PSym) = 
   # it adds the symbol to the interface if appropriate
   addDecl(c, sym)
-  AddInterfaceDeclAux(c, sym)
+  addInterfaceDeclAux(c, sym)
 
 proc addInterfaceOverloadableSymAt*(c: PContext, scope: PScope, sym: PSym) =
   # it adds the symbol to the interface if appropriate
   addOverloadableSymAt(scope, sym)
-  AddInterfaceDeclAux(c, sym)
+  addInterfaceDeclAux(c, sym)
 
 proc lookUp*(c: PContext, n: PNode): PSym = 
   # Looks up a symbol. Generates an error in case of nil.
@@ -180,7 +180,7 @@ proc lookUp*(c: PContext, n: PNode): PSym =
   of nkIdent:
     result = searchInScopes(c, n.ident)
     if result == nil: 
-      LocalError(n.info, errUndeclaredIdentifier, n.ident.s)
+      localError(n.info, errUndeclaredIdentifier, n.ident.s)
       result = errorSym(c, n)
   of nkSym:
     result = n.sym
@@ -188,34 +188,34 @@ proc lookUp*(c: PContext, n: PNode): PSym =
     var ident = considerAcc(n)
     result = searchInScopes(c, ident)
     if result == nil:
-      LocalError(n.info, errUndeclaredIdentifier, ident.s)
+      localError(n.info, errUndeclaredIdentifier, ident.s)
       result = errorSym(c, n)
   else:
-    InternalError(n.info, "lookUp")
+    internalError(n.info, "lookUp")
     return
-  if Contains(c.AmbiguousSymbols, result.id): 
-    LocalError(n.info, errUseQualifier, result.name.s)
+  if contains(c.AmbiguousSymbols, result.id): 
+    localError(n.info, errUseQualifier, result.name.s)
   if result.kind == skStub: loadStub(result)
   
 type 
   TLookupFlag* = enum 
     checkAmbiguity, checkUndeclared
 
-proc QualifiedLookUp*(c: PContext, n: PNode, flags = {checkUndeclared}): PSym = 
+proc qualifiedLookUp*(c: PContext, n: PNode, flags = {checkUndeclared}): PSym = 
   case n.kind
   of nkIdent, nkAccQuoted:
     var ident = considerAcc(n)
     result = searchInScopes(c, ident)
     if result == nil and checkUndeclared in flags: 
-      LocalError(n.info, errUndeclaredIdentifier, ident.s)
+      localError(n.info, errUndeclaredIdentifier, ident.s)
       result = errorSym(c, n)
     elif checkAmbiguity in flags and result != nil and 
-        Contains(c.AmbiguousSymbols, result.id): 
-      LocalError(n.info, errUseQualifier, ident.s)
+        contains(c.AmbiguousSymbols, result.id): 
+      localError(n.info, errUseQualifier, ident.s)
   of nkSym:
     result = n.sym
-    if checkAmbiguity in flags and Contains(c.AmbiguousSymbols, result.id): 
-      LocalError(n.info, errUseQualifier, n.sym.name.s)
+    if checkAmbiguity in flags and contains(c.AmbiguousSymbols, result.id): 
+      localError(n.info, errUseQualifier, n.sym.name.s)
   of nkDotExpr: 
     result = nil
     var m = qualifiedLookUp(c, n.sons[0], flags*{checkUndeclared})
@@ -227,31 +227,31 @@ proc QualifiedLookUp*(c: PContext, n: PNode, flags = {checkUndeclared}): PSym =
         ident = considerAcc(n.sons[1])
       if ident != nil: 
         if m == c.module: 
-          result = StrTableGet(c.topLevelScope.symbols, ident)
+          result = strTableGet(c.topLevelScope.symbols, ident)
         else: 
-          result = StrTableGet(m.tab, ident)
+          result = strTableGet(m.tab, ident)
         if result == nil and checkUndeclared in flags: 
-          LocalError(n.sons[1].info, errUndeclaredIdentifier, ident.s)
+          localError(n.sons[1].info, errUndeclaredIdentifier, ident.s)
           result = errorSym(c, n.sons[1])
       elif n.sons[1].kind == nkSym:
         result = n.sons[1].sym
       elif checkUndeclared in flags and
            n.sons[1].kind notin {nkOpenSymChoice, nkClosedSymChoice}:
-        LocalError(n.sons[1].info, errIdentifierExpected,
+        localError(n.sons[1].info, errIdentifierExpected,
                    renderTree(n.sons[1]))
         result = errorSym(c, n.sons[1])
   else:
     result = nil
   if result != nil and result.kind == skStub: loadStub(result)
   
-proc InitOverloadIter*(o: var TOverloadIter, c: PContext, n: PNode): PSym =
+proc initOverloadIter*(o: var TOverloadIter, c: PContext, n: PNode): PSym =
   case n.kind
   of nkIdent, nkAccQuoted:
     var ident = considerAcc(n)
     o.scope = c.currentScope
     o.mode = oimNoQualifier
     while true:
-      result = InitIdentIter(o.it, o.scope.symbols, ident)
+      result = initIdentIter(o.it, o.scope.symbols, ident)
       if result != nil:
         break
       else:
@@ -272,12 +272,12 @@ proc InitOverloadIter*(o: var TOverloadIter, c: PContext, n: PNode): PSym =
       if ident != nil: 
         if o.m == c.module: 
           # a module may access its private members:
-          result = InitIdentIter(o.it, c.topLevelScope.symbols, ident)
+          result = initIdentIter(o.it, c.topLevelScope.symbols, ident)
           o.mode = oimSelfModule
         else: 
           result = InitIdentIter(o.it, o.m.tab, ident)
       else: 
-        LocalError(n.sons[1].info, errIdentifierExpected, 
+        localError(n.sons[1].info, errIdentifierExpected, 
                    renderTree(n.sons[1]))
         result = errorSym(c, n.sons[1])
   of nkClosedSymChoice, nkOpenSymChoice:
@@ -285,7 +285,7 @@ proc InitOverloadIter*(o: var TOverloadIter, c: PContext, n: PNode): PSym =
     result = n.sons[0].sym
     o.symChoiceIndex = 1
     o.inSymChoice = initIntSet()
-    Incl(o.inSymChoice, result.id)
+    incl(o.inSymChoice, result.id)
   else: nil
   if result != nil and result.kind == skStub: loadStub(result)
 
@@ -306,7 +306,7 @@ proc nextOverloadIter*(o: var TOverloadIter, c: PContext, n: PNode): PSym =
       while result == nil:
         o.scope = o.scope.parent
         if o.scope == nil: break
-        result = InitIdentIter(o.it, o.scope.symbols, o.it.name)
+        result = initIdentIter(o.it, o.scope.symbols, o.it.name)
         # BUGFIX: o.it.name <-> n.ident
     else: 
       result = nil
@@ -323,19 +323,19 @@ proc nextOverloadIter*(o: var TOverloadIter, c: PContext, n: PNode): PSym =
       # try 'local' symbols too for Koenig's lookup:
       o.mode = oimSymChoiceLocalLookup
       o.scope = c.currentScope
-      result = FirstIdentExcluding(o.it, o.scope.symbols,
+      result = firstIdentExcluding(o.it, o.scope.symbols,
                                    n.sons[0].sym.name, o.inSymChoice)
       while result == nil:
         o.scope = o.scope.parent
         if o.scope == nil: break
-        result = FirstIdentExcluding(o.it, o.scope.symbols,
+        result = firstIdentExcluding(o.it, o.scope.symbols,
                                      n.sons[0].sym.name, o.inSymChoice)
   of oimSymChoiceLocalLookup:
     result = nextIdentExcluding(o.it, o.scope.symbols, o.inSymChoice)
     while result == nil:
       o.scope = o.scope.parent
       if o.scope == nil: break
-      result = FirstIdentExcluding(o.it, o.scope.symbols,
+      result = firstIdentExcluding(o.it, o.scope.symbols,
                                    n.sons[0].sym.name, o.inSymChoice)
   
   if result != nil and result.kind == skStub: loadStub(result)
diff --git a/compiler/magicsys.nim b/compiler/magicsys.nim
index 0c0b87222..066ccc6cd 100644
--- a/compiler/magicsys.nim
+++ b/compiler/magicsys.nim
@@ -12,14 +12,14 @@
 import 
   ast, astalgo, hashes, msgs, platform, nversion, times, idents, rodread
 
-var SystemModule*: PSym
+var systemModule*: PSym
 
 proc registerSysType*(t: PType)
   # magic symbols in the system module:
 proc getSysType*(kind: TTypeKind): PType
 proc getCompilerProc*(name: string): PSym
 proc registerCompilerProc*(s: PSym)
-proc FinishSystem*(tab: TStrTable)
+proc finishSystem*(tab: TStrTable)
 proc getSysSym*(name: string): PSym
 # implementation
 
@@ -126,7 +126,7 @@ proc skipIntLit*(t: PType): PType {.inline.} =
       return getSysType(t.kind)
   result = t
 
-proc AddSonSkipIntLit*(father, son: PType) =
+proc addSonSkipIntLit*(father, son: PType) =
   if isNil(father.sons): father.sons = @[]
   let s = son.skipIntLit
   add(father.sons, s)
@@ -158,13 +158,13 @@ proc setIntLitType*(result: PNode) =
       result.typ = getSysType(tyInt32)
     else:
       result.typ = getSysType(tyInt64)
-  else: InternalError(result.info, "invalid int size")
+  else: internalError(result.info, "invalid int size")
 
 proc getCompilerProc(name: string): PSym = 
   var ident = getIdent(name, hashIgnoreStyle(name))
-  result = StrTableGet(compilerprocs, ident)
+  result = strTableGet(compilerprocs, ident)
   if result == nil: 
-    result = StrTableGet(rodCompilerProcs, ident)
+    result = strTableGet(rodCompilerProcs, ident)
     if result != nil: 
       strTableAdd(compilerprocs, result)
       if result.kind == skStub: loadStub(result)
@@ -172,7 +172,6 @@ proc getCompilerProc(name: string): PSym =
 proc registerCompilerProc(s: PSym) = 
   strTableAdd(compilerprocs, s)
 
-proc FinishSystem(tab: TStrTable) = nil
-  
-initStrTable(compilerprocs)
+proc finishSystem(tab: TStrTable) = discard
 
+initStrTable(compilerprocs)
diff --git a/compiler/main.nim b/compiler/main.nim
index b91b596b0..3f8b6aeba 100644
--- a/compiler/main.nim
+++ b/compiler/main.nim
@@ -21,9 +21,9 @@ import
 from magicsys import SystemModule, resetSysTypes
 
 const
-  has_LLVM_Backend = false
+  hasLLVM_Backend = false
 
-when has_LLVM_Backend:
+when hasLLVM_Backend:
   import llvmgen
 
 proc rodPass =
@@ -37,7 +37,7 @@ proc semanticPasses =
   registerPass verbosePass
   registerPass semPass
 
-proc CommandGenDepend =
+proc commandGenDepend =
   semanticPasses()
   registerPass(genDependPass)
   registerPass(cleanupPass)
@@ -46,13 +46,13 @@ proc CommandGenDepend =
   execExternalProgram("dot -Tpng -o" & changeFileExt(gProjectFull, "png") &
       ' ' & changeFileExt(gProjectFull, "dot"))
 
-proc CommandCheck =
+proc commandCheck =
   msgs.gErrorMax = high(int)  # do not stop after first error
   semanticPasses()            # use an empty backend for semantic checking only
   rodPass()
   compileProject()
 
-proc CommandDoc2 =
+proc commandDoc2 =
   msgs.gErrorMax = high(int)  # do not stop after first error
   semanticPasses()
   registerPass(docgen2Pass)
@@ -60,7 +60,7 @@ proc CommandDoc2 =
   compileProject()
   finishDoc2Pass(gProjectName)
 
-proc CommandCompileToC =
+proc commandCompileToC =
   semanticPasses()
   registerPass(cgenPass)
   rodPass()
@@ -111,15 +111,15 @@ proc CommandCompileToC =
     ccgutils.resetCaches()
     GC_fullCollect()
 
-when has_LLVM_Backend:
-  proc CommandCompileToLLVM =
+when hasLLVM_Backend:
+  proc commandCompileToLLVM =
     semanticPasses()
     registerPass(llvmgen.llvmgenPass())
     rodPass()
     #registerPass(cleanupPass())
     compileProject()
 
-proc CommandCompileToJS =
+proc commandCompileToJS =
   #incl(gGlobalOptions, optSafeCode)
   setTarget(osJS, cpuJS)
   #initDefines()
@@ -130,7 +130,7 @@ proc CommandCompileToJS =
   registerPass(jsgenPass)
   compileProject()
 
-proc InteractivePasses =
+proc interactivePasses =
   #incl(gGlobalOptions, optSafeCode)
   #setTarget(osNimrodVM, cpuNimrodVM)
   initDefines()
@@ -140,7 +140,7 @@ proc InteractivePasses =
   registerPass(semPass)
   registerPass(evalPass)
 
-proc CommandInteractive =
+proc commandInteractive =
   msgs.gErrorMax = high(int)  # do not stop after first error
   InteractivePasses()
   compileSystemModule()
@@ -163,20 +163,20 @@ proc commandEval(exp: string) =
   var echoExp = "echo \"eval\\t\", " & "repr(" & exp & ")"
   evalNim(echoExp.parseString, makeStdinModule())
 
-proc CommandPrettyOld =
+proc commandPrettyOld =
   var projectFile = addFileExt(mainCommandArg(), NimExt)
   var module = parseFile(projectFile.fileInfoIdx)
   if module != nil:
     renderModule(module, getOutFile(mainCommandArg(), "pretty." & NimExt))
 
-proc CommandPretty =
+proc commandPretty =
   msgs.gErrorMax = high(int)  # do not stop after first error
   semanticPasses()
   registerPass(prettyPass)
   compileProject()
   pretty.overwriteFiles()
 
-proc CommandScan =
+proc commandScan =
   var f = addFileExt(mainCommandArg(), nimExt)
   var stream = LLStreamOpen(f, fmRead)
   if stream != nil:
@@ -193,7 +193,7 @@ proc CommandScan =
   else:
     rawMessage(errCannotOpenFile, f)
 
-proc CommandSuggest =
+proc commandSuggest =
   if isServing:
     # XXX: hacky work-around ahead
     # Currently, it's possible to issue a idetools command, before
@@ -286,7 +286,7 @@ const
   SimiluateCaasMemReset = false
   PrintRopeCacheStats = false
 
-proc MainCommand* =
+proc mainCommand* =
   when SimiluateCaasMemReset:
     gGlobalOptions.incl(optCaasEnabled)
 
diff --git a/compiler/modules.nim b/compiler/modules.nim
index ef6af3d69..15af40363 100644
--- a/compiler/modules.nim
+++ b/compiler/modules.nim
@@ -184,7 +184,7 @@ proc compileSystemModule* =
     SystemFileIdx = fileInfoIdx(options.libpath/"system.nim")
     discard CompileModule(SystemFileIdx, {sfSystemModule})
 
-proc CompileProject*(projectFile = gProjectMainIdx) =
+proc compileProject*(projectFile = gProjectMainIdx) =
   let systemFileIdx = fileInfoIdx(options.libpath / "system.nim")
   if projectFile == SystemFileIdx:
     discard CompileModule(projectFile, {sfMainModule, sfSystemModule})
diff --git a/compiler/msgs.nim b/compiler/msgs.nim
index 2a7d54d4e..44139b576 100644
--- a/compiler/msgs.nim
+++ b/compiler/msgs.nim
@@ -453,7 +453,7 @@ const
 var
   filenameToIndexTbl = initTable[string, int32]()
   fileInfos*: seq[TFileInfo] = @[]
-  SystemFileIdx*: int32
+  systemFileIdx*: int32
 
 proc toCChar*(c: Char): string = 
   case c
@@ -545,7 +545,7 @@ var
 when useCaas:
   var stdoutSocket*: TSocket
 
-proc UnknownLineInfo*(): TLineInfo =
+proc unknownLineInfo*(): TLineInfo =
   result.line = int16(-1)
   result.col = int16(-1)
   result.fileIndex = -1
@@ -560,7 +560,7 @@ var
 proc clearBufferedMsgs* =
   bufferedMsgs = nil
 
-proc SuggestWriteln*(s: string) =
+proc suggestWriteln*(s: string) =
   if eStdOut in errorOutputs:
     when useCaas:
       if isNil(stdoutSocket): Writeln(stdout, s)
@@ -573,7 +573,7 @@ proc SuggestWriteln*(s: string) =
   if eInMemory in errorOutputs:
     bufferedMsgs.safeAdd(s)
 
-proc SuggestQuit*() =
+proc suggestQuit*() =
   if not isServing:
     quit(0)
   elif isWorkingWithDirtyBuffer:
@@ -656,11 +656,11 @@ proc addCheckpoint*(info: TLineInfo) =
 proc addCheckpoint*(filename: string, line: int) = 
   addCheckpoint(newLineInfo(filename, line, - 1))
 
-proc OutWriteln*(s: string) = 
+proc outWriteln*(s: string) = 
   ## Writes to stdout. Always.
   if eStdOut in errorOutputs: Writeln(stdout, s)
  
-proc MsgWriteln*(s: string) = 
+proc msgWriteln*(s: string) = 
   ## Writes to stdout. If --stdout option is given, writes to stderr instead.
   if gCmd == cmdIdeTools and optCDebug notin gGlobalOptions: return
 
@@ -675,7 +675,7 @@ proc coordToStr(coord: int): string =
   if coord == -1: result = "???"
   else: result = $coord
   
-proc MsgKindToString*(kind: TMsgKind): string = 
+proc msgKindToString*(kind: TMsgKind): string = 
   # later versions may provide translated error messages
   result = msgKindToStr[kind]
 
@@ -724,7 +724,7 @@ proc writeContext(lastinfo: TLineInfo) =
   var info = lastInfo
   for i in countup(0, len(msgContext) - 1): 
     if msgContext[i] != lastInfo and msgContext[i] != info: 
-      MsgWriteln(posContextFormat % [toMsgFilename(msgContext[i]), 
+      msgWriteln(posContextFormat % [toMsgFilename(msgContext[i]), 
                                      coordToStr(msgContext[i].line), 
                                      coordToStr(msgContext[i].col), 
                                      getMessageStr(errInstantiationFrom, "")])
@@ -748,7 +748,7 @@ proc rawMessage*(msg: TMsgKind, args: openarray[string]) =
     frmt = rawHintFormat
     inc(gHintCounter)
   let s = `%`(frmt, `%`(msgKindToString(msg), args))
-  MsgWriteln(s)
+  msgWriteln(s)
   handleError(msg, doAbort, s)
 
 proc rawMessage*(msg: TMsgKind, arg: string) = 
@@ -756,8 +756,8 @@ proc rawMessage*(msg: TMsgKind, arg: string) =
 
 proc writeSurroundingSrc(info: TLineInfo) =
   const indent = "  "
-  MsgWriteln(indent & info.sourceLine.ropeToStr)
-  MsgWriteln(indent & repeatChar(info.col, ' ') & '^')
+  msgWriteln(indent & info.sourceLine.ropeToStr)
+  msgWriteln(indent & repeatChar(info.col, ' ') & '^')
 
 proc liMessage(info: TLineInfo, msg: TMsgKind, arg: string, 
                eh: TErrorHandling) =
@@ -783,45 +783,45 @@ proc liMessage(info: TLineInfo, msg: TMsgKind, arg: string,
   let s = frmt % [toMsgFilename(info), coordToStr(info.line),
                   coordToStr(info.col), getMessageStr(msg, arg)]
   if not ignoreMsg:
-    MsgWriteln(s)
+    msgWriteln(s)
     if optPrintSurroundingSrc and msg in errMin..errMax:
       info.writeSurroundingSrc
   handleError(msg, eh, s)
   
-proc Fatal*(info: TLineInfo, msg: TMsgKind, arg = "") = 
+proc fatal*(info: TLineInfo, msg: TMsgKind, arg = "") = 
   liMessage(info, msg, arg, doAbort)
 
-proc GlobalError*(info: TLineInfo, msg: TMsgKind, arg = "") = 
+proc globalError*(info: TLineInfo, msg: TMsgKind, arg = "") = 
   liMessage(info, msg, arg, doRaise)
 
-proc GlobalError*(info: TLineInfo, arg: string) =
+proc globalError*(info: TLineInfo, arg: string) =
   liMessage(info, errGenerated, arg, doRaise)
 
-proc LocalError*(info: TLineInfo, msg: TMsgKind, arg = "") =
+proc localError*(info: TLineInfo, msg: TMsgKind, arg = "") =
   liMessage(info, msg, arg, doNothing)
 
-proc LocalError*(info: TLineInfo, arg: string) =
+proc localError*(info: TLineInfo, arg: string) =
   liMessage(info, errGenerated, arg, doNothing)
 
-proc Message*(info: TLineInfo, msg: TMsgKind, arg = "") =
+proc message*(info: TLineInfo, msg: TMsgKind, arg = "") =
   liMessage(info, msg, arg, doNothing)
 
-proc InternalError*(info: TLineInfo, errMsg: string) = 
+proc internalError*(info: TLineInfo, errMsg: string) = 
   if gCmd == cmdIdeTools: return
   writeContext(info)
   liMessage(info, errInternal, errMsg, doAbort)
 
-proc InternalError*(errMsg: string) = 
+proc internalError*(errMsg: string) = 
   if gCmd == cmdIdeTools: return
   writeContext(UnknownLineInfo())
   rawMessage(errInternal, errMsg)
 
-template AssertNotNil*(e: expr): expr =
-  if e == nil: InternalError($InstantiationInfo())
+template assertNotNil*(e: expr): expr =
+  if e == nil: internalError($instantiationInfo())
   e
 
-template InternalAssert*(e: bool): stmt =
-  if not e: InternalError($InstantiationInfo())
+template internalAssert*(e: bool): stmt =
+  if not e: internalError($instantiationInfo())
 
 proc addSourceLine*(fileIdx: int32, line: string) =
   fileInfos[fileIdx].lines.add line.toRope
@@ -835,14 +835,14 @@ proc sourceLine*(i: TLineInfo): PRope =
         addSourceLine i.fileIndex, line.string
     except EIO:
       discard
-  InternalAssert i.fileIndex < fileInfos.len
+  internalAssert i.fileIndex < fileInfos.len
   # can happen if the error points to EOF:
   if i.line > fileInfos[i.fileIndex].lines.len: return nil
 
   result = fileInfos[i.fileIndex].lines[i.line-1]
 
 proc quotedFilename*(i: TLineInfo): PRope =
-  InternalAssert i.fileIndex >= 0
+  internalAssert i.fileIndex >= 0
   result = fileInfos[i.fileIndex].quotedName
 
 ropes.ErrorHandler = proc (err: TRopesError, msg: string, useWarning: bool) =
diff --git a/compiler/nimconf.nim b/compiler/nimconf.nim
index 7ec566a01..ae6487744 100644
--- a/compiler/nimconf.nim
+++ b/compiler/nimconf.nim
@@ -219,7 +219,7 @@ proc getSystemConfigPath(filename: string): string =
     if not existsFile(result): result = joinPath([p, "etc", filename])
     if not existsFile(result): result = "/etc/" & filename
 
-proc LoadConfigs*(cfg: string) =
+proc loadConfigs*(cfg: string) =
   # set default value (can be overwritten):
   if libpath == "": 
     # choose default libpath:
diff --git a/compiler/nimlexbase.nim b/compiler/nimlexbase.nim
index 6d45a825a..2e4f8dec7 100644
--- a/compiler/nimlexbase.nim
+++ b/compiler/nimlexbase.nim
@@ -54,11 +54,11 @@ proc openBaseLexer*(L: var TBaseLexer, inputstream: PLLStream,
 proc closeBaseLexer*(L: var TBaseLexer)
 proc getCurrentLine*(L: TBaseLexer, marker: bool = true): string
 proc getColNumber*(L: TBaseLexer, pos: int): int
-proc HandleCR*(L: var TBaseLexer, pos: int): int
+proc handleCR*(L: var TBaseLexer, pos: int): int
   # Call this if you scanned over CR in the buffer; it returns the
   # position to continue the scanning from. `pos` must be the position
   # of the CR.
-proc HandleLF*(L: var TBaseLexer, pos: int): int
+proc handleLF*(L: var TBaseLexer, pos: int): int
   # Call this if you scanned over LF in the buffer; it returns the the
   # position to continue the scanning from. `pos` must be the position
   # of the LF.
@@ -71,7 +71,7 @@ proc closeBaseLexer(L: var TBaseLexer) =
   dealloc(L.buf)
   LLStreamClose(L.stream)
 
-proc FillBuffer(L: var TBaseLexer) = 
+proc fillBuffer(L: var TBaseLexer) = 
   var 
     charsRead, toCopy, s: int # all are in characters,
                               # not bytes (in case this
@@ -126,20 +126,20 @@ proc fillBaseLexer(L: var TBaseLexer, pos: int): int =
     result = 0
   L.lineStart = result
 
-proc HandleCR(L: var TBaseLexer, pos: int): int = 
+proc handleCR(L: var TBaseLexer, pos: int): int = 
   assert(L.buf[pos] == CR)
   inc(L.linenumber)
   result = fillBaseLexer(L, pos)
   if L.buf[result] == LF: 
     result = fillBaseLexer(L, result)
 
-proc HandleLF(L: var TBaseLexer, pos: int): int = 
+proc handleLF(L: var TBaseLexer, pos: int): int = 
   assert(L.buf[pos] == LF)
   inc(L.linenumber)
   result = fillBaseLexer(L, pos) #L.lastNL := result-1; // BUGFIX: was: result;
   
-proc skip_UTF_8_BOM(L: var TBaseLexer) = 
-  if (L.buf[0] == '\xEF') and (L.buf[1] == '\xBB') and (L.buf[2] == '\xBF'): 
+proc skipUTF8BOM(L: var TBaseLexer) = 
+  if L.buf[0] == '\xEF' and L.buf[1] == '\xBB' and L.buf[2] == '\xBF':
     inc(L.bufpos, 3)
     inc(L.lineStart, 3)
 
@@ -167,4 +167,3 @@ proc getCurrentLine(L: TBaseLexer, marker: bool = true): string =
   result.add("\n")
   if marker: 
     result.add(RepeatChar(getColNumber(L, L.bufpos)) & '^' & "\n")
-  
diff --git a/compiler/nimrod.nim b/compiler/nimrod.nim
index 2bc94e3f8..33c899647 100644
--- a/compiler/nimrod.nim
+++ b/compiler/nimrod.nim
@@ -31,7 +31,7 @@ proc prependCurDir(f: string): string =
   else:
     result = f
 
-proc HandleCmdLine() =
+proc handleCmdLine() =
   if paramCount() == 0:
     writeCommandLineUsage()
   else:
@@ -47,12 +47,12 @@ proc HandleCmdLine() =
       gProjectName = p.name
     else:
       gProjectPath = getCurrentDir()
-    LoadConfigs(DefaultConfig) # load all config files
+    loadConfigs(DefaultConfig) # load all config files
     # now process command line arguments again, because some options in the
     # command line can overwite the config file's settings
     extccomp.initVars()
-    ProcessCmdLine(passCmd2, "")
-    MainCommand()
+    processCmdLine(passCmd2, "")
+    mainCommand()
     if gVerbosity >= 2: echo(GC_getStatistics())
     #echo(GC_getStatistics())
     if msgs.gErrorCounter == 0:
@@ -84,5 +84,5 @@ when compileOption("gc", "v2") or compileOption("gc", "refc"):
 condsyms.InitDefines()
 
 when not defined(selftest):
-  HandleCmdLine()
+  handleCmdLine()
   quit(int8(msgs.gErrorCounter > 0))
diff --git a/compiler/nimsets.nim b/compiler/nimsets.nim
index 34f79e14b..8c2fc42d3 100644
--- a/compiler/nimsets.nim
+++ b/compiler/nimsets.nim
@@ -18,7 +18,7 @@ proc overlap*(a, b: PNode): bool
 proc inSet*(s: PNode, elem: PNode): bool
 proc someInSet*(s: PNode, a, b: PNode): bool
 proc emptyRange*(a, b: PNode): bool
-proc SetHasRange*(s: PNode): bool
+proc setHasRange*(s: PNode): bool
   # returns true if set contains a range (needed by the code generator)
   # these are used for constant folding:
 proc unionSets*(a, b: PNode): PNode
@@ -87,7 +87,7 @@ proc toBitSet(s: PNode, b: var TBitSet) =
     else: 
       BitSetIncl(b, getOrdValue(s.sons[i]) - first)
   
-proc ToTreeSet(s: TBitSet, settype: PType, info: TLineInfo): PNode = 
+proc toTreeSet(s: TBitSet, settype: PType, info: TLineInfo): PNode = 
   var 
     a, b, e, first: BiggestInt # a, b are interval borders
     elemType: PType
@@ -158,9 +158,9 @@ proc cardSet(s: PNode): BiggestInt =
     else: 
       Inc(result)
   
-proc SetHasRange(s: PNode): bool = 
+proc setHasRange(s: PNode): bool = 
   if s.kind != nkCurly:
-    InternalError(s.info, "SetHasRange")
+    internalError(s.info, "SetHasRange")
     return false
   for i in countup(0, sonsLen(s) - 1): 
     if s.sons[i].kind == nkRange: 
diff --git a/compiler/options.nim b/compiler/options.nim
index d4122c7b2..d792b487e 100644
--- a/compiler/options.nim
+++ b/compiler/options.nim
@@ -277,7 +277,7 @@ proc rawFindFile2(f: string): string =
     it = PStrEntry(it.Next)
   result = ""
 
-proc FindFile*(f: string): string {.procvar.} = 
+proc findFile*(f: string): string {.procvar.} = 
   result = f.rawFindFile
   if result.len == 0:
     result = f.toLower.rawFindFile
diff --git a/compiler/parser.nim b/compiler/parser.nim
index fd51b04ec..652883360 100644
--- a/compiler/parser.nim
+++ b/compiler/parser.nim
@@ -35,7 +35,7 @@ type
     lex*: TLexer              # the lexer that is used for parsing
     tok*: TToken              # the current token
 
-proc ParseAll*(p: var TParser): PNode
+proc parseAll*(p: var TParser): PNode
 proc openParser*(p: var TParser, filename: string, inputstream: PLLStream)
 proc closeParser*(p: var TParser)
 proc parseTopLevelStmt*(p: var TParser): PNode
@@ -59,9 +59,9 @@ proc newFloatNodeP*(kind: TNodeKind, floatVal: BiggestFloat, p: TParser): PNode
 proc newStrNodeP*(kind: TNodeKind, strVal: string, p: TParser): PNode
 proc newIdentNodeP*(ident: PIdent, p: TParser): PNode
 proc expectIdentOrKeyw*(p: TParser)
-proc ExpectIdent*(p: TParser)
+proc expectIdent*(p: TParser)
 proc parLineInfo*(p: TParser): TLineInfo
-proc Eat*(p: var TParser, TokType: TTokType)
+proc eat*(p: var TParser, TokType: TTokType)
 proc skipInd*(p: var TParser)
 proc optPar*(p: var TParser)
 proc optInd*(p: var TParser, n: PNode)
@@ -75,17 +75,17 @@ proc parseCase(p: var TParser): PNode
 proc getTok(p: var TParser) = 
   rawGetTok(p.lex, p.tok)
 
-proc OpenParser*(p: var TParser, fileIdx: int32, inputStream: PLLStream) =
+proc openParser*(p: var TParser, fileIdx: int32, inputStream: PLLStream) =
   initToken(p.tok)
-  OpenLexer(p.lex, fileIdx, inputstream)
+  openLexer(p.lex, fileIdx, inputstream)
   getTok(p)                   # read the first token
   p.firstTok = true
 
-proc OpenParser*(p: var TParser, filename: string, inputStream: PLLStream) =
+proc openParser*(p: var TParser, filename: string, inputStream: PLLStream) =
   openParser(p, filename.fileInfoIdx, inputStream)
 
-proc CloseParser(p: var TParser) = 
-  CloseLexer(p.lex)
+proc closeParser(p: var TParser) = 
+  closeLexer(p.lex)
 
 proc parMessage(p: TParser, msg: TMsgKind, arg: string = "") = 
   lexMessage(p.lex, msg, arg)
@@ -135,11 +135,11 @@ proc expectIdentOrKeyw(p: TParser) =
   if p.tok.tokType != tkSymbol and not isKeyword(p.tok.tokType):
     lexMessage(p.lex, errIdentifierExpected, prettyTok(p.tok))
   
-proc ExpectIdent(p: TParser) =
+proc expectIdent(p: TParser) =
   if p.tok.tokType != tkSymbol:
     lexMessage(p.lex, errIdentifierExpected, prettyTok(p.tok))
   
-proc Eat(p: var TParser, TokType: TTokType) =
+proc eat(p: var TParser, TokType: TTokType) =
   if p.tok.TokType == TokType: getTok(p)
   else: lexMessage(p.lex, errTokenExpected, TokTypeToStr[tokType])
   
@@ -185,10 +185,10 @@ proc relevantOprChar(ident: PIdent): char {.inline.} =
   if result == '\\' and L > 1:
     result = ident.s[1]
 
-proc IsSigilLike(tok: TToken): bool {.inline.} =
+proc isSigilLike(tok: TToken): bool {.inline.} =
   result = tok.tokType == tkOpr and relevantOprChar(tok.ident) == '@'
 
-proc IsLeftAssociative(tok: TToken): bool {.inline.} =
+proc isLeftAssociative(tok: TToken): bool {.inline.} =
   result = tok.tokType != tkOpr or relevantOprChar(tok.ident) != '^'
 
 proc getPrecedence(tok: TToken): int = 
@@ -427,7 +427,7 @@ proc parseCast(p: var TParser): PNode =
 
 proc setBaseFlags(n: PNode, base: TNumericalBase) = 
   case base
-  of base10: nil
+  of base10: discard
   of base2: incl(n.flags, nfBase2)
   of base8: incl(n.flags, nfBase8)
   of base16: incl(n.flags, nfBase16)
@@ -1862,7 +1862,7 @@ proc parseTopLevelStmt(p: var TParser): PNode =
   result = ast.emptyNode
   while true:
     if p.tok.indent != 0: 
-      if p.firstTok and p.tok.indent < 0: nil
+      if p.firstTok and p.tok.indent < 0: discard
       else: parMessage(p, errInvalidIndentation)
     p.firstTok = false
     case p.tok.tokType
@@ -1881,7 +1881,7 @@ proc parseString(s: string, filename: string = "", line: int = 0): PNode =
   stream.lineOffset = line
 
   var parser: TParser
-  OpenParser(parser, filename, stream)
+  openParser(parser, filename, stream)
 
   result = parser.parseAll
-  CloseParser(parser)
+  closeParser(parser)
diff --git a/compiler/pbraces.nim b/compiler/pbraces.nim
index a944fe0ab..ce6e0d9a9 100644
--- a/compiler/pbraces.nim
+++ b/compiler/pbraces.nim
@@ -10,7 +10,7 @@
 import 
   llstream, lexer, parser, idents, strutils, ast, msgs
 
-proc ParseAll*(p: var TParser): PNode = 
+proc parseAll*(p: var TParser): PNode = 
   result = nil
 
 proc parseTopLevelStmt*(p: var TParser): PNode = 
diff --git a/compiler/platform.nim b/compiler/platform.nim
index 59091b690..5245cba6a 100644
--- a/compiler/platform.nim
+++ b/compiler/platform.nim
@@ -185,13 +185,13 @@ var
   targetCPU*, hostCPU*: TSystemCPU
   targetOS*, hostOS*: TSystemOS
 
-proc NameToOS*(name: string): TSystemOS
-proc NameToCPU*(name: string): TSystemCPU
+proc nameToOS*(name: string): TSystemOS
+proc nameToCPU*(name: string): TSystemCPU
 
 var 
-  IntSize*: int
+  intSize*: int
   floatSize*: int
-  PtrSize*: int
+  ptrSize*: int
   tnl*: string                # target newline
 
 proc setTarget*(o: TSystemOS, c: TSystemCPU) = 
@@ -205,13 +205,13 @@ proc setTarget*(o: TSystemOS, c: TSystemCPU) =
   ptrSize = cpu[c].bit div 8
   tnl = os[o].newLine
 
-proc NameToOS(name: string): TSystemOS = 
+proc nameToOS(name: string): TSystemOS = 
   for i in countup(succ(osNone), high(TSystemOS)): 
     if cmpIgnoreStyle(name, OS[i].name) == 0: 
       return i
   result = osNone
 
-proc NameToCPU(name: string): TSystemCPU = 
+proc nameToCPU(name: string): TSystemCPU = 
   for i in countup(succ(cpuNone), high(TSystemCPU)): 
     if cmpIgnoreStyle(name, CPU[i].name) == 0: 
       return i
diff --git a/compiler/pragmas.nim b/compiler/pragmas.nim
index 6f1e7af25..41898caed 100644
--- a/compiler/pragmas.nim
+++ b/compiler/pragmas.nim
@@ -92,12 +92,12 @@ proc setExternName(s: PSym, extname: string) =
     # note that '{.importc.}' is transformed into '{.importc: "$1".}'
     s.loc.flags.incl(lfFullExternalName)
 
-proc MakeExternImport(s: PSym, extname: string) = 
+proc makeExternImport(s: PSym, extname: string) = 
   setExternName(s, extname)
   incl(s.flags, sfImportc)
   excl(s.flags, sfForward)
 
-proc MakeExternExport(s: PSym, extname: string) = 
+proc makeExternExport(s: PSym, extname: string) = 
   setExternName(s, extname)
   incl(s.flags, sfExportc)
 
@@ -133,7 +133,7 @@ proc getStrLitNode(c: PContext, n: PNode): PNode =
     case n.sons[1].kind
     of nkStrLit, nkRStrLit, nkTripleStrLit: result = n.sons[1]
     else: 
-      LocalError(n.info, errStringLiteralExpected)
+      localError(n.info, errStringLiteralExpected)
       # error correction:
       result = newEmptyStrNode(n)
 
@@ -142,12 +142,12 @@ proc expectStrLit(c: PContext, n: PNode): string =
 
 proc expectIntLit(c: PContext, n: PNode): int = 
   if n.kind != nkExprColonExpr: 
-    LocalError(n.info, errIntLiteralExpected)
+    localError(n.info, errIntLiteralExpected)
   else: 
     n.sons[1] = c.semConstExpr(c, n.sons[1])
     case n.sons[1].kind
     of nkIntLit..nkInt64Lit: result = int(n.sons[1].intVal)
-    else: LocalError(n.info, errIntLiteralExpected)
+    else: localError(n.info, errIntLiteralExpected)
 
 proc getOptionalStr(c: PContext, n: PNode, defaultStr: string): string = 
   if n.kind == nkExprColonExpr: result = expectStrLit(c, n)
@@ -160,7 +160,7 @@ proc processMagic(c: PContext, n: PNode, s: PSym) =
   #if sfSystemModule notin c.module.flags:
   #  liMessage(n.info, errMagicOnlyInSystem)
   if n.kind != nkExprColonExpr: 
-    LocalError(n.info, errStringLiteralExpected)
+    localError(n.info, errStringLiteralExpected)
     return
   var v: string
   if n.sons[1].kind == nkIdent: v = n.sons[1].ident.s
@@ -176,15 +176,15 @@ proc wordToCallConv(sw: TSpecialWord): TCallingConvention =
   # the same
   result = TCallingConvention(ord(ccDefault) + ord(sw) - ord(wNimcall))
 
-proc IsTurnedOn(c: PContext, n: PNode): bool = 
+proc isTurnedOn(c: PContext, n: PNode): bool = 
   if n.kind == nkExprColonExpr:
     let x = c.semConstBoolExpr(c, n.sons[1])
     n.sons[1] = x
     if x.kind == nkIntLit: return x.intVal != 0
-  LocalError(n.info, errOnOrOffExpected)
+  localError(n.info, errOnOrOffExpected)
 
 proc onOff(c: PContext, n: PNode, op: TOptions) = 
-  if IsTurnedOn(c, n): gOptions = gOptions + op
+  if isTurnedOn(c, n): gOptions = gOptions + op
   else: gOptions = gOptions - op
   
 proc pragmaDeadCodeElim(c: PContext, n: PNode) = 
@@ -387,16 +387,16 @@ proc processCommonLink(c: PContext, n: PNode, feature: TLinkFeature) =
     extccomp.addFileToLink(libpath / completeCFilePath(found, false))
   else: internalError(n.info, "processCommonLink")
   
-proc PragmaBreakpoint(c: PContext, n: PNode) = 
+proc pragmaBreakpoint(c: PContext, n: PNode) = 
   discard getOptionalStr(c, n, "")
 
-proc PragmaCheckpoint(c: PContext, n: PNode) = 
+proc pragmaCheckpoint(c: PContext, n: PNode) = 
   # checkpoints can be used to debug the compiler; they are not documented
   var info = n.info
   inc(info.line)              # next line is affected!
   msgs.addCheckpoint(info)
 
-proc PragmaWatchpoint(c: PContext, n: PNode) =
+proc pragmaWatchpoint(c: PContext, n: PNode) =
   if n.kind == nkExprColonExpr:
     n.sons[1] = c.semExpr(c, n.sons[1])
   else:
@@ -431,14 +431,14 @@ proc semAsmOrEmit*(con: PContext, n: PNode, marker: char): PNode =
       a = c + 1
   else: illFormedAst(n)
   
-proc PragmaEmit(c: PContext, n: PNode) = 
+proc pragmaEmit(c: PContext, n: PNode) = 
   discard getStrLitNode(c, n)
   n.sons[1] = semAsmOrEmit(c, n, '`')
 
 proc noVal(n: PNode) = 
   if n.kind == nkExprColonExpr: invalidPragma(n)
 
-proc PragmaUnroll(c: PContext, n: PNode) = 
+proc pragmaUnroll(c: PContext, n: PNode) = 
   if c.p.nestedLoopCounter <= 0: 
     invalidPragma(n)
   elif n.kind == nkExprColonExpr:
@@ -448,7 +448,7 @@ proc PragmaUnroll(c: PContext, n: PNode) =
     else: 
       invalidPragma(n)
 
-proc PragmaLine(c: PContext, n: PNode) =
+proc pragmaLine(c: PContext, n: PNode) =
   if n.kind == nkExprColonExpr:
     n.sons[1] = c.semConstExpr(c, n.sons[1])
     let a = n.sons[1]
@@ -465,7 +465,7 @@ proc PragmaLine(c: PContext, n: PNode) =
         n.info.fileIndex = msgs.fileInfoIdx(x.strVal)
         n.info.line = int16(y.intVal)
     else:
-      LocalError(n.info, errXExpected, "tuple")
+      localError(n.info, errXExpected, "tuple")
   else:
     # sensible default:
     n.info = getInfoContext(-1)
diff --git a/compiler/pretty.nim b/compiler/pretty.nim
index 5036a16a3..2955193d0 100644
--- a/compiler/pretty.nim
+++ b/compiler/pretty.nim
@@ -12,7 +12,7 @@
 
 import 
   strutils, os, options, ast, astalgo, msgs, ropes, idents, passes,
-  intsets, strtabs
+  intsets, strtabs, semdata
   
 const
   removeTP = false # when true, "nimrod pretty" converts TTyp to Typ.
@@ -50,7 +50,7 @@ proc overwriteFiles*() =
     try:
       var f = open(newFile, fmWrite)
       for line in gSourceFiles[i].lines:
-        f.writeln(line)
+        f.writeln(line.strip(leading = false, trailing = true))
       f.close
     except EIO:
       rawMessage(errCannotOpenFile, newFile)
@@ -60,18 +60,25 @@ proc `=~`(s: string, a: openArray[string]): bool =
     if s.startsWith(x): return true
 
 proc beautifyName(s: string, k: TSymKind): string =
+  # minimal set of rules here for transition:
+  # GC_ is allowed
+
+  let allUpper = allCharsInSet(s, {'A'..'Z', '0'..'9', '_'})
+  if allUpper and k in {skConst, skEnumField, skType}: return s
   result = newStringOfCap(s.len)
   var i = 0
   case k
   of skType, skGenericParam:
-    # skip leading 'T'
+    # Types should start with a capital unless builtins like 'int' etc.:
     when removeTP:
       if s[0] == 'T' and s[1] in {'A'..'Z'}:
         i = 1
     if s =~ ["int", "uint", "cint", "cuint", "clong", "cstring", "string",
              "char", "byte", "bool", "openArray", "seq", "array", "void",
              "pointer", "float", "csize", "cdouble", "cchar", "cschar",
-             "cshort", "cu"]:
+             "cshort", "cu", "nil", "expr", "stmt", "typedesc", "auto", "any",
+             "range", "openarray", "varargs", "set", "cfloat"
+             ]:
       result.add s[i]
     else:
       result.add toUpper(s[i])
@@ -81,13 +88,19 @@ proc beautifyName(s: string, k: TSymKind): string =
   else:
     # as a special rule, don't transform 'L' to 'l'
     if s.len == 1 and s[0] == 'L': result.add 'L'
+    elif '_' in s: result.add(s[i])
     else: result.add toLower(s[0])
   inc i
-  let allUpper = allCharsInSet(s, {'A'..'Z', '0'..'9', '_'})
   while i < s.len:
     if s[i] == '_':
-      inc i
-      result.add toUpper(s[i])
+      if i > 0 and s[i-1] in {'A'..'Z'}:
+        # don't skip '_' as it's essential for e.g. 'GC_disable'
+        result.add('_')
+        inc i
+        result.add s[i]
+      else:
+        inc i
+        result.add toUpper(s[i])
     elif allUpper:
       result.add toLower(s[i])
     else:
@@ -97,7 +110,7 @@ proc beautifyName(s: string, k: TSymKind): string =
 proc checkStyle*(info: TLineInfo, s: string, k: TSymKind) =
   let beau = beautifyName(s, k)
   if s != beau:
-    Message(info, errGenerated, 
+    message(info, errGenerated, 
       "name does not adhere to naming convention; should be: " & beau)
 
 const
@@ -119,11 +132,88 @@ proc differ(line: string, a, b: int, x: string): bool =
 
 var cannotRename = initIntSet()
 
-proc processSym(c: PPassContext, n: PNode): PNode = 
-  result = n
-  var g = PGen(c)
-  case n.kind
-  of nkSym:
+proc checkDef(c: PGen; n: PNode) =
+  if n.kind != nkSym: return
+  let s = n.sym
+
+  # operators stay as they are:
+  if s.kind in {skResult, skTemp} or s.name.s[0] notin Letters: return
+  if s.kind in {skType, skGenericParam} and sfAnon in s.flags: return
+
+  checkStyle(n.info, s.name.s, s.kind)
+
+proc checkUse(c: PGen; n: PNode) =
+  if n.info.fileIndex < 0: return
+  let s = n.sym
+  # we simply convert it to what it looks like in the definition
+  # for consistency
+  
+  # operators stay as they are:
+  if s.kind in {skResult, skTemp} or s.name.s[0] notin Letters: return
+  if s.kind in {skType, skGenericParam} and sfAnon in s.flags: return
+  let newName = s.name.s
+  
+  loadFile(n.info)
+  
+  let line = gSourceFiles[n.info.fileIndex].lines[n.info.line-1]
+  var first = min(n.info.col.int, line.len)
+  if first < 0: return
+  #inc first, skipIgnoreCase(line, "proc ", first)
+  while first > 0 and line[first-1] in Letters: dec first
+  if first < 0: return
+  if line[first] == '`': inc first
+  
+  let last = first+identLen(line, first)-1
+  if differ(line, first, last, newName):
+    # last-first+1 != newName.len or 
+    var x = line.subStr(0, first-1) & newName & line.substr(last+1)
+    when removeTP:
+      # the WinAPI module is full of 'TX = X' which after the substitution
+      # becomes 'X = X'. We remove those lines:
+      if x.match(peg"\s* {\ident} \s* '=' \s* y$1 ('#' .*)?"):
+        x = ""
+    
+    system.shallowCopy(gSourceFiles[n.info.fileIndex].lines[n.info.line-1], x)
+    gSourceFiles[n.info.fileIndex].dirty = true
+
+
+when false:
+  proc beautifyName(s: string, k: TSymKind): string =
+    let allUpper = allCharsInSet(s, {'A'..'Z', '0'..'9', '_'})
+    result = newStringOfCap(s.len)
+    var i = 0
+    case k
+    of skType, skGenericParam:
+      # skip leading 'T'
+      when removeTP:
+        if s[0] == 'T' and s[1] in {'A'..'Z'}:
+          i = 1
+      if s =~ ["int", "uint", "cint", "cuint", "clong", "cstring", "string",
+               "char", "byte", "bool", "openArray", "seq", "array", "void",
+               "pointer", "float", "csize", "cdouble", "cchar", "cschar",
+               "cshort", "cu"]:
+        result.add s[i]
+      else:
+        result.add toUpper(s[i])
+    of skConst, skEnumField:
+      # for 'const' we keep how it's spelt; either upper case or lower case:
+      result.add s[0]
+    else:
+      # as a special rule, don't transform 'L' to 'l'
+      if s.len == 1 and s[0] == 'L': result.add 'L'
+      else: result.add toLower(s[0])
+    inc i
+    while i < s.len:
+      if s[i] == '_':
+        inc i
+        result.add toUpper(s[i])
+      elif allUpper:
+        result.add toLower(s[i])
+      else:
+        result.add s[i]
+      inc i
+
+  proc checkUse(c: PGen; n: PNode) =
     if n.info.fileIndex < 0: return
     let s = n.sym
     # operators stay as they are:
@@ -138,10 +228,11 @@ proc processSym(c: PPassContext, n: PNode): PNode =
     loadFile(n.info)
     
     let line = gSourceFiles[n.info.fileIndex].lines[n.info.line-1]
-    var first = n.info.col.int
+    var first = min(n.info.col.int, line.len)
     if first < 0: return
     #inc first, skipIgnoreCase(line, "proc ", first)
     while first > 0 and line[first-1] in Letters: dec first
+    if first < 0: return
     if line[first] == '`': inc first
     
     if {sfImportc, sfExportc} * s.flags != {}:
@@ -149,8 +240,8 @@ proc processSym(c: PPassContext, n: PNode): PNode =
       # name:
       if newName != s.name.s and newName != s.loc.r.ropeToStr and
           lfFullExternalName notin s.loc.flags:
-        Message(n.info, errGenerated, 
-          "cannot rename $# to $# due to external name" % [s.name.s, newName])
+        #Message(n.info, errGenerated, 
+        #  "cannot rename $# to $# due to external name" % [s.name.s, newName])
         cannotRename.incl(s.id)
         return
     let last = first+identLen(line, first)-1
@@ -165,9 +256,48 @@ proc processSym(c: PPassContext, n: PNode): PNode =
       
       system.shallowCopy(gSourceFiles[n.info.fileIndex].lines[n.info.line-1], x)
       gSourceFiles[n.info.fileIndex].dirty = true
+
+proc check(c: PGen, n: PNode) =
+  case n.kind
+  of nkSym: checkUse(c, n)
+  of nkBlockStmt, nkBlockExpr, nkBlockType:
+    if n.sons[0].kind != nkEmpty: checkDef(c, n[0])
+    check(c, n.sons[1])
+  of nkForStmt, nkParForStmt:
+    let L = n.len
+    for i in countup(0, L-3):
+      checkDef(c, n[i])
+    check(c, n[L-2])
+    check(c, n[L-1])
+  of nkProcDef, nkLambdaKinds, nkMethodDef, nkIteratorDef, nkTemplateDef,
+      nkMacroDef, nkConverterDef:
+    checkDef(c, n[namePos])
+    for i in namePos+1 .. <n.len: check(c, n.sons[i])
+  of nkVarSection, nkLetSection: 
+    for i in countup(0, sonsLen(n) - 1):
+      let a = n.sons[i]
+      if a.kind == nkCommentStmt: continue
+      if a.kind != nkIdentDefs and a.kind != nkVarTuple: 
+        globalError(a.info, errGenerated, "invalid ast")
+      checkMinSonsLen(a, 3)
+      let L = len(a)
+      for j in countup(0, L-3): checkDef(c, a.sons[j])
+      check(c, a.sons[L-2])
+      check(c, a.sons[L-1])
+  of nkTypeSection, nkConstSection:
+    for i in countup(0, sonsLen(n) - 1): 
+      let a = n.sons[i]
+      if a.kind == nkCommentStmt: continue 
+      checkSonsLen(a, 3)
+      checkDef(c, a.sons[0])
+      check(c, a.sons[1])
+      check(c, a.sons[2])
   else:
-    for i in 0 .. <n.safeLen:
-      discard processSym(c, n.sons[i])
+    for i in 0 .. <n.safeLen: check(c, n.sons[i])
+
+proc processSym(c: PPassContext, n: PNode): PNode = 
+  result = n
+  check(PGen(c), n)
 
 proc myOpen(module: PSym): PPassContext =
   var g: PGen
diff --git a/compiler/procfind.nim b/compiler/procfind.nim
index aefccd140..1075d5129 100644
--- a/compiler/procfind.nim
+++ b/compiler/procfind.nim
@@ -17,20 +17,20 @@ proc equalGenericParams(procA, procB: PNode): bool =
   if sonsLen(procA) != sonsLen(procB): return
   for i in countup(0, sonsLen(procA) - 1):
     if procA.sons[i].kind != nkSym:
-      InternalError(procA.info, "equalGenericParams")
+      internalError(procA.info, "equalGenericParams")
       return
     if procB.sons[i].kind != nkSym:
-      InternalError(procB.info, "equalGenericParams")
+      internalError(procB.info, "equalGenericParams")
       return
     let a = procA.sons[i].sym
     let b = procB.sons[i].sym
     if a.name.id != b.name.id or
         not sameTypeOrNil(a.typ, b.typ, {TypeDescExactMatch}): return
     if a.ast != nil and b.ast != nil:
-      if not ExprStructuralEquivalent(a.ast, b.ast): return
+      if not exprStructuralEquivalent(a.ast, b.ast): return
   result = true
 
-proc SearchForProc*(c: PContext, scope: PScope, fn: PSym): PSym =
+proc searchForProc*(c: PContext, scope: PScope, fn: PSym): PSym =
   # Searchs for a forward declaration or a "twin" symbol of fn
   # in the symbol table. If the parameter lists are exactly
   # the same the sym in the symbol table is returned, else nil.
@@ -77,7 +77,7 @@ when false:
                           dcEqOrDistinctOf): return
       result = true
 
-  proc SearchForBorrowProc*(c: PContext, startScope: PScope, fn: PSym): PSym =
+  proc searchForBorrowProc*(c: PContext, startScope: PScope, fn: PSym): PSym =
     # Searchs for the fn in the symbol table. If the parameter lists are suitable
     # for borrowing the sym in the symbol table is returned, else nil.
     var it: TIdentIter
diff --git a/compiler/renderer.nim b/compiler/renderer.nim
index c8fe70e02..27193c229 100644
--- a/compiler/renderer.nim
+++ b/compiler/renderer.nim
@@ -62,7 +62,7 @@ const
   MaxLineLen = 80
   LineCommentColumn = 30
 
-proc InitSrcGen(g: var TSrcGen, renderFlags: TRenderFlags) = 
+proc initSrcGen(g: var TSrcGen, renderFlags: TRenderFlags) = 
   g.comStack = @[]
   g.tokens = @[]
   g.indent = 0
@@ -108,12 +108,12 @@ proc indentNL(g: var TSrcGen) =
   g.pendingNL = g.indent
   g.lineLen = g.indent
 
-proc Dedent(g: var TSrcGen) = 
+proc dedent(g: var TSrcGen) = 
   dec(g.indent, indentWidth)
   assert(g.indent >= 0)
   if g.pendingNL > indentWidth: 
-    Dec(g.pendingNL, indentWidth)
-    Dec(g.lineLen, indentWidth)
+    dec(g.pendingNL, indentWidth)
+    dec(g.lineLen, indentWidth)
 
 proc put(g: var TSrcGen, kind: TTokType, s: string) = 
   addPendingNL(g)
diff --git a/compiler/rodread.nim b/compiler/rodread.nim
index 6e6b83260..9f69f022a 100644
--- a/compiler/rodread.nim
+++ b/compiler/rodread.nim
@@ -184,7 +184,7 @@ proc skipNode(r: PRodReader) =
       if par == 0: break
       dec par
     of '(': inc par
-    else: nil
+    else: discard
     inc pos
   r.pos = pos+1 # skip ')'
 
@@ -248,7 +248,7 @@ proc decodeNodeLazyBody(r: PRodReader, fInfo: TLineInfo,
     if r.s[r.pos] == ')': inc(r.pos)
     else: internalError(result.info, "decodeNode: ')' missing")
   else:
-    InternalError(fInfo, "decodeNode: '(' missing " & $r.pos)
+    internalError(fInfo, "decodeNode: '(' missing " & $r.pos)
 
 proc decodeNode(r: PRodReader, fInfo: TLineInfo): PNode =
   result = decodeNodeLazyBody(r, fInfo, nil)
@@ -286,7 +286,7 @@ proc decodeLoc(r: PRodReader, loc: var TLoc, info: TLineInfo) =
     else: 
       loc.a = 0
     if r.s[r.pos] == '>': inc(r.pos)
-    else: InternalError(info, "decodeLoc " & r.s[r.pos])
+    else: internalError(info, "decodeLoc " & r.s[r.pos])
   
 proc decodeType(r: PRodReader, info: TLineInfo): PType = 
   result = nil
@@ -303,9 +303,9 @@ proc decodeType(r: PRodReader, info: TLineInfo): PType =
     setId(result.id)
     if debugIds: registerID(result)
   else: 
-    InternalError(info, "decodeType: no id")
+    internalError(info, "decodeType: no id")
   # here this also avoids endless recursion for recursive type
-  IdTablePut(gTypeTable, result, result) 
+  idTablePut(gTypeTable, result, result) 
   if r.s[r.pos] == '(': result.n = decodeNode(r, UnknownLineInfo())
   if r.s[r.pos] == '$': 
     inc(r.pos)
@@ -370,7 +370,7 @@ proc decodeSym(r: PRodReader, info: TLineInfo): PSym =
     id = decodeVInt(r.s, r.pos)
     setId(id)
   else:
-    InternalError(info, "decodeSym: no id")
+    internalError(info, "decodeSym: no id")
   if r.s[r.pos] == '&': 
     inc(r.pos)
     ident = getIdent(decodeStr(r.s, r.pos))
@@ -384,7 +384,7 @@ proc decodeSym(r: PRodReader, info: TLineInfo): PSym =
     IdTablePut(r.syms, result, result)
     if debugIds: registerID(result)
   elif result.id != id:
-    InternalError(info, "decodeSym: wrong id")
+    internalError(info, "decodeSym: wrong id")
   elif result.kind != skStub and not r.inViewMode:
     # we already loaded the symbol
     return
@@ -455,7 +455,7 @@ proc skipSection(r: PRodReader) =
         elif c > 0: 
           dec(c)
       of '\0': break          # end of file
-      else: nil
+      else: discard
       inc(r.pos)
   else: 
     InternalError("skipSection " & $r.line)
@@ -799,7 +799,7 @@ proc loadMethods(r: PRodReader) =
     r.methods.add(rrGetSym(r, d, UnknownLineInfo()))
     if r.s[r.pos] == ' ': inc(r.pos)
 
-proc GetCRC*(fileIdx: int32): TCrc32 =
+proc getCRC*(fileIdx: int32): TCrc32 =
   InternalAssert fileIdx >= 0 and fileIdx < gMods.len
 
   if gMods[fileIdx].crcDone:
@@ -818,14 +818,14 @@ proc checkDep(fileIdx: int32): TReasonForRecompile =
     # reason has already been computed for this module:
     return gMods[fileIdx].reason
   let filename = fileIdx.toFilename
-  var crc = GetCRC(fileIdx)
+  var crc = getCRC(fileIdx)
   gMods[fileIdx].reason = rrNone  # we need to set it here to avoid cycles
   result = rrNone
   var r: PRodReader = nil
   var rodfile = toGeneratedFile(filename.withPackageName, RodExt)
   r = newRodReader(rodfile, crc, fileIdx)
   if r == nil: 
-    result = (if ExistsFile(rodfile): rrRodInvalid else: rrRodDoesNotExist)
+    result = (if existsFile(rodfile): rrRodInvalid else: rrRodDoesNotExist)
   else:
     processRodFile(r, crc)
     result = r.reason
@@ -880,12 +880,12 @@ proc rawLoadStub(s: PSym) =
   if rs != s:
     #echo "rs: ", toHex(cast[int](rs.position), int.sizeof * 2),
     #     "\ns:  ", toHex(cast[int](s.position), int.sizeof * 2)
-    InternalError(rs.info, "loadStub: wrong symbol")
+    internalError(rs.info, "loadStub: wrong symbol")
   elif rs.id != theId: 
-    InternalError(rs.info, "loadStub: wrong ID") 
+    internalError(rs.info, "loadStub: wrong ID") 
   #MessageOut('loaded stub: ' + s.name.s);
   
-proc LoadStub*(s: PSym) =
+proc loadStub*(s: PSym) =
   ## loads the stub symbol `s`.
   
   # deactivate the GC here because we do a deep recursion and generate no
@@ -912,8 +912,8 @@ proc getBody*(s: PSym): PNode =
     s.ast.sons[bodyPos] = result
     s.offset = 0
   
-InitIdTable(gTypeTable)
-InitStrTable(rodCompilerProcs)
+initIdTable(gTypeTable)
+initStrTable(rodCompilerProcs)
 
 # viewer:
 proc writeNode(f: TFile; n: PNode) =
@@ -1166,7 +1166,7 @@ proc viewFile(rodfile: string) =
       if r.s[r.pos] == ')': inc r.pos
       outf.write("<not supported by viewer>)\n")
     else:
-      InternalError("invalid section: '" & section &
+      internalError("invalid section: '" & section &
                     "' at " & $r.line & " in " & r.filename)
       skipSection(r)
     if r.s[r.pos] == '\x0A':
diff --git a/compiler/rodutils.nim b/compiler/rodutils.nim
index 0ee3b1ec4..4527f77da 100644
--- a/compiler/rodutils.nim
+++ b/compiler/rodutils.nim
@@ -12,7 +12,7 @@ import strutils
 
 proc c_sprintf(buf, frmt: cstring) {.importc: "sprintf", nodecl, varargs.}
 
-proc ToStrMaxPrecision*(f: BiggestFloat): string = 
+proc toStrMaxPrecision*(f: BiggestFloat): string = 
   if f != f:
     result = "NAN"
   elif f == 0.0:
@@ -36,7 +36,7 @@ proc hexChar(c: char, xi: var int) =
   of '0'..'9': xi = (xi shl 4) or (ord(c) - ord('0'))
   of 'a'..'f': xi = (xi shl 4) or (ord(c) - ord('a') + 10)
   of 'A'..'F': xi = (xi shl 4) or (ord(c) - ord('A') + 10)
-  else: nil
+  else: discard
 
 proc decodeStr*(s: cstring, pos: var int): string =
   var i = pos
diff --git a/compiler/ropes.nim b/compiler/ropes.nim
index 707c29123..4f8553375 100644
--- a/compiler/ropes.nim
+++ b/compiler/ropes.nim
@@ -91,13 +91,13 @@ proc writeRopeIfNotEqual*(r: PRope, filename: string): bool
 proc ropeToStr*(p: PRope): string
 proc ropef*(frmt: TFormatStr, args: varargs[PRope]): PRope
 proc appf*(c: var PRope, frmt: TFormatStr, args: varargs[PRope])
-proc RopeEqualsFile*(r: PRope, f: string): bool
+proc ropeEqualsFile*(r: PRope, f: string): bool
   # returns true if the rope r is the same as the contents of file f
-proc RopeInvariant*(r: PRope): bool
+proc ropeInvariant*(r: PRope): bool
   # exported for debugging
 # implementation
 
-var ErrorHandler*: proc(err: TRopesError, msg: string, useWarning = false)
+var errorHandler*: proc(err: TRopesError, msg: string, useWarning = false)
   # avoid dependency on msgs.nim
   
 proc ropeLen(a: PRope): int = 
@@ -126,7 +126,7 @@ proc resetRopeCache* =
   for i in low(cache)..high(cache):
     cache[i] = nil
 
-proc RopeInvariant(r: PRope): bool = 
+proc ropeInvariant(r: PRope): bool = 
   if r == nil: 
     result = true
   else: 
@@ -159,7 +159,7 @@ proc toRope(s: string): PRope =
     result = insertInCache(s)
   assert(RopeInvariant(result))
 
-proc RopeSeqInsert(rs: var TRopeSeq, r: PRope, at: Natural) = 
+proc ropeSeqInsert(rs: var TRopeSeq, r: PRope, at: Natural) = 
   var length = len(rs)
   if at > length: 
     setlen(rs, at + 1)
@@ -177,8 +177,8 @@ proc newRecRopeToStr(result: var string, resultLen: var int, r: PRope) =
       add(stack, it.right)
       it = it.left
     assert(it.data != nil)
-    CopyMem(addr(result[resultLen]), addr(it.data[0]), it.length)
-    Inc(resultLen, it.length)
+    copyMem(addr(result[resultLen]), addr(it.data[0]), it.length)
+    inc(resultLen, it.length)
     assert(resultLen <= len(result))
 
 proc ropeToStr(p: PRope): string = 
@@ -227,13 +227,13 @@ proc writeRope*(f: TFile, c: PRope) =
     assert(it.data != nil)
     write(f, it.data)
 
-proc WriteRope*(head: PRope, filename: string, useWarning = false) =
+proc writeRope*(head: PRope, filename: string, useWarning = false) =
   var f: tfile
   if open(f, filename, fmWrite):
     if head != nil: WriteRope(f, head)
     close(f)
   else:
-    ErrorHandler(rCannotOpenFile, filename, useWarning)
+    errorHandler(rCannotOpenFile, filename, useWarning)
 
 var
   rnl* = tnl.newRope
@@ -263,7 +263,7 @@ proc ropef(frmt: TFormatStr, args: varargs[PRope]): PRope =
           if (i > length + 0 - 1) or not (frmt[i] in {'0'..'9'}): break 
         num = j
         if j > high(args) + 1:
-          ErrorHandler(rInvalidFormatStr, $(j))
+          errorHandler(rInvalidFormatStr, $(j))
         else:
           app(result, args[j - 1])
       of 'n':
@@ -273,7 +273,7 @@ proc ropef(frmt: TFormatStr, args: varargs[PRope]): PRope =
         app(result, rnl)
         inc(i)
       else:
-        ErrorHandler(rInvalidFormatStr, $(frmt[i]))
+        errorHandler(rInvalidFormatStr, $(frmt[i]))
     var start = i
     while i < length:
       if frmt[i] != '$': inc(i)
@@ -308,8 +308,8 @@ proc auxRopeEqualsFile(r: PRope, bin: var tfile, buf: Pointer): bool =
     result = auxRopeEqualsFile(r.left, bin, buf)
     if result: result = auxRopeEqualsFile(r.right, bin, buf)
   
-proc RopeEqualsFile(r: PRope, f: string): bool = 
-  var bin: tfile
+proc ropeEqualsFile(r: PRope, f: string): bool = 
+  var bin: TFile
   result = open(bin, f)
   if not result: 
     return                    # not equal if file does not exist
diff --git a/compiler/sem.nim b/compiler/sem.nim
index d0fc5bfe1..ee1019aa8 100644
--- a/compiler/sem.nim
+++ b/compiler/sem.nim
@@ -66,7 +66,7 @@ proc fitNode(c: PContext, formal: PType, arg: PNode): PNode =
       result = copyTree(arg)
       result.typ = formal
 
-var CommonTypeBegin = PType(kind: tyExpr)
+var commonTypeBegin = PType(kind: tyExpr)
 
 proc commonType*(x, y: PType): PType =
   # new type relation that is used for array constructors,
diff --git a/compiler/semcall.nim b/compiler/semcall.nim
index 9e9614796..8fe81c4c6 100644
--- a/compiler/semcall.nim
+++ b/compiler/semcall.nim
@@ -19,7 +19,7 @@ proc sameMethodDispatcher(a, b: PSym): bool =
       if aa.sym == bb.sym: 
         result = true
     else:
-      nil
+      discard
       # generics have no dispatcher yet, so we need to compare the method
       # names; however, the names are equal anyway because otherwise we
       # wouldn't even consider them to be overloaded. But even this does
@@ -74,13 +74,13 @@ proc pickBestCandidate(c: PContext, headSymbol: PNode,
           else: nil
     sym = nextOverloadIter(o, c, headSymbol)
 
-proc NotFoundError*(c: PContext, n: PNode, errors: seq[string]) =
+proc notFoundError*(c: PContext, n: PNode, errors: seq[string]) =
   # Gives a detailed error message; this is separated from semOverloadedCall,
   # as semOverlodedCall is already pretty slow (and we need this information
   # only in case of an error).
-  if c.InCompilesContext > 0: 
+  if c.inCompilesContext > 0: 
     # fail fast:
-    GlobalError(n.info, errTypeMismatch, "")
+    globalError(n.info, errTypeMismatch, "")
   var result = msgKindToString(errTypeMismatch)
   add(result, describeArgs(c, n, 1 + ord(nfDelegate in n.flags)))
   add(result, ')')
@@ -93,7 +93,7 @@ proc NotFoundError*(c: PContext, n: PNode, errors: seq[string]) =
   if candidates != "":
     add(result, "\n" & msgKindToString(errButExpected) & "\n" & candidates)
 
-  LocalError(n.Info, errGenerated, result)
+  localError(n.Info, errGenerated, result)
 
 proc gatherUsedSyms(c: PContext, usedSyms: var seq[PNode]) =
   for scope in walkScopes(c.currentScope):
@@ -164,12 +164,12 @@ proc resolveOverloads(c: PContext, n, orig: PNode,
 
   if alt.state == csMatch and cmpCandidates(result, alt) == 0 and
       not sameMethodDispatcher(result.calleeSym, alt.calleeSym):
-    InternalAssert result.state == csMatch
+    internalAssert result.state == csMatch
     #writeMatches(result)
     #writeMatches(alt)
     if c.inCompilesContext > 0: 
       # quick error message for performance of 'compiles' built-in:
-      GlobalError(n.Info, errGenerated, "ambiguous call")
+      globalError(n.Info, errGenerated, "ambiguous call")
     elif gErrorCounter == 0:
       # don't cascade errors
       var args = "("
@@ -178,7 +178,7 @@ proc resolveOverloads(c: PContext, n, orig: PNode,
         add(args, typeToString(n.sons[i].typ))
       add(args, ")")
 
-      LocalError(n.Info, errGenerated, msgKindToString(errAmbiguousCallXYZ) % [
+      localError(n.Info, errGenerated, msgKindToString(errAmbiguousCallXYZ) % [
         getProcHeader(result.calleeSym), getProcHeader(alt.calleeSym),
         args])
 
@@ -197,14 +197,14 @@ proc instGenericConvertersSons*(c: PContext, n: PNode, x: TCandidate) =
     for i in 1 .. <n.len:
       instGenericConvertersArg(c, n.sons[i], x)
 
-proc IndexTypesMatch(c: PContext, f, a: PType, arg: PNode): PNode = 
+proc indexTypesMatch(c: PContext, f, a: PType, arg: PNode): PNode = 
   var m: TCandidate
   initCandidate(m, f)
   result = paramTypesMatch(c, m, f, a, arg, nil)
   if m.genericConverter and result != nil:
     instGenericConvertersArg(c, result, m)
 
-proc ConvertTo*(c: PContext, f: PType, n: PNode): PNode = 
+proc convertTo*(c: PContext, f: PType, n: PNode): PNode = 
   var m: TCandidate
   initCandidate(m, f)
   result = paramTypesMatch(c, m, f, n.typ, n, nil)
@@ -239,7 +239,7 @@ proc semOverloadedCall(c: PContext, n, nOrig: PNode,
   # else: result = errorNode(c, n)
     
 proc explicitGenericInstError(n: PNode): PNode =
-  LocalError(n.info, errCannotInstantiateX, renderTree(n))
+  localError(n.info, errCannotInstantiateX, renderTree(n))
   result = n
 
 proc explicitGenericSym(c: PContext, n: PNode, s: PSym): PNode =
@@ -283,7 +283,7 @@ proc explicitGenericInstantiation(c: PContext, n: PNode, s: PSym): PNode =
   else:
     result = explicitGenericInstError(n)
 
-proc SearchForBorrowProc(c: PContext, startScope: PScope, fn: PSym): PSym =
+proc searchForBorrowProc(c: PContext, startScope: PScope, fn: PSym): PSym =
   # Searchs for the fn in the symbol table. If the parameter lists are suitable
   # for borrowing the sym in the symbol table is returned, else nil.
   # New approach: generate fn(x, y, z) where x, y, z have the proper types
diff --git a/compiler/semdata.nim b/compiler/semdata.nim
index 650a399f7..1ab38c9ce 100644
--- a/compiler/semdata.nim
+++ b/compiler/semdata.nim
@@ -21,7 +21,7 @@ type
     options*: TOptions
     defaultCC*: TCallingConvention
     dynlib*: PLib
-    Notes*: TNoteKinds
+    notes*: TNoteKinds
     otherPragmas*: PNode      # every pragma can be pushed
 
   POptionEntry* = ref TOptionEntry
@@ -32,7 +32,7 @@ type
     resultSym*: PSym          # the result symbol (if we are in a proc)
     nestedLoopCounter*: int   # whether we are in a loop or not
     nestedBlockCounter*: int  # whether we are in a block or not
-    InTryStmt*: int           # whether we are in a try statement; works also
+    inTryStmt*: int           # whether we are in a try statement; works also
                               # in standalone ``except`` and ``finally``
     next*: PProcCon           # used for stacking procedure contexts
   
@@ -55,16 +55,16 @@ type
     friendModule*: PSym        # current friend module; may access private data;
                                # this is used so that generic instantiations
                                # can access private object fields
-    InstCounter*: int          # to prevent endless instantiations
+    instCounter*: int          # to prevent endless instantiations
    
     threadEntries*: TSymSeq    # list of thread entries to check
-    AmbiguousSymbols*: TIntSet # ids of all ambiguous symbols (cannot
+    ambiguousSymbols*: TIntSet # ids of all ambiguous symbols (cannot
                                # store this info in the syms themselves!)
-    InTypeClass*: int          # > 0 if we are in a user-defined type class
-    InGenericContext*: int     # > 0 if we are in a generic type
-    InUnrolledContext*: int    # > 0 if we are unrolling a loop
-    InCompilesContext*: int    # > 0 if we are in a ``compiles`` magic
-    InGenericInst*: int        # > 0 if we are instantiating a generic
+    inTypeClass*: int          # > 0 if we are in a user-defined type class
+    inGenericContext*: int     # > 0 if we are in a generic type
+    inUnrolledContext*: int    # > 0 if we are unrolling a loop
+    inCompilesContext*: int    # > 0 if we are in a ``compiles`` magic
+    inGenericInst*: int        # > 0 if we are instantiating a generic
     converters*: TSymSeq       # sequence of converters
     patterns*: TSymSeq         # sequence of pattern matchers
     optionStack*: TLinkedList
@@ -83,7 +83,7 @@ type
     includedFiles*: TIntSet    # used to detect recursive include files
     userPragmas*: TStrTable
     evalContext*: PEvalContext
-    UnknownIdents*: TIntSet    # ids of all unknown identifiers to prevent
+    unknownIdents*: TIntSet    # ids of all unknown identifiers to prevent
                                # naming it multiple times
     generics*: seq[TInstantiationPair] # pending list of instantiated generics to compile
     lastGenericIdx*: int      # used for the generics stack
@@ -114,8 +114,8 @@ proc scopeDepth*(c: PContext): int {.inline.} =
 
 # owner handling:
 proc getCurrOwner*(): PSym
-proc PushOwner*(owner: PSym)
-proc PopOwner*()
+proc pushOwner*(owner: PSym)
+proc popOwner*()
 # implementation
 
 var gOwners*: seq[PSym] = @[]
@@ -128,13 +128,13 @@ proc getCurrOwner(): PSym =
   # BUGFIX: global array is needed!
   result = gOwners[high(gOwners)]
 
-proc PushOwner(owner: PSym) = 
+proc pushOwner(owner: PSym) = 
   add(gOwners, owner)
 
-proc PopOwner() = 
+proc popOwner() = 
   var length = len(gOwners)
   if length > 0: setlen(gOwners, length - 1)
-  else: InternalError("popOwner")
+  else: internalError("popOwner")
 
 proc lastOptionEntry(c: PContext): POptionEntry = 
   result = POptionEntry(c.optionStack.tail)
@@ -249,7 +249,7 @@ proc markIndirect*(c: PContext, s: PSym) {.inline.} =
     # XXX add to 'c' for global analysis
 
 proc illFormedAst*(n: PNode) =
-  GlobalError(n.info, errIllFormedAstX, renderTree(n, {renderNoComments}))
+  globalError(n.info, errIllFormedAstX, renderTree(n, {renderNoComments}))
 
 proc checkSonsLen*(n: PNode, length: int) = 
   if sonsLen(n) != length: illFormedAst(n)
diff --git a/compiler/semdestruct.nim b/compiler/semdestruct.nim
index 797d8895e..47d783818 100644
--- a/compiler/semdestruct.nim
+++ b/compiler/semdestruct.nim
@@ -15,9 +15,9 @@
 # generation (needed for recursive types)
 # 2) DestructorIsTrivial: completed the analysis before and determined
 # that the type has a trivial destructor
-var AnalyzingDestructor, DestructorIsTrivial: PSym
-new(AnalyzingDestructor)
-new(DestructorIsTrivial)
+var analyzingDestructor, destructorIsTrivial: PSym
+new(analyzingDestructor)
+new(destructorIsTrivial)
 
 var
   destructorName = getIdent"destroy_"
diff --git a/compiler/semexprs.nim b/compiler/semexprs.nim
index c45b83095..5f41a8dd9 100644
--- a/compiler/semexprs.nim
+++ b/compiler/semexprs.nim
@@ -1176,7 +1176,7 @@ proc semAsgn(c: PContext, n: PNode): PNode =
     asgnToResultVar(c, n, n.sons[0], n.sons[1])
   result = n
 
-proc SemReturn(c: PContext, n: PNode): PNode =
+proc semReturn(c: PContext, n: PNode): PNode =
   result = n
   checkSonsLen(n, 1)
   if c.p.owner.kind in {skConverter, skMethod, skProc, skMacro} or
@@ -1223,7 +1223,7 @@ proc semProcBody(c: PContext, n: PNode): PNode =
     discardCheck(c, result)
   closeScope(c)
 
-proc SemYieldVarResult(c: PContext, n: PNode, restype: PType) =
+proc semYieldVarResult(c: PContext, n: PNode, restype: PType) =
   var t = skipTypes(restype, {tyGenericInst})
   case t.kind
   of tyVar:
@@ -1242,7 +1242,7 @@ proc SemYieldVarResult(c: PContext, n: PNode, restype: PType) =
           localError(n.sons[0].info, errXExpected, "tuple constructor")
   else: nil
   
-proc SemYield(c: PContext, n: PNode): PNode =
+proc semYield(c: PContext, n: PNode): PNode =
   result = n
   checkSonsLen(n, 1)
   if c.p.owner == nil or c.p.owner.kind != skIterator:
@@ -1267,30 +1267,30 @@ proc lookUpForDefined(c: PContext, i: PIdent, onlyCurrentScope: bool): PSym =
   else: 
     result = searchInScopes(c, i) # no need for stub loading
 
-proc LookUpForDefined(c: PContext, n: PNode, onlyCurrentScope: bool): PSym = 
+proc lookUpForDefined(c: PContext, n: PNode, onlyCurrentScope: bool): PSym = 
   case n.kind
   of nkIdent: 
-    result = LookupForDefined(c, n.ident, onlyCurrentScope)
+    result = lookupForDefined(c, n.ident, onlyCurrentScope)
   of nkDotExpr:
     result = nil
     if onlyCurrentScope: return 
     checkSonsLen(n, 2)
-    var m = LookupForDefined(c, n.sons[0], onlyCurrentScope)
+    var m = lookupForDefined(c, n.sons[0], onlyCurrentScope)
     if (m != nil) and (m.kind == skModule): 
       if (n.sons[1].kind == nkIdent): 
         var ident = n.sons[1].ident
         if m == c.module: 
-          result = StrTableGet(c.topLevelScope.symbols, ident)
+          result = strTableGet(c.topLevelScope.symbols, ident)
         else: 
-          result = StrTableGet(m.tab, ident)
+          result = strTableGet(m.tab, ident)
       else: 
-        LocalError(n.sons[1].info, errIdentifierExpected, "")
+        localError(n.sons[1].info, errIdentifierExpected, "")
   of nkAccQuoted:
     result = lookupForDefined(c, considerAcc(n), onlyCurrentScope)
   of nkSym:
     result = n.sym
   else: 
-    LocalError(n.info, errIdentifierExpected, renderTree(n))
+    localError(n.info, errIdentifierExpected, renderTree(n))
     result = nil
 
 proc semDefined(c: PContext, n: PNode, onlyCurrentScope: bool): PNode = 
diff --git a/compiler/semgnrc.nim b/compiler/semgnrc.nim
index d626d2eb2..760fd303f 100644
--- a/compiler/semgnrc.nim
+++ b/compiler/semgnrc.nim
@@ -73,7 +73,7 @@ proc semGenericStmtSymbol(c: PContext, n: PNode, s: PSym): PNode =
       result = n
   else: result = newSymNode(s, n.info)
 
-proc Lookup(c: PContext, n: PNode, flags: TSemGenericFlags, 
+proc lookup(c: PContext, n: PNode, flags: TSemGenericFlags, 
             ctx: var TIntSet): PNode =
   result = n
   let ident = considerAcc(n)
diff --git a/compiler/seminst.nim b/compiler/seminst.nim
index d7d64fd54..5a4b83240 100644
--- a/compiler/seminst.nim
+++ b/compiler/seminst.nim
@@ -50,7 +50,7 @@ proc sameInstantiation(a, b: TInstantiation): bool =
                           flags = {TypeDescExactMatch}): return
     result = true
 
-proc GenericCacheGet(genericSym: Psym, entry: TInstantiation): PSym =
+proc genericCacheGet(genericSym: Psym, entry: TInstantiation): PSym =
   if genericSym.procInstCache != nil:
     for inst in genericSym.procInstCache:
       if sameInstantiation(entry, inst[]):
@@ -257,7 +257,7 @@ proc fixupProcType(c: PContext, genericType: PType,
       result.sons[i] = fixupProcType(c, result.sons[i], inst)
     result = instGenericContainer(c, getInfoContext(-1), result)
   
-  else: nil
+  else: discard
 
 proc generateInstance(c: PContext, fn: PSym, pt: TIdTable,
                       info: TLineInfo): PSym =
@@ -290,7 +290,7 @@ proc generateInstance(c: PContext, fn: PSym, pt: TIdTable,
   instantiateGenericParamList(c, n.sons[genericParamsPos], pt, entry[])
   result.typ = fixupProcType(c, fn.typ, entry[])
   n.sons[genericParamsPos] = ast.emptyNode
-  var oldPrc = GenericCacheGet(fn, entry[])
+  var oldPrc = genericCacheGet(fn, entry[])
   if oldPrc == nil:
     fn.procInstCache.safeAdd(entry)
     c.generics.add(makeInstPair(fn, entry))
@@ -311,5 +311,3 @@ proc generateInstance(c: PContext, fn: PSym, pt: TIdTable,
   c.friendModule = oldFriend
   dec(c.InstCounter)
   if result.kind == skMethod: finishMethod(c, result)
-
-
diff --git a/compiler/semstmts.nim b/compiler/semstmts.nim
index 6f0cc3c8b..832e4e962 100644
--- a/compiler/semstmts.nim
+++ b/compiler/semstmts.nim
@@ -10,7 +10,7 @@
 ## this module does the semantic checking of statements
 #  included from sem.nim
 
-var EnforceVoidContext = PType(kind: tyStmt)
+var enforceVoidContext = PType(kind: tyStmt)
 
 proc semCommand(c: PContext, n: PNode): PNode =
   result = semExprNoType(c, n)
@@ -117,7 +117,7 @@ const
     nkElse, nkStmtListExpr, nkTryStmt, nkFinally, nkExceptBranch,
     nkElifBranch, nkElifExpr, nkElseExpr, nkBlockStmt, nkBlockExpr}
 
-proc ImplicitlyDiscardable(n: PNode): bool =
+proc implicitlyDiscardable(n: PNode): bool =
   var n = n
   while n.kind in skipForDiscardable: n = n.lastSon
   result = isCallExpr(n) and n.sons[0].kind == nkSym and 
@@ -197,7 +197,7 @@ proc semCase(c: PContext, n: PNode): PNode =
   of tyInt..tyInt64, tyChar, tyEnum, tyUInt..tyUInt32:
     chckCovered = true
   of tyFloat..tyFloat128, tyString, tyError:
-    nil
+    discard
   else:
     LocalError(n.info, errSelectorMustBeOfCertainTypes)
     return
@@ -501,7 +501,7 @@ proc semForObjectFields(c: TFieldsCtx, typ, forLoop, father: PNode) =
     father.add(SemStmt(c.c, body))
     dec c.c.InUnrolledContext
     closeScope(c.c)
-  of nkNilLit: nil
+  of nkNilLit: discard
   of nkRecCase:
     let L = forLoop.len
     let call = forLoop.sons[L-2]
@@ -793,7 +793,7 @@ proc typeSectionFinalPass(c: PContext, n: PNode) =
       st.sons[0].sym = newSym(skType, getIdent(s.name.s & ":ObjectType"),
                               getCurrOwner(), s.info)
 
-proc SemTypeSection(c: PContext, n: PNode): PNode =
+proc semTypeSection(c: PContext, n: PNode): PNode =
   typeSectionLeftSidePass(c, n)
   typeSectionRightSidePass(c, n)
   typeSectionFinalPass(c, n)
diff --git a/compiler/semtempl.nim b/compiler/semtempl.nim
index 0c7c2eff4..4f94cd1f6 100644
--- a/compiler/semtempl.nim
+++ b/compiler/semtempl.nim
@@ -380,7 +380,7 @@ proc semTemplBodyDirty(c: var TemplCtx, n: PNode): PNode =
   of nkBindStmt:
     result = semBindStmt(c.c, n, c.toBind)
   of nkEmpty, nkSym..nkNilLit:
-    nil
+    discard
   else:
     # dotExpr is ambiguous: note that we explicitely allow 'x.TemplateParam',
     # so we use the generic code for nkDotExpr too
@@ -503,7 +503,7 @@ proc semPatternBody(c: var TemplCtx, n: PNode): PNode =
       elif templToExpand(s):
         result = semPatternBody(c, semTemplateExpr(c.c, n, s, false))
       else:
-        nil
+        discard
         # we keep the ident unbound for matching instantiated symbols and
         # more flexibility
   
diff --git a/compiler/semtypes.nim b/compiler/semtypes.nim
index 6c9c476d9..1f995f5e7 100644
--- a/compiler/semtypes.nim
+++ b/compiler/semtypes.nim
@@ -356,7 +356,7 @@ proc semBranchRange(c: PContext, t, a, b: PNode, covered: var biggestInt): PNode
   if emptyRange(ac, bc): LocalError(b.info, errRangeIsEmpty)
   else: covered = covered + getOrdValue(bc) - getOrdValue(ac) + 1
 
-proc SemCaseBranchRange(c: PContext, t, b: PNode, 
+proc semCaseBranchRange(c: PContext, t, b: PNode, 
                         covered: var biggestInt): PNode = 
   checkSonsLen(b, 3)
   result = semBranchRange(c, t, b.sons[1], b.sons[2], covered)
diff --git a/compiler/semtypinst.nim b/compiler/semtypinst.nim
index 61c31a4fe..c872c39f3 100644
--- a/compiler/semtypinst.nim
+++ b/compiler/semtypinst.nim
@@ -68,9 +68,9 @@ type
     symMap*: TIdTable         # map PSym to PSym
     info*: TLineInfo
 
-proc ReplaceTypeVarsT*(cl: var TReplTypeVars, t: PType): PType
-proc ReplaceTypeVarsS(cl: var TReplTypeVars, s: PSym): PSym
-proc ReplaceTypeVarsN(cl: var TReplTypeVars, n: PNode): PNode
+proc replaceTypeVarsT*(cl: var TReplTypeVars, t: PType): PType
+proc replaceTypeVarsS(cl: var TReplTypeVars, s: PSym): PSym
+proc replaceTypeVarsN(cl: var TReplTypeVars, n: PNode): PNode
 
 proc prepareNode(cl: var TReplTypeVars, n: PNode): PNode =
   result = copyNode(n)
@@ -81,13 +81,13 @@ proc prepareNode(cl: var TReplTypeVars, n: PNode): PNode =
     if i == 0: result.add(n[i])
     else: result.add(prepareNode(cl, n[i]))
 
-proc ReplaceTypeVarsN(cl: var TReplTypeVars, n: PNode): PNode =
+proc replaceTypeVarsN(cl: var TReplTypeVars, n: PNode): PNode =
   if n == nil: return
   result = copyNode(n)
   result.typ = ReplaceTypeVarsT(cl, n.typ)
   case n.kind
   of nkNone..pred(nkSym), succ(nkSym)..nkNilLit:
-    nil
+    discard
   of nkSym:
     result.sym = ReplaceTypeVarsS(cl, n.sym)
   of nkRecWhen:
@@ -118,7 +118,7 @@ proc ReplaceTypeVarsN(cl: var TReplTypeVars, n: PNode): PNode =
       for i in countup(0, length - 1):
         result.sons[i] = ReplaceTypeVarsN(cl, n.sons[i])
   
-proc ReplaceTypeVarsS(cl: var TReplTypeVars, s: PSym): PSym = 
+proc replaceTypeVarsS(cl: var TReplTypeVars, s: PSym): PSym = 
   if s == nil: return nil
   result = PSym(idTableGet(cl.symMap, s))
   if result == nil: 
@@ -192,11 +192,11 @@ proc handleGenericInvokation(cl: var TReplTypeVars, t: PType): PType =
   rawAddSon(result, newbody)
   checkPartialConstructedType(cl.info, newbody)
   
-proc ReplaceTypeVarsT*(cl: var TReplTypeVars, t: PType): PType = 
+proc replaceTypeVarsT*(cl: var TReplTypeVars, t: PType): PType = 
   result = t
   if t == nil: return 
   case t.kind
-  of tyTypeClass: nil
+  of tyTypeClass: discard
   of tyGenericParam:
     result = lookupTypeVar(cl, t)
     if result.kind == tyGenericInvokation:
@@ -235,11 +235,10 @@ proc ReplaceTypeVarsT*(cl: var TReplTypeVars, t: PType): PType =
 proc generateTypeInstance*(p: PContext, pt: TIdTable, arg: PNode, 
                            t: PType): PType = 
   var cl: TReplTypeVars
-  InitIdTable(cl.symMap)
+  initIdTable(cl.symMap)
   copyIdTable(cl.typeMap, pt)
   cl.info = arg.info
   cl.c = p
   pushInfoContext(arg.info)
-  result = ReplaceTypeVarsT(cl, t)
+  result = replaceTypeVarsT(cl, t)
   popInfoContext()
-
diff --git a/compiler/service.nim b/compiler/service.nim
index 1de83af7c..1cae72f2a 100644
--- a/compiler/service.nim
+++ b/compiler/service.nim
@@ -29,7 +29,7 @@ var
     # the arguments to be passed to the program that
     # should be run
 
-proc ProcessCmdLine*(pass: TCmdLinePass, cmd: string) =
+proc processCmdLine*(pass: TCmdLinePass, cmd: string) =
   var p = parseopt.initOptParser(cmd)
   var argsCount = 0
   while true: 
diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim
index cacf4782e..7ccb1bdc1 100644
--- a/compiler/sigmatch.nim
+++ b/compiler/sigmatch.nim
@@ -887,7 +887,7 @@ proc matchUserTypeClass*(c: PContext, m: var TCandidate,
   result = arg
   put(m.bindings, f, a)
 
-proc ParamTypesMatchAux(c: PContext, m: var TCandidate, f, argType: PType,
+proc paramTypesMatchAux(c: PContext, m: var TCandidate, f, argType: PType,
                         argSemantized, argOrig: PNode): PNode =
   var
     r: TTypeRelation
@@ -1003,7 +1003,7 @@ proc ParamTypesMatchAux(c: PContext, m: var TCandidate, f, argType: PType,
         else:
           result = userConvMatch(c, m, base(f), a, arg)
 
-proc ParamTypesMatch*(c: PContext, m: var TCandidate, f, a: PType, 
+proc paramTypesMatch*(c: PContext, m: var TCandidate, f, a: PType, 
                       arg, argOrig: PNode): PNode =
   if arg == nil or arg.kind notin nkSymChoices:
     result = ParamTypesMatchAux(c, m, f, a, arg, argOrig)
@@ -1184,14 +1184,14 @@ proc matchesAux(c: PContext, n, nOrig: PNode,
           InternalError(n.sons[a].info, "matches")
           return
         formal = m.callee.n.sons[f].sym
-        if ContainsOrIncl(marker, formal.position): 
+        if containsOrIncl(marker, formal.position): 
           # already in namedParams:
-          LocalError(n.sons[a].info, errCannotBindXTwice, formal.name.s)
+          localError(n.sons[a].info, errCannotBindXTwice, formal.name.s)
           m.state = csNoMatch
           return 
         m.baseTypeMatch = false
         n.sons[a] = prepareOperand(c, formal.typ, n.sons[a])
-        var arg = ParamTypesMatch(c, m, formal.typ, n.sons[a].typ,
+        var arg = paramTypesMatch(c, m, formal.typ, n.sons[a].typ,
                                   n.sons[a], nOrig.sons[a])
         if arg == nil:
           m.state = csNoMatch
@@ -1228,7 +1228,7 @@ proc matches*(c: PContext, n, nOrig: PNode, m: var TCandidate) =
   var f = 1
   while f < sonsLen(m.callee.n):
     var formal = m.callee.n.sons[f].sym
-    if not ContainsOrIncl(marker, formal.position):
+    if not containsOrIncl(marker, formal.position):
       if formal.ast == nil:
         if formal.typ.kind == tyVarargs:
           var container = newNodeIT(nkBracket, n.info, arrayConstr(c, n.info))
diff --git a/compiler/suggest.nim b/compiler/suggest.nim
index 76a6c21d9..4f3172814 100644
--- a/compiler/suggest.nim
+++ b/compiler/suggest.nim
@@ -28,7 +28,7 @@ proc origModuleName(m: PSym): string =
            else:
              m.name.s
 
-proc SymToStr(s: PSym, isLocal: bool, section: string, li: TLineInfo): string = 
+proc symToStr(s: PSym, isLocal: bool, section: string, li: TLineInfo): string = 
   result = section
   result.add(sep)
   result.add($s.kind)
@@ -55,7 +55,7 @@ proc SymToStr(s: PSym, isLocal: bool, section: string, li: TLineInfo): string =
   when not defined(noDocgen):
     result.add(s.extractDocComment.escape)
 
-proc SymToStr(s: PSym, isLocal: bool, section: string): string = 
+proc symToStr(s: PSym, isLocal: bool, section: string): string = 
   result = SymToStr(s, isLocal, section, s.info)
 
 proc filterSym(s: PSym): bool {.inline.} =
diff --git a/compiler/syntaxes.nim b/compiler/syntaxes.nim
index 3965cb3fe..6970f0c44 100644
--- a/compiler/syntaxes.nim
+++ b/compiler/syntaxes.nim
@@ -40,7 +40,7 @@ proc parseTopLevelStmt*(p: var TParsers): PNode
 
 # implementation
 
-proc ParseFile(fileIdx: int32): PNode =
+proc parseFile(fileIdx: int32): PNode =
   var 
     p: TParsers
     f: tfile
@@ -74,7 +74,7 @@ proc parseTopLevelStmt(p: var TParsers): PNode =
     result = ast.emptyNode
     #skinEndX: result := pendx.parseTopLevelStmt(p.parser);
   
-proc UTF8_BOM(s: string): int = 
+proc utf8Bom(s: string): int = 
   if (s[0] == '\xEF') and (s[1] == '\xBB') and (s[2] == '\xBF'): 
     result = 3
   else: 
@@ -92,7 +92,7 @@ proc parsePipe(filename: string, inputStream: PLLStream): PNode =
   if s != nil: 
     var line = newStringOfCap(80)
     discard LLStreamReadLine(s, line)
-    var i = UTF8_Bom(line)
+    var i = utf8Bom(line)
     if containsShebang(line, i):
       discard LLStreamReadLine(s, line)
       i = 0
@@ -100,20 +100,20 @@ proc parsePipe(filename: string, inputStream: PLLStream): PNode =
       inc(i, 2)
       while line[i] in WhiteSpace: inc(i)
       var q: TParser
-      OpenParser(q, filename, LLStreamOpen(substr(line, i)))
+      openParser(q, filename, LLStreamOpen(substr(line, i)))
       result = parser.parseAll(q)
-      CloseParser(q)
+      closeParser(q)
     LLStreamClose(s)
 
 proc getFilter(ident: PIdent): TFilterKind = 
   for i in countup(low(TFilterKind), high(TFilterKind)): 
-    if IdentEq(ident, filterNames[i]): 
+    if identEq(ident, filterNames[i]): 
       return i
   result = filtNone
 
 proc getParser(ident: PIdent): TParserKind = 
   for i in countup(low(TParserKind), high(TParserKind)): 
-    if IdentEq(ident, parserNames[i]): 
+    if identEq(ident, parserNames[i]): 
       return i
   rawMessage(errInvalidDirectiveX, ident.s)
 
@@ -142,23 +142,23 @@ proc applyFilter(p: var TParsers, n: PNode, filename: string,
   if f != filtNone: 
     if gVerbosity >= 2: 
       rawMessage(hintCodeBegin, [])
-      MsgWriteln(result.s)
+      msgWriteln(result.s)
       rawMessage(hintCodeEnd, [])
 
 proc evalPipe(p: var TParsers, n: PNode, filename: string, 
               start: PLLStream): PLLStream = 
   result = start
   if n.kind == nkEmpty: return 
-  if (n.kind == nkInfix) and (n.sons[0].kind == nkIdent) and
-      IdentEq(n.sons[0].ident, "|"): 
-    for i in countup(1, 2): 
-      if n.sons[i].kind == nkInfix: 
+  if n.kind == nkInfix and n.sons[0].kind == nkIdent and
+      identEq(n.sons[0].ident, "|"):
+    for i in countup(1, 2):
+      if n.sons[i].kind == nkInfix:
         result = evalPipe(p, n.sons[i], filename, result)
-      else: 
+      else:
         result = applyFilter(p, n.sons[i], filename, result)
-  elif n.kind == nkStmtList: 
+  elif n.kind == nkStmtList:
     result = evalPipe(p, n.sons[0], filename, result)
-  else: 
+  else:
     result = applyFilter(p, n, filename, result)
   
 proc openParsers(p: var TParsers, fileIdx: int32, inputstream: PLLStream) = 
diff --git a/compiler/transf.nim b/compiler/transf.nim
index 77642a3b8..d6f54eddb 100644
--- a/compiler/transf.nim
+++ b/compiler/transf.nim
@@ -719,7 +719,7 @@ proc processTransf(c: PTransf, n: PNode, owner: PSym): PNode =
   # Note: For interactive mode we cannot call 'passes.skipCodegen' and skip
   # this step! We have to rely that the semantic pass transforms too errornous
   # nodes into an empty node.
-  if passes.skipCodegen(n) or c.fromCache or nfTransf in n.flags: return n
+  if c.fromCache or nfTransf in n.flags: return n
   pushTransCon(c, newTransCon(owner))
   result = PNode(transform(c, n))
   popTransCon(c)
diff --git a/compiler/trees.nim b/compiler/trees.nim
index ab5c97a19..ea2f8fbf1 100644
--- a/compiler/trees.nim
+++ b/compiler/trees.nim
@@ -36,7 +36,7 @@ proc cyclicTree*(n: PNode): bool =
   var s = newNodeI(nkEmpty, n.info)
   result = cyclicTreeAux(n, s)
 
-proc ExprStructuralEquivalent*(a, b: PNode): bool = 
+proc exprStructuralEquivalent*(a, b: PNode): bool = 
   result = false
   if a == b: 
     result = true
@@ -53,17 +53,17 @@ proc ExprStructuralEquivalent*(a, b: PNode): bool =
     else: 
       if sonsLen(a) == sonsLen(b): 
         for i in countup(0, sonsLen(a) - 1): 
-          if not ExprStructuralEquivalent(a.sons[i], b.sons[i]): return 
+          if not exprStructuralEquivalent(a.sons[i], b.sons[i]): return 
         result = true
   
-proc sameTree*(a, b: PNode): bool = 
+proc sameTree*(a, b: PNode): bool =
   result = false
-  if a == b: 
+  if a == b:
     result = true
-  elif (a != nil) and (b != nil) and (a.kind == b.kind): 
-    if a.flags != b.flags: return 
-    if a.info.line != b.info.line: return 
-    if a.info.col != b.info.col: 
+  elif a != nil and b != nil and a.kind == b.kind:
+    if a.flags != b.flags: return
+    if a.info.line != b.info.line: return
+    if a.info.col != b.info.col:
       return                  #if a.info.fileIndex <> b.info.fileIndex then exit;
     case a.kind
     of nkSym: 
@@ -74,7 +74,7 @@ proc sameTree*(a, b: PNode): bool =
     of nkFloatLit..nkFloat64Lit: result = a.floatVal == b.floatVal
     of nkStrLit..nkTripleStrLit: result = a.strVal == b.strVal
     of nkEmpty, nkNilLit, nkType: result = true
-    else: 
+    else:
       if sonsLen(a) == sonsLen(b): 
         for i in countup(0, sonsLen(a) - 1): 
           if not sameTree(a.sons[i], b.sons[i]): return 
@@ -84,13 +84,13 @@ proc getProcSym*(call: PNode): PSym =
   result = call.sons[0].sym
 
 proc getOpSym*(op: PNode): PSym = 
-  if not (op.kind in {nkCall, nkHiddenCallConv, nkCommand, nkCallStrLit}): 
+  if op.kind notin {nkCall, nkHiddenCallConv, nkCommand, nkCallStrLit}:
     result = nil
-  else: 
-    if (sonsLen(op) <= 0): InternalError(op.info, "getOpSym")
+  else:
+    if sonsLen(op) <= 0: internalError(op.info, "getOpSym")
     elif op.sons[0].Kind == nkSym: result = op.sons[0].sym
     else: result = nil
-  
+
 proc getMagic*(op: PNode): TMagic = 
   case op.kind
   of nkCallKinds:
@@ -99,7 +99,7 @@ proc getMagic*(op: PNode): TMagic =
     else: result = mNone
   else: result = mNone
   
-proc TreeToSym*(t: PNode): PSym = 
+proc treeToSym*(t: PNode): PSym = 
   result = t.sym
 
 proc isConstExpr*(n: PNode): bool = 
@@ -118,7 +118,7 @@ proc isDeepConstExpr*(n: PNode): bool =
     for i in 0 .. <n.len:
       if not isDeepConstExpr(n.sons[i]): return false
     result = true
-  else: nil
+  else: discard
 
 proc flattenTreeAux(d, a: PNode, op: TMagic) = 
   if (getMagic(a) == op):     # a is a "leaf", so add it:
@@ -129,17 +129,17 @@ proc flattenTreeAux(d, a: PNode, op: TMagic) =
   
 proc flattenTree*(root: PNode, op: TMagic): PNode = 
   result = copyNode(root)
-  if (getMagic(root) == op): 
+  if getMagic(root) == op:
     # BUGFIX: forget to copy prc
     addSon(result, copyNode(root.sons[0]))
     flattenTreeAux(result, root, op)
 
-proc SwapOperands*(op: PNode) = 
+proc swapOperands*(op: PNode) = 
   var tmp = op.sons[1]
   op.sons[1] = op.sons[2]
   op.sons[2] = tmp
 
-proc IsRange*(n: PNode): bool {.inline.} = 
+proc isRange*(n: PNode): bool {.inline.} = 
   if n.kind == nkInfix:
     if n[0].kind == nkIdent and n[0].ident.id == ord(wDotDot) or
         n[0].kind in {nkClosedSymChoice, nkOpenSymChoice} and 
diff --git a/compiler/treetab.nim b/compiler/treetab.nim
index 75e3fd20a..d28dcd236 100644
--- a/compiler/treetab.nim
+++ b/compiler/treetab.nim
@@ -17,7 +17,7 @@ proc hashTree(n: PNode): THash =
   result = ord(n.kind)
   case n.kind
   of nkEmpty, nkNilLit, nkType: 
-    nil
+    discard
   of nkIdent: 
     result = result !& n.ident.h
   of nkSym:
@@ -34,7 +34,7 @@ proc hashTree(n: PNode): THash =
     for i in countup(0, sonsLen(n) - 1): 
       result = result !& hashTree(n.sons[i])
   
-proc TreesEquivalent(a, b: PNode): bool = 
+proc treesEquivalent(a, b: PNode): bool = 
   if a == b: 
     result = true
   elif (a != nil) and (b != nil) and (a.kind == b.kind): 
@@ -48,24 +48,24 @@ proc TreesEquivalent(a, b: PNode): bool =
     else: 
       if sonsLen(a) == sonsLen(b): 
         for i in countup(0, sonsLen(a) - 1): 
-          if not TreesEquivalent(a.sons[i], b.sons[i]): return 
+          if not treesEquivalent(a.sons[i], b.sons[i]): return 
         result = true
     if result: result = sameTypeOrNil(a.typ, b.typ)
   
-proc NodeTableRawGet(t: TNodeTable, k: THash, key: PNode): int = 
+proc nodeTableRawGet(t: TNodeTable, k: THash, key: PNode): int = 
   var h: THash = k and high(t.data)
   while t.data[h].key != nil: 
-    if (t.data[h].h == k) and TreesEquivalent(t.data[h].key, key): 
+    if (t.data[h].h == k) and treesEquivalent(t.data[h].key, key): 
       return h
     h = nextTry(h, high(t.data))
   result = -1
 
-proc NodeTableGet*(t: TNodeTable, key: PNode): int = 
-  var index = NodeTableRawGet(t, hashTree(key), key)
+proc nodeTableGet*(t: TNodeTable, key: PNode): int = 
+  var index = nodeTableRawGet(t, hashTree(key), key)
   if index >= 0: result = t.data[index].val
   else: result = low(int)
   
-proc NodeTableRawInsert(data: var TNodePairSeq, k: THash, key: PNode, 
+proc nodeTableRawInsert(data: var TNodePairSeq, k: THash, key: PNode, 
                         val: int) = 
   var h: THash = k and high(data)
   while data[h].key != nil: h = nextTry(h, high(data))
@@ -74,7 +74,7 @@ proc NodeTableRawInsert(data: var TNodePairSeq, k: THash, key: PNode,
   data[h].key = key
   data[h].val = val
 
-proc NodeTablePut*(t: var TNodeTable, key: PNode, val: int) = 
+proc nodeTablePut*(t: var TNodeTable, key: PNode, val: int) = 
   var n: TNodePairSeq
   var k: THash = hashTree(key)
   var index = NodeTableRawGet(t, k, key)
@@ -86,15 +86,15 @@ proc NodeTablePut*(t: var TNodeTable, key: PNode, val: int) =
       newSeq(n, len(t.data) * growthFactor)
       for i in countup(0, high(t.data)): 
         if t.data[i].key != nil: 
-          NodeTableRawInsert(n, t.data[i].h, t.data[i].key, t.data[i].val)
+          nodeTableRawInsert(n, t.data[i].h, t.data[i].key, t.data[i].val)
       swap(t.data, n)
-    NodeTableRawInsert(t.data, k, key, val)
+    nodeTableRawInsert(t.data, k, key, val)
     inc(t.counter)
 
-proc NodeTableTestOrSet*(t: var TNodeTable, key: PNode, val: int): int = 
+proc nodeTableTestOrSet*(t: var TNodeTable, key: PNode, val: int): int = 
   var n: TNodePairSeq
   var k: THash = hashTree(key)
-  var index = NodeTableRawGet(t, k, key)
+  var index = nodeTableRawGet(t, k, key)
   if index >= 0: 
     assert(t.data[index].key != nil)
     result = t.data[index].val
@@ -103,8 +103,8 @@ proc NodeTableTestOrSet*(t: var TNodeTable, key: PNode, val: int): int =
       newSeq(n, len(t.data) * growthFactor)
       for i in countup(0, high(t.data)): 
         if t.data[i].key != nil: 
-          NodeTableRawInsert(n, t.data[i].h, t.data[i].key, t.data[i].val)
+          nodeTableRawInsert(n, t.data[i].h, t.data[i].key, t.data[i].val)
       swap(t.data, n)
-    NodeTableRawInsert(t.data, k, key, val)
+    nodeTableRawInsert(t.data, k, key, val)
     result = val
     inc(t.counter)
diff --git a/compiler/types.nim b/compiler/types.nim
index 7e07a0667..be948246c 100644
--- a/compiler/types.nim
+++ b/compiler/types.nim
@@ -19,7 +19,7 @@ type
   TPreferedDesc* = enum 
     preferName, preferDesc, preferExported
 
-proc TypeToString*(typ: PType, prefer: TPreferedDesc = preferName): string
+proc typeToString*(typ: PType, prefer: TPreferedDesc = preferName): string
 proc getProcHeader*(sym: PSym): string
 proc base*(t: PType): PType
   # ------------------- type iterator: ----------------------------------------
@@ -28,7 +28,7 @@ type
   TTypeMutator* = proc (t: PType, closure: PObject): PType {.nimcall.} # copy t and mutate it
   TTypePredicate* = proc (t: PType): bool {.nimcall.}
 
-proc IterOverType*(t: PType, iter: TTypeIter, closure: PObject): bool
+proc iterOverType*(t: PType, iter: TTypeIter, closure: PObject): bool
   # Returns result of `iter`.
 proc mutateType*(t: PType, iter: TTypeMutator, closure: PObject): PType
   # Returns result of `iter`.
@@ -74,7 +74,7 @@ proc getOrdValue*(n: PNode): biggestInt
 proc computeSize*(typ: PType): biggestInt
 proc getSize*(typ: PType): biggestInt
 proc isPureObject*(typ: PType): bool
-proc InvalidGenericInst*(f: PType): bool
+proc invalidGenericInst*(f: PType): bool
   # for debugging
 type 
   TTypeFieldResult* = enum 
@@ -89,8 +89,8 @@ proc analyseObjectWithTypeField*(t: PType): TTypeFieldResult
 proc typeAllowed*(t: PType, kind: TSymKind): bool
 # implementation
 
-proc InvalidGenericInst(f: PType): bool = 
-  result = (f.kind == tyGenericInst) and (lastSon(f) == nil)
+proc invalidGenericInst(f: PType): bool = 
+  result = f.kind == tyGenericInst and lastSon(f) == nil
 
 proc isPureObject(typ: PType): bool = 
   var t = typ
@@ -132,7 +132,7 @@ proc getProcHeader(sym: PSym): string =
       add(result, typeToString(p.sym.typ))
       if i != sonsLen(n)-1: add(result, ", ")
     else:
-      InternalError("getProcHeader")
+      internalError("getProcHeader")
   add(result, ')')
   if n.sons[0].typ != nil: result.add(": " & typeToString(n.sons[0].typ))
   
@@ -194,7 +194,7 @@ proc iterOverTypeAux(marker: var TIntSet, t: PType, iter: TTypeIter,
         if result: return 
       if t.n != nil: result = iterOverNode(marker, t.n, iter, closure)
   
-proc IterOverType(t: PType, iter: TTypeIter, closure: PObject): bool = 
+proc iterOverType(t: PType, iter: TTypeIter, closure: PObject): bool = 
   var marker = InitIntSet()
   result = iterOverTypeAux(marker, t, iter, closure)
 
@@ -242,7 +242,7 @@ proc searchTypeForAux(t: PType, predicate: TTypePredicate,
       result = searchTypeForAux(t.sons[i], predicate, marker)
       if result: return 
   else: 
-    nil
+    discard
 
 proc searchTypeFor(t: PType, predicate: TTypePredicate): bool = 
   var marker = InitIntSet()
@@ -284,7 +284,7 @@ proc analyseObjectWithTypeFieldAux(t: PType,
       if res != frNone: 
         return frEmbedded
   else: 
-    nil
+    discard
 
 proc analyseObjectWithTypeField(t: PType): TTypeFieldResult = 
   var marker = InitIntSet()
@@ -322,7 +322,7 @@ proc canFormAcycleNode(marker: var TIntSet, n: PNode, startId: int): bool =
     if not result: 
       case n.kind
       of nkNone..nkNilLit: 
-        nil
+        discard
       else: 
         for i in countup(0, sonsLen(n) - 1): 
           result = canFormAcycleNode(marker, n.sons[i], startId)
@@ -367,6 +367,7 @@ proc mutateNode(marker: var TIntSet, n: PNode, iter: TTypeMutator,
     case n.kind
     of nkNone..nkNilLit: 
       # a leaf
+      discard
     else: 
       for i in countup(0, sonsLen(n) - 1): 
         addSon(result, mutateNode(marker, n.sons[i], iter, closure))
@@ -422,7 +423,7 @@ proc constraintsToStr(t: PType): string =
     if i > 0: result.add(sep)
     result.add(t.sons[i].consToStr)
 
-proc TypeToString(typ: PType, prefer: TPreferedDesc = preferName): string =
+proc typeToString(typ: PType, prefer: TPreferedDesc = preferName): string =
   var t = typ
   result = ""
   if t == nil: return 
@@ -553,7 +554,7 @@ proc firstOrd(t: PType): biggestInt =
   of tyGenericInst, tyDistinct, tyConst, tyMutable, tyTypeDesc:
     result = firstOrd(lastSon(t))
   else: 
-    InternalError("invalid kind for first(" & $t.kind & ')')
+    internalError("invalid kind for first(" & $t.kind & ')')
     result = 0
 
 proc lastOrd(t: PType): biggestInt = 
@@ -587,7 +588,7 @@ proc lastOrd(t: PType): biggestInt =
     result = lastOrd(lastSon(t))
   of tyProxy: result = 0
   else: 
-    InternalError("invalid kind for last(" & $t.kind & ')')
+    internalError("invalid kind for last(" & $t.kind & ')')
     result = 0
 
 proc lengthOrd(t: PType): biggestInt = 
@@ -621,7 +622,7 @@ type
 
 proc initSameTypeClosure: TSameTypeClosure =
   # we do the initialization lazily for performance (avoids memory allocations)
-  nil
+  discard
   
 proc containsOrIncl(c: var TSameTypeClosure, a, b: PType): bool =
   result = not IsNil(c.s) and c.s.contains((a.id, b.id))
@@ -629,15 +630,15 @@ proc containsOrIncl(c: var TSameTypeClosure, a, b: PType): bool =
     if IsNil(c.s): c.s = @[]
     c.s.add((a.id, b.id))
 
-proc SameTypeAux(x, y: PType, c: var TSameTypeClosure): bool
-proc SameTypeOrNilAux(a, b: PType, c: var TSameTypeClosure): bool =
+proc sameTypeAux(x, y: PType, c: var TSameTypeClosure): bool
+proc sameTypeOrNilAux(a, b: PType, c: var TSameTypeClosure): bool =
   if a == b:
     result = true
   else:
     if a == nil or b == nil: result = false
     else: result = SameTypeAux(a, b, c)
 
-proc SameTypeOrNil*(a, b: PType, flags: TTypeCmpFlags = {}): bool =
+proc sameTypeOrNil*(a, b: PType, flags: TTypeCmpFlags = {}): bool =
   if a == b:
     result = true
   else: 
@@ -676,7 +677,7 @@ proc equalParams(a, b: PNode): TParamsEquality =
       of paramsNotEqual: 
         return paramsNotEqual
       of paramsEqual: 
-        nil
+        discard
       of paramsIncompatible: 
         result = paramsIncompatible
       if (m.name.id != n.name.id): 
@@ -730,7 +731,7 @@ proc sameTuple(a, b: PType, c: var TSameTypeClosure): bool =
   else:
     result = false
 
-template IfFastObjectTypeCheckFailed(a, b: PType, body: stmt) {.immediate.} =
+template ifFastObjectTypeCheckFailed(a, b: PType, body: stmt) {.immediate.} =
   if tfFromGeneric notin a.flags + b.flags:
     # fast case: id comparison suffices:
     result = a.id == b.id
@@ -751,7 +752,7 @@ template IfFastObjectTypeCheckFailed(a, b: PType, body: stmt) {.immediate.} =
 
 proc sameObjectTypes*(a, b: PType): bool =
   # specialized for efficiency (sigmatch uses it)
-  IfFastObjectTypeCheckFailed(a, b):     
+  ifFastObjectTypeCheckFailed(a, b):     
     var c = initSameTypeClosure()
     result = sameTypeAux(a, b, c)    
 
@@ -761,7 +762,7 @@ proc sameDistinctTypes*(a, b: PType): bool {.inline.} =
 proc sameEnumTypes*(a, b: PType): bool {.inline.} =
   result = a.id == b.id
 
-proc SameObjectTree(a, b: PNode, c: var TSameTypeClosure): bool =
+proc sameObjectTree(a, b: PNode, c: var TSameTypeClosure): bool =
   if a == b:
     result = true
   elif (a != nil) and (b != nil) and (a.kind == b.kind):
@@ -778,26 +779,26 @@ proc SameObjectTree(a, b: PNode, c: var TSameTypeClosure): bool =
       else:
         if sonsLen(a) == sonsLen(b): 
           for i in countup(0, sonsLen(a) - 1): 
-            if not SameObjectTree(a.sons[i], b.sons[i], c): return 
+            if not sameObjectTree(a.sons[i], b.sons[i], c): return 
           result = true
 
 proc sameObjectStructures(a, b: PType, c: var TSameTypeClosure): bool =
   # check base types:
   if sonsLen(a) != sonsLen(b): return
   for i in countup(0, sonsLen(a) - 1):
-    if not SameTypeOrNilAux(a.sons[i], b.sons[i], c): return
-  if not SameObjectTree(a.n, b.n, c): return
+    if not sameTypeOrNilAux(a.sons[i], b.sons[i], c): return
+  if not sameObjectTree(a.n, b.n, c): return
   result = true
 
 proc sameChildrenAux(a, b: PType, c: var TSameTypeClosure): bool =
   if sonsLen(a) != sonsLen(b): return false
   result = true
   for i in countup(0, sonsLen(a) - 1):
-    result = SameTypeOrNilAux(a.sons[i], b.sons[i], c)
+    result = sameTypeOrNilAux(a.sons[i], b.sons[i], c)
     if not result: return 
 
-proc SameTypeAux(x, y: PType, c: var TSameTypeClosure): bool =
-  template CycleCheck() =
+proc sameTypeAux(x, y: PType, c: var TSameTypeClosure): bool =
+  template cycleCheck() =
     # believe it or not, the direct check for ``containsOrIncl(c, a, b)``
     # increases bootstrapping time from 2.4s to 3.3s on my laptop! So we cheat
     # again: Since the recursion check is only to not get caught in an endless
@@ -831,16 +832,16 @@ proc SameTypeAux(x, y: PType, c: var TSameTypeClosure): bool =
      tyInt..tyBigNum, tyStmt:
     result = sameFlags(a, b)
   of tyExpr:
-    result = ExprStructuralEquivalent(a.n, b.n) and sameFlags(a, b)
+    result = exprStructuralEquivalent(a.n, b.n) and sameFlags(a, b)
   of tyObject:
-    IfFastObjectTypeCheckFailed(a, b):
+    ifFastObjectTypeCheckFailed(a, b):
       CycleCheck()
       result = sameObjectStructures(a, b, c) and sameFlags(a, b)
   of tyDistinct:
-    CycleCheck()
+    cycleCheck()
     if c.cmp == dcEq:      
       if sameFlags(a, b):
-        IfFastObjectTypeCheckFailed(a, b):
+        ifFastObjectTypeCheckFailed(a, b):
           result = sameTypeAux(a.sons[0], b.sons[0], c)     
     else: 
       result = sameTypeAux(a.sons[0], b.sons[0], c) and sameFlags(a, b)
@@ -848,14 +849,14 @@ proc SameTypeAux(x, y: PType, c: var TSameTypeClosure): bool =
     # XXX generic enums do not make much sense, but require structural checking
     result = a.id == b.id and sameFlags(a, b)
   of tyTuple:
-    CycleCheck()
+    cycleCheck()
     result = sameTuple(a, b, c) and sameFlags(a, b)
   of tyGenericInst:    
     result = sameTypeAux(lastSon(a), lastSon(b), c)
   of tyTypeDesc:
     if c.cmp == dcEqIgnoreDistinct: result = false
     elif TypeDescExactMatch in c.flags:
-      CycleCheck()
+      cycleCheck()
       result = sameChildrenAux(x, y, c) and sameFlags(a, b)
     else:
       result = sameFlags(a, b)
@@ -863,15 +864,15 @@ proc SameTypeAux(x, y: PType, c: var TSameTypeClosure): bool =
      tyOpenArray, tySet, tyRef, tyPtr, tyVar, tyArrayConstr,
      tyArray, tyProc, tyConst, tyMutable, tyVarargs, tyIter,
      tyOrdinal, tyTypeClasses:
-    CycleCheck()    
+    cycleCheck()    
     result = sameChildrenAux(a, b, c) and sameFlags(a, b)
-    if result and (a.kind == tyProc):
+    if result and a.kind == tyProc:
       result = a.callConv == b.callConv
   of tyRange:
-    CycleCheck()
-    result = SameTypeOrNilAux(a.sons[0], b.sons[0], c) and
-        SameValue(a.n.sons[0], b.n.sons[0]) and
-        SameValue(a.n.sons[1], b.n.sons[1])
+    cycleCheck()
+    result = sameTypeOrNilAux(a.sons[0], b.sons[0], c) and
+        sameValue(a.n.sons[0], b.n.sons[0]) and
+        sameValue(a.n.sons[1], b.n.sons[1])
   of tyNone: result = false  
 
 proc sameType*(x, y: PType): bool =
@@ -954,7 +955,7 @@ proc typeAllowedNode(marker: var TIntSet, n: PNode, kind: TSymKind,
     if result: 
       case n.kind
       of nkNone..nkNilLit: 
-        nil
+        discard
       else: 
         for i in countup(0, sonsLen(n) - 1): 
           result = typeAllowedNode(marker, n.sons[i], kind, flags)
diff --git a/compiler/vm.nim b/compiler/vm.nim
index 709baf7b2..a89ad74bd 100644
--- a/compiler/vm.nim
+++ b/compiler/vm.nim
@@ -109,7 +109,7 @@ template decodeBx(k: expr) {.immediate, dirty.} =
   let rbx = instr.regBx - wordExcess
   ensureKind(k)
 
-template move(a, b: expr) = system.shallowCopy(a, b)
+template move(a, b: expr) {.immediate, dirty.} = system.shallowCopy(a, b)
 # XXX fix minor 'shallowCopy' overloading bug in compiler
 
 proc moveConst(x, y: PNode) =
diff --git a/compiler/vmgen.nim b/compiler/vmgen.nim
index ab120f008..d9cbb1514 100644
--- a/compiler/vmgen.nim
+++ b/compiler/vmgen.nim
@@ -1295,7 +1295,7 @@ proc gen(c: PCtx; n: PNode; dest: var TDest) =
     else:
       dest = tmp0
   of nkEmpty, nkCommentStmt, nkTypeSection, nkConstSection, nkPragma,
-     nkTemplateDef, nkIncludeStmt, nkImportStmt:
+     nkTemplateDef, nkIncludeStmt, nkImportStmt, nkFromStmt:
     unused(n, dest)
   of nkStringToCString, nkCStringToString:
     gen(c, n.sons[0], dest)
diff --git a/doc/manual.txt b/doc/manual.txt
index fd3db1b0d..5024fffec 100644
--- a/doc/manual.txt
+++ b/doc/manual.txt
@@ -4574,6 +4574,8 @@ the support of destructors.
 delegator pragma
 ----------------
 
+**Note**: The design of the delegator feature is subject to change.
+
 The delegator pragma can be used to intercept and rewrite proc call and field
 access attempts referring to previously undeclared symbol names. It can be used
 to provide a fluent interface to objects lying outside the static confines of
diff --git a/lib/impure/rdstdin.nim b/lib/impure/rdstdin.nim
index cf076e929..c32a59b24 100644
--- a/lib/impure/rdstdin.nim
+++ b/lib/impure/rdstdin.nim
@@ -14,13 +14,13 @@
 ## wanted functionality.
 
 when defined(Windows):
-  proc ReadLineFromStdin*(prompt: string): TaintedString {.
+  proc readLineFromStdin*(prompt: string): TaintedString {.
                           tags: [FReadIO, FWriteIO].} = 
     ## Reads a line from stdin.
     stdout.write(prompt)
     result = readLine(stdin)
 
-  proc ReadLineFromStdin*(prompt: string, line: var TaintedString): bool {.
+  proc readLineFromStdin*(prompt: string, line: var TaintedString): bool {.
                           tags: [FReadIO, FWriteIO].} =
     ## Reads a `line` from stdin. `line` must not be
     ## ``nil``! May throw an IO exception.
@@ -34,7 +34,7 @@ when defined(Windows):
 else:
   import readline, history
     
-  proc ReadLineFromStdin*(prompt: string): TaintedString {.
+  proc readLineFromStdin*(prompt: string): TaintedString {.
                           tags: [FReadIO, FWriteIO].} =
     var buffer = readline.readLine(prompt)
     if isNil(buffer): quit(0)
@@ -43,7 +43,7 @@ else:
       add_history(buffer)
     readline.free(buffer)
 
-  proc ReadLineFromStdin*(prompt: string, line: var TaintedString): bool {.
+  proc readLineFromStdin*(prompt: string, line: var TaintedString): bool {.
                           tags: [FReadIO, FWriteIO].} =
     var buffer = readline.readLine(prompt)
     if isNil(buffer): quit(0)
diff --git a/lib/packages/docutils/rstast.nim b/lib/packages/docutils/rstast.nim
index 3d191dacb..c2ff53b58 100644
--- a/lib/packages/docutils/rstast.nim
+++ b/lib/packages/docutils/rstast.nim
@@ -120,11 +120,11 @@ proc renderRstToRst(d: var TRenderContext, n: PRstNode, result: var string) =
     
     let oldLen = result.len
     renderRstSons(d, n, result)
-    let HeadlineLen = result.len - oldLen
+    let headlineLen = result.len - oldLen
 
     result.add("\n")
     result.add(ind)
-    result.add repeatChar(HeadlineLen, lvlToChar[n.level])
+    result.add repeatChar(headlineLen, lvlToChar[n.level])
   of rnOverline:
     result.add("\n")
     result.add(ind)
diff --git a/lib/packages/docutils/rstgen.nim b/lib/packages/docutils/rstgen.nim
index 09c6ba8b8..157e04d5b 100644
--- a/lib/packages/docutils/rstgen.nim
+++ b/lib/packages/docutils/rstgen.nim
@@ -263,14 +263,14 @@ proc `<-`(a: var TIndexEntry, b: TIndexEntry) =
 
 proc sortIndex(a: var openArray[TIndexEntry]) =
   # we use shellsort here; fast and simple
-  let N = len(a)
+  let n = len(a)
   var h = 1
   while true:
     h = 3 * h + 1
-    if h > N: break
+    if h > n: break
   while true:
     h = h div 3
-    for i in countup(h, N - 1):
+    for i in countup(h, n - 1):
       var v: TIndexEntry
       v <- a[i]
       var j = i
diff --git a/lib/pure/collections/intsets.nim b/lib/pure/collections/intsets.nim
index 2a8d7eec2..367caf2e7 100644
--- a/lib/pure/collections/intsets.nim
+++ b/lib/pure/collections/intsets.nim
@@ -50,7 +50,7 @@ proc mustRehash(length, counter: int): bool {.inline.} =
 proc nextTry(h, maxHash: THash): THash {.inline.} = 
   result = ((5 * h) + 1) and maxHash 
 
-proc IntSetGet(t: TIntSet, key: int): PTrunk = 
+proc intSetGet(t: TIntSet, key: int): PTrunk = 
   var h = key and t.max
   while t.data[h] != nil: 
     if t.data[h].key == key: 
@@ -58,7 +58,7 @@ proc IntSetGet(t: TIntSet, key: int): PTrunk =
     h = nextTry(h, t.max)
   result = nil
 
-proc IntSetRawInsert(t: TIntSet, data: var TTrunkSeq, desc: PTrunk) = 
+proc intSetRawInsert(t: TIntSet, data: var TTrunkSeq, desc: PTrunk) = 
   var h = desc.key and t.max
   while data[h] != nil: 
     assert(data[h] != desc)
@@ -66,7 +66,7 @@ proc IntSetRawInsert(t: TIntSet, data: var TTrunkSeq, desc: PTrunk) =
   assert(data[h] == nil)
   data[h] = desc
 
-proc IntSetEnlarge(t: var TIntSet) = 
+proc intSetEnlarge(t: var TIntSet) = 
   var n: TTrunkSeq
   var oldMax = t.max
   t.max = ((t.max + 1) * 2) - 1
@@ -75,7 +75,7 @@ proc IntSetEnlarge(t: var TIntSet) =
     if t.data[i] != nil: IntSetRawInsert(t, n, t.data[i])
   swap(t.data, n)
 
-proc IntSetPut(t: var TIntSet, key: int): PTrunk = 
+proc intSetPut(t: var TIntSet, key: int): PTrunk = 
   var h = key and t.max
   while t.data[h] != nil: 
     if t.data[h].key == key: 
diff --git a/lib/pure/collections/lists.nim b/lib/pure/collections/lists.nim
index ad8eca6a9..b8f8d20b5 100644
--- a/lib/pure/collections/lists.nim
+++ b/lib/pure/collections/lists.nim
@@ -41,19 +41,19 @@ type
 
 proc initSinglyLinkedList*[T](): TSinglyLinkedList[T] =
   ## creates a new singly linked list that is empty.
-  nil
+  discard
 
 proc initDoublyLinkedList*[T](): TDoublyLinkedList[T] =
   ## creates a new doubly linked list that is empty.
-  nil
+  discard
 
 proc initSinglyLinkedRing*[T](): TSinglyLinkedRing[T] =
   ## creates a new singly linked ring that is empty.
-  nil
+  discard
 
 proc initDoublyLinkedRing*[T](): TDoublyLinkedRing[T] =
   ## creates a new doubly linked ring that is empty.
-  nil
+  discard
 
 proc newDoublyLinkedNode*[T](value: T): PDoublyLinkedNode[T] =
   ## creates a new doubly linked node with the given `value`.
diff --git a/lib/pure/collections/tables.nim b/lib/pure/collections/tables.nim
index 02d099c1f..ef3a529a1 100644
--- a/lib/pure/collections/tables.nim
+++ b/lib/pure/collections/tables.nim
@@ -85,7 +85,7 @@ template rawInsertImpl() {.dirty.} =
   data[h].val = val
   data[h].slot = seFilled
 
-proc RawGet[A, B](t: TTable[A, B], key: A): int =
+proc rawGet[A, B](t: TTable[A, B], key: A): int =
   rawGetImpl()
 
 proc `[]`*[A, B](t: TTable[A, B], key: A): B =
@@ -93,13 +93,13 @@ proc `[]`*[A, B](t: TTable[A, B], key: A): B =
   ## default empty value for the type `B` is returned
   ## and no exception is raised. One can check with ``hasKey`` whether the key
   ## exists.
-  var index = RawGet(t, key)
+  var index = rawGet(t, key)
   if index >= 0: result = t.data[index].val
 
 proc mget*[A, B](t: var TTable[A, B], key: A): var B =
   ## retrieves the value at ``t[key]``. The value can be modified.
   ## If `key` is not in `t`, the ``EInvalidKey`` exception is raised.
-  var index = RawGet(t, key)
+  var index = rawGet(t, key)
   if index >= 0: result = t.data[index].val
   else: raise newException(EInvalidKey, "key not found: " & $key)
 
@@ -107,39 +107,39 @@ proc hasKey*[A, B](t: TTable[A, B], key: A): bool =
   ## returns true iff `key` is in the table `t`.
   result = rawGet(t, key) >= 0
 
-proc RawInsert[A, B](t: var TTable[A, B], data: var TKeyValuePairSeq[A, B],
+proc rawInsert[A, B](t: var TTable[A, B], data: var TKeyValuePairSeq[A, B],
                      key: A, val: B) =
   rawInsertImpl()
 
-proc Enlarge[A, B](t: var TTable[A, B]) =
+proc enlarge[A, B](t: var TTable[A, B]) =
   var n: TKeyValuePairSeq[A, B]
   newSeq(n, len(t.data) * growthFactor)
   for i in countup(0, high(t.data)):
-    if t.data[i].slot == seFilled: RawInsert(t, n, t.data[i].key, t.data[i].val)
+    if t.data[i].slot == seFilled: rawInsert(t, n, t.data[i].key, t.data[i].val)
   swap(t.data, n)
 
-template AddImpl() {.dirty.} =
-  if mustRehash(len(t.data), t.counter): Enlarge(t)
-  RawInsert(t, t.data, key, val)
+template addImpl() {.dirty.} =
+  if mustRehash(len(t.data), t.counter): enlarge(t)
+  rawInsert(t, t.data, key, val)
   inc(t.counter)
 
-template PutImpl() {.dirty.} =
-  var index = RawGet(t, key)
+template putImpl() {.dirty.} =
+  var index = rawGet(t, key)
   if index >= 0:
     t.data[index].val = val
   else:
-    AddImpl()
+    addImpl()
 
 when false:
   # not yet used:
-  template HasKeyOrPutImpl() {.dirty.} =
-    var index = RawGet(t, key)
+  template hasKeyOrPutImpl() {.dirty.} =
+    var index = rawGet(t, key)
     if index >= 0:
       t.data[index].val = val
       result = true
     else:
-      if mustRehash(len(t.data), t.counter): Enlarge(t)
-      RawInsert(t, t.data, key, val)
+      if mustRehash(len(t.data), t.counter): enlarge(t)
+      rawInsert(t, t.data, key, val)
       inc(t.counter)
       result = false
 
@@ -149,11 +149,11 @@ proc `[]=`*[A, B](t: var TTable[A, B], key: A, val: B) =
 
 proc add*[A, B](t: var TTable[A, B], key: A, val: B) =
   ## puts a new (key, value)-pair into `t` even if ``t[key]`` already exists.
-  AddImpl()
+  addImpl()
   
 proc del*[A, B](t: var TTable[A, B], key: A) =
   ## deletes `key` from hash table `t`.
-  var index = RawGet(t, key)
+  var index = rawGet(t, key)
   if index >= 0:
     t.data[index].slot = seDeleted
     dec(t.counter)
@@ -240,7 +240,7 @@ iterator mvalues*[A, B](t: var TOrderedTable[A, B]): var B =
   forAllOrderedPairs:
     yield t.data[h].val
 
-proc RawGet[A, B](t: TOrderedTable[A, B], key: A): int =
+proc rawGet[A, B](t: TOrderedTable[A, B], key: A): int =
   rawGetImpl()
 
 proc `[]`*[A, B](t: TOrderedTable[A, B], key: A): B =
@@ -248,13 +248,13 @@ proc `[]`*[A, B](t: TOrderedTable[A, B], key: A): B =
   ## default empty value for the type `B` is returned
   ## and no exception is raised. One can check with ``hasKey`` whether the key
   ## exists.
-  var index = RawGet(t, key)
+  var index = rawGet(t, key)
   if index >= 0: result = t.data[index].val
 
 proc mget*[A, B](t: var TOrderedTable[A, B], key: A): var B =
   ## retrieves the value at ``t[key]``. The value can be modified.
   ## If `key` is not in `t`, the ``EInvalidKey`` exception is raised.
-  var index = RawGet(t, key)
+  var index = rawGet(t, key)
   if index >= 0: result = t.data[index].val
   else: raise newException(EInvalidKey, "key not found: " & $key)
 
@@ -262,7 +262,7 @@ proc hasKey*[A, B](t: TOrderedTable[A, B], key: A): bool =
   ## returns true iff `key` is in the table `t`.
   result = rawGet(t, key) >= 0
 
-proc RawInsert[A, B](t: var TOrderedTable[A, B], 
+proc rawInsert[A, B](t: var TOrderedTable[A, B], 
                      data: var TOrderedKeyValuePairSeq[A, B],
                      key: A, val: B) =
   rawInsertImpl()
@@ -271,7 +271,7 @@ proc RawInsert[A, B](t: var TOrderedTable[A, B],
   if t.last >= 0: data[t.last].next = h
   t.last = h
 
-proc Enlarge[A, B](t: var TOrderedTable[A, B]) =
+proc enlarge[A, B](t: var TOrderedTable[A, B]) =
   var n: TOrderedKeyValuePairSeq[A, B]
   newSeq(n, len(t.data) * growthFactor)
   var h = t.first
@@ -280,7 +280,7 @@ proc Enlarge[A, B](t: var TOrderedTable[A, B]) =
   while h >= 0:
     var nxt = t.data[h].next
     if t.data[h].slot == seFilled: 
-      RawInsert(t, n, t.data[h].key, t.data[h].val)
+      rawInsert(t, n, t.data[h].key, t.data[h].val)
     h = nxt
   swap(t.data, n)
 
@@ -290,7 +290,7 @@ proc `[]=`*[A, B](t: var TOrderedTable[A, B], key: A, val: B) =
 
 proc add*[A, B](t: var TOrderedTable[A, B], key: A, val: B) =
   ## puts a new (key, value)-pair into `t` even if ``t[key]`` already exists.
-  AddImpl()
+  addImpl()
 
 proc initOrderedTable*[A, B](initialSize=64): TOrderedTable[A, B] =
   ## creates a new ordered hash table that is empty.
@@ -398,7 +398,7 @@ iterator mvalues*[A](t: TCountTable[A]): var int =
   for h in 0..high(t.data):
     if t.data[h].val != 0: yield t.data[h].val
 
-proc RawGet[A](t: TCountTable[A], key: A): int =
+proc rawGet[A](t: TCountTable[A], key: A): int =
   var h: THash = hash(key) and high(t.data) # start with real hash value
   while t.data[h].val != 0:
     if t.data[h].key == key: return h
@@ -409,13 +409,13 @@ proc `[]`*[A](t: TCountTable[A], key: A): int =
   ## retrieves the value at ``t[key]``. If `key` is not in `t`,
   ## 0 is returned. One can check with ``hasKey`` whether the key
   ## exists.
-  var index = RawGet(t, key)
+  var index = rawGet(t, key)
   if index >= 0: result = t.data[index].val
 
 proc mget*[A](t: var TCountTable[A], key: A): var int =
   ## retrieves the value at ``t[key]``. The value can be modified.
   ## If `key` is not in `t`, the ``EInvalidKey`` exception is raised.
-  var index = RawGet(t, key)
+  var index = rawGet(t, key)
   if index >= 0: result = t.data[index].val
   else: raise newException(EInvalidKey, "key not found: " & $key)
 
@@ -423,24 +423,24 @@ proc hasKey*[A](t: TCountTable[A], key: A): bool =
   ## returns true iff `key` is in the table `t`.
   result = rawGet(t, key) >= 0
 
-proc RawInsert[A](t: TCountTable[A], data: var seq[tuple[key: A, val: int]],
+proc rawInsert[A](t: TCountTable[A], data: var seq[tuple[key: A, val: int]],
                   key: A, val: int) =
   var h: THash = hash(key) and high(data)
   while data[h].val != 0: h = nextTry(h, high(data))
   data[h].key = key
   data[h].val = val
 
-proc Enlarge[A](t: var TCountTable[A]) =
+proc enlarge[A](t: var TCountTable[A]) =
   var n: seq[tuple[key: A, val: int]]
   newSeq(n, len(t.data) * growthFactor)
   for i in countup(0, high(t.data)):
-    if t.data[i].val != 0: RawInsert(t, n, t.data[i].key, t.data[i].val)
+    if t.data[i].val != 0: rawInsert(t, n, t.data[i].key, t.data[i].val)
   swap(t.data, n)
 
 proc `[]=`*[A](t: var TCountTable[A], key: A, val: int) =
   ## puts a (key, value)-pair into `t`. `val` has to be positive.
   assert val > 0
-  PutImpl()
+  putImpl()
 
 proc initCountTable*[A](initialSize=64): TCountTable[A] =
   ## creates a new count table that is empty.
@@ -467,11 +467,11 @@ proc inc*[A](t: var TCountTable[A], key: A, val = 1) =
   if index >= 0:
     inc(t.data[index].val, val)
   else:
-    if mustRehash(len(t.data), t.counter): Enlarge(t)
-    RawInsert(t, t.data, key, val)
+    if mustRehash(len(t.data), t.counter): enlarge(t)
+    rawInsert(t, t.data, key, val)
     inc(t.counter)
 
-proc Smallest*[A](t: TCountTable[A]): tuple[key: A, val: int] =
+proc smallest*[A](t: TCountTable[A]): tuple[key: A, val: int] =
   ## returns the largest (key,val)-pair. Efficiency: O(n)
   assert t.len > 0
   var minIdx = 0
@@ -480,7 +480,7 @@ proc Smallest*[A](t: TCountTable[A]): tuple[key: A, val: int] =
   result.key = t.data[minIdx].key
   result.val = t.data[minIdx].val
 
-proc Largest*[A](t: TCountTable[A]): tuple[key: A, val: int] =
+proc largest*[A](t: TCountTable[A]): tuple[key: A, val: int] =
   ## returns the (key,val)-pair with the largest `val`. Efficiency: O(n)
   assert t.len > 0
   var maxIdx = 0
diff --git a/lib/pure/lexbase.nim b/lib/pure/lexbase.nim
index 2756290d8..3b3e3810b 100644
--- a/lib/pure/lexbase.nim
+++ b/lib/pure/lexbase.nim
@@ -48,11 +48,11 @@ proc getCurrentLine*(L: TBaseLexer, marker: bool = true): string
 proc getColNumber*(L: TBaseLexer, pos: int): int
   ## retrieves the current column.
 
-proc HandleCR*(L: var TBaseLexer, pos: int): int
+proc handleCR*(L: var TBaseLexer, pos: int): int
   ## Call this if you scanned over '\c' in the buffer; it returns the the
   ## position to continue the scanning from. `pos` must be the position
   ## of the '\c'.
-proc HandleLF*(L: var TBaseLexer, pos: int): int
+proc handleLF*(L: var TBaseLexer, pos: int): int
   ## Call this if you scanned over '\L' in the buffer; it returns the the
   ## position to continue the scanning from. `pos` must be the position
   ## of the '\L'.
@@ -66,7 +66,7 @@ proc close(L: var TBaseLexer) =
   dealloc(L.buf)
   close(L.input)
 
-proc FillBuffer(L: var TBaseLexer) =
+proc fillBuffer(L: var TBaseLexer) =
   var
     charsRead, toCopy, s: int # all are in characters,
                               # not bytes (in case this
@@ -78,7 +78,7 @@ proc FillBuffer(L: var TBaseLexer) =
   toCopy = L.BufLen - L.sentinel - 1
   assert(toCopy >= 0)
   if toCopy > 0:
-    MoveMem(L.buf, addr(L.buf[L.sentinel + 1]), toCopy * chrSize) 
+    moveMem(L.buf, addr(L.buf[L.sentinel + 1]), toCopy * chrSize) 
     # "moveMem" handles overlapping regions
   charsRead = readData(L.input, addr(L.buf[toCopy]),
                        (L.sentinel + 1) * chrSize) div chrSize
@@ -103,7 +103,7 @@ proc FillBuffer(L: var TBaseLexer) =
         L.bufLen = L.BufLen * 2
         L.buf = cast[cstring](realloc(L.buf, L.bufLen * chrSize))
         assert(L.bufLen - oldBuflen == oldBufLen)
-        charsRead = ReadData(L.input, addr(L.buf[oldBufLen]),
+        charsRead = readData(L.input, addr(L.buf[oldBufLen]),
                              oldBufLen * chrSize) div chrSize
         if charsRead < oldBufLen:
           L.buf[oldBufLen + charsRead] = EndOfFile
@@ -121,19 +121,19 @@ proc fillBaseLexer(L: var TBaseLexer, pos: int): int =
     result = 0
   L.lineStart = result
 
-proc HandleCR(L: var TBaseLexer, pos: int): int =
+proc handleCR(L: var TBaseLexer, pos: int): int =
   assert(L.buf[pos] == '\c')
   inc(L.linenumber)
   result = fillBaseLexer(L, pos)
   if L.buf[result] == '\L':
     result = fillBaseLexer(L, result)
 
-proc HandleLF(L: var TBaseLexer, pos: int): int =
+proc handleLF(L: var TBaseLexer, pos: int): int =
   assert(L.buf[pos] == '\L')
   inc(L.linenumber)
   result = fillBaseLexer(L, pos) #L.lastNL := result-1; // BUGFIX: was: result;
 
-proc skip_UTF_8_BOM(L: var TBaseLexer) =
+proc skipUtf8Bom(L: var TBaseLexer) =
   if (L.buf[0] == '\xEF') and (L.buf[1] == '\xBB') and (L.buf[2] == '\xBF'):
     inc(L.bufpos, 3)
     inc(L.lineStart, 3)
@@ -149,7 +149,7 @@ proc open(L: var TBaseLexer, input: PStream, bufLen: int = 8192) =
   L.lineStart = 0
   L.linenumber = 1            # lines start at 1
   fillBuffer(L)
-  skip_UTF_8_BOM(L)
+  skipUtf8Bom(L)
 
 proc getColNumber(L: TBaseLexer, pos: int): int =
   result = abs(pos - L.lineStart)
diff --git a/lib/pure/os.nim b/lib/pure/os.nim
index 2e15587f4..f5b9ced4c 100644
--- a/lib/pure/os.nim
+++ b/lib/pure/os.nim
@@ -93,11 +93,11 @@ when defined(Nimdoc): # only for proper documentation:
 
 elif defined(macos):
   const
-    curdir* = ':'
-    pardir* = "::"
-    dirsep* = ':'
-    altsep* = dirsep
-    pathsep* = ','
+    CurDir* = ':'
+    ParDir* = "::"
+    Dirsep* = ':'
+    Altsep* = dirsep
+    Pathsep* = ','
     FileSystemCaseSensitive* = false
     ExeExt* = ""
     ScriptExt* = ""
@@ -123,42 +123,42 @@ elif defined(macos):
   #  grandparent etc.
 elif doslike:
   const
-    curdir* = '.'
-    pardir* = ".."
-    dirsep* = '\\' # seperator within paths
-    altsep* = '/'
-    pathSep* = ';' # seperator between paths
+    Curdir* = '.'
+    Pardir* = ".."
+    Dirsep* = '\\' # seperator within paths
+    Altsep* = '/'
+    PathSep* = ';' # seperator between paths
     FileSystemCaseSensitive* = false
     ExeExt* = "exe"
     ScriptExt* = "bat"
     DynlibFormat* = "$1.dll"
 elif defined(PalmOS) or defined(MorphOS):
   const
-    dirsep* = '/'
-    altsep* = dirsep
+    Dirsep* = '/'
+    Altsep* = dirsep
     PathSep* = ';'
-    pardir* = ".."
+    Pardir* = ".."
     FileSystemCaseSensitive* = false
     ExeExt* = ""
     ScriptExt* = ""
     DynlibFormat* = "$1.prc"
 elif defined(RISCOS):
   const
-    dirsep* = '.'
-    altsep* = '.'
-    pardir* = ".." # is this correct?
-    pathSep* = ','
+    Dirsep* = '.'
+    Altsep* = '.'
+    Pardir* = ".." # is this correct?
+    PathSep* = ','
     FileSystemCaseSensitive* = true
     ExeExt* = ""
     ScriptExt* = ""
     DynlibFormat* = "lib$1.so"
 else: # UNIX-like operating system
   const
-    curdir* = '.'
-    pardir* = ".."
-    dirsep* = '/'
-    altsep* = dirsep
-    pathSep* = ':'
+    Curdir* = '.'
+    Pardir* = ".."
+    Dirsep* = '/'
+    Altsep* = dirsep
+    PathSep* = ':'
     FileSystemCaseSensitive* = true
     ExeExt* = ""
     ScriptExt* = ""
@@ -186,20 +186,20 @@ proc OSErrorMsg*(): string {.rtl, extern: "nos$1", deprecated.} =
 
   result = ""
   when defined(Windows):
-    var err = GetLastError()
+    var err = getLastError()
     if err != 0'i32:
       when useWinUnicode:
         var msgbuf: widecstring
-        if FormatMessageW(0x00000100 or 0x00001000 or 0x00000200,
+        if formatMessageW(0x00000100 or 0x00001000 or 0x00000200,
                           nil, err, 0, addr(msgbuf), 0, nil) != 0'i32:
           result = $msgbuf
-          if msgbuf != nil: LocalFree(cast[pointer](msgbuf))
+          if msgbuf != nil: localFree(cast[pointer](msgbuf))
       else:
         var msgbuf: cstring
-        if FormatMessageA(0x00000100 or 0x00001000 or 0x00000200,
+        if formatMessageA(0x00000100 or 0x00001000 or 0x00000200,
                           nil, err, 0, addr(msgbuf), 0, nil) != 0'i32:
           result = $msgbuf
-          if msgbuf != nil: LocalFree(msgbuf)
+          if msgbuf != nil: localFree(msgbuf)
   if errno != 0'i32:
     result = $os.strerror(errno)
 
@@ -238,16 +238,16 @@ proc OSErrorMsg*(errorCode: TOSErrorCode): string =
     if errorCode != TOSErrorCode(0'i32):
       when useWinUnicode:
         var msgbuf: widecstring
-        if FormatMessageW(0x00000100 or 0x00001000 or 0x00000200,
+        if formatMessageW(0x00000100 or 0x00001000 or 0x00000200,
                         nil, errorCode.int32, 0, addr(msgbuf), 0, nil) != 0'i32:
           result = $msgbuf
-          if msgbuf != nil: LocalFree(cast[pointer](msgbuf))
+          if msgbuf != nil: localFree(cast[pointer](msgbuf))
       else:
         var msgbuf: cstring
-        if FormatMessageA(0x00000100 or 0x00001000 or 0x00000200,
+        if formatMessageA(0x00000100 or 0x00001000 or 0x00000200,
                         nil, errorCode.int32, 0, addr(msgbuf), 0, nil) != 0'i32:
           result = $msgbuf
-          if msgbuf != nil: LocalFree(msgbuf)
+          if msgbuf != nil: localFree(msgbuf)
   else:
     if errorCode != TOSErrorCode(0'i32):
       result = $os.strerror(errorCode.int32)
@@ -287,7 +287,7 @@ proc OSLastError*(): TOSErrorCode =
     result = TOSErrorCode(errno)
 {.pop.}
 
-proc UnixToNativePath*(path: string): string {.
+proc unixToNativePath*(path: string): string {.
   noSideEffect, rtl, extern: "nos$1".} =
   ## Converts an UNIX-like path to a native one.
   ##
@@ -340,16 +340,16 @@ when defined(windows):
 
     template wrapBinary(varname, winApiProc, arg, arg2: expr) {.immediate.} =
       var varname = winApiProc(newWideCString(arg), arg2)
-    proc FindFirstFile(a: string, b: var TWIN32_FIND_DATA): THandle =
-      result = FindFirstFileW(newWideCString(a), b)
-    template FindNextFile(a, b: expr): expr = FindNextFileW(a, b)
+    proc findFirstFile(a: string, b: var TWIN32_FIND_DATA): THandle =
+      result = findFirstFileW(newWideCString(a), b)
+    template findNextFile(a, b: expr): expr = findNextFileW(a, b)
     template getCommandLine(): expr = getCommandLineW()
 
     template getFilename(f: expr): expr =
       $cast[WideCString](addr(f.cFilename[0]))
   else:
-    template FindFirstFile(a, b: expr): expr = FindFirstFileA(a, b)
-    template FindNextFile(a, b: expr): expr = FindNextFileA(a, b)
+    template findFirstFile(a, b: expr): expr = findFirstFileA(a, b)
+    template findNextFile(a, b: expr): expr = findNextFileA(a, b)
     template getCommandLine(): expr = getCommandLineA()
 
     template getFilename(f: expr): expr = $f.cFilename
@@ -364,9 +364,9 @@ proc existsFile*(filename: string): bool {.rtl, extern: "nos$1",
   ## Returns true if the file exists, false otherwise.
   when defined(windows):
     when useWinUnicode:
-      wrapUnary(a, GetFileAttributesW, filename)
+      wrapUnary(a, getFileAttributesW, filename)
     else:
-      var a = GetFileAttributesA(filename)
+      var a = getFileAttributesA(filename)
     if a != -1'i32:
       result = (a and FILE_ATTRIBUTE_DIRECTORY) == 0'i32
   else:
@@ -378,9 +378,9 @@ proc existsDir*(dir: string): bool {.rtl, extern: "nos$1", tags: [FReadDir].} =
   ## is returned.
   when defined(windows):
     when useWinUnicode:
-      wrapUnary(a, GetFileAttributesW, dir)
+      wrapUnary(a, getFileAttributesW, dir)
     else:
-      var a = GetFileAttributesA(dir)
+      var a = getFileAttributesA(dir)
     if a != -1'i32:
       result = (a and FILE_ATTRIBUTE_DIRECTORY) != 0'i32
   else:
@@ -395,7 +395,7 @@ proc getLastModificationTime*(file: string): TTime {.rtl, extern: "nos$1".} =
     return res.st_mtime
   else:
     var f: TWIN32_Find_Data
-    var h = findfirstFile(file, f)
+    var h = findFirstFile(file, f)
     if h == -1'i32: OSError(OSLastError())
     result = winTimeToUnixTime(rdFileTime(f.ftLastWriteTime))
     findclose(h)
@@ -408,7 +408,7 @@ proc getLastAccessTime*(file: string): TTime {.rtl, extern: "nos$1".} =
     return res.st_atime
   else:
     var f: TWIN32_Find_Data
-    var h = findfirstFile(file, f)
+    var h = findFirstFile(file, f)
     if h == -1'i32: OSError(OSLastError())
     result = winTimeToUnixTime(rdFileTime(f.ftLastAccessTime))
     findclose(h)
@@ -421,7 +421,7 @@ proc getCreationTime*(file: string): TTime {.rtl, extern: "nos$1".} =
     return res.st_ctime
   else:
     var f: TWIN32_Find_Data
-    var h = findfirstFile(file, f)
+    var h = findFirstFile(file, f)
     if h == -1'i32: OSError(OSLastError())
     result = winTimeToUnixTime(rdFileTime(f.ftCreationTime))
     findclose(h)
@@ -437,12 +437,12 @@ proc getCurrentDir*(): string {.rtl, extern: "nos$1", tags: [].} =
   when defined(windows):
     when useWinUnicode:
       var res = newWideCString("", bufsize)
-      var L = GetCurrentDirectoryW(bufsize, res)
+      var L = getCurrentDirectoryW(bufsize, res)
       if L == 0'i32: OSError(OSLastError())
       result = res$L
     else:
       result = newString(bufsize)
-      var L = GetCurrentDirectoryA(bufsize, result)
+      var L = getCurrentDirectoryA(bufsize, result)
       if L == 0'i32: OSError(OSLastError())
       setLen(result, L)
   else:
@@ -457,10 +457,10 @@ proc setCurrentDir*(newDir: string) {.inline, tags: [].} =
   ## `newDir` cannot been set.
   when defined(Windows):
     when useWinUnicode:
-      if SetCurrentDirectoryW(newWideCString(newDir)) == 0'i32:
+      if setCurrentDirectoryW(newWideCString(newDir)) == 0'i32:
         OSError(OSLastError())
     else:
-      if SetCurrentDirectoryA(newDir) == 0'i32: OSError(OSLastError())
+      if setCurrentDirectoryA(newDir) == 0'i32: OSError(OSLastError())
   else:
     if chdir(newDir) != 0'i32: OSError(OSLastError())
 
@@ -512,7 +512,7 @@ proc joinPath*(parts: varargs[string]): string {.noSideEffect,
     result = joinPath(result, parts[i])
 
 proc `/` * (head, tail: string): string {.noSideEffect.} =
-  ## The same as ``JoinPath(head, tail)``
+  ## The same as ``joinPath(head, tail)``
   ##
   ## Here are some examples for Unix:
   ##
@@ -526,7 +526,7 @@ proc `/` * (head, tail: string): string {.noSideEffect.} =
 proc splitPath*(path: string): tuple[head, tail: string] {.
   noSideEffect, rtl, extern: "nos$1".} =
   ## Splits a directory into (head, tail), so that
-  ## ``JoinPath(head, tail) == path``.
+  ## ``joinPath(head, tail) == path``.
   ##
   ## Examples:
   ##
@@ -672,14 +672,14 @@ proc expandFilename*(filename: string): string {.rtl, extern: "nos$1",
     when useWinUnicode:
       var unused: widecstring
       var res = newWideCString("", bufsize div 2)
-      var L = GetFullPathNameW(newWideCString(filename), bufsize, res, unused)
+      var L = getFullPathNameW(newWideCString(filename), bufsize, res, unused)
       if L <= 0'i32 or L >= bufsize:
         OSError(OSLastError())
       result = res$L
     else:
       var unused: cstring
       result = newString(bufsize)
-      var L = GetFullPathNameA(filename, bufsize, result, unused)
+      var L = getFullPathNameA(filename, bufsize, result, unused)
       if L <= 0'i32 or L >= bufsize: OSError(OSLastError())
       setLen(result, L)
   else:
@@ -758,29 +758,29 @@ proc sameFile*(path1, path2: string): bool {.rtl, extern: "nos$1",
     when useWinUnicode:
       var p1 = newWideCString(path1)
       var p2 = newWideCString(path2)
-      template OpenHandle(path: expr): expr =
-        CreateFileW(path, 0'i32, FILE_SHARE_DELETE or FILE_SHARE_READ or
+      template openHandle(path: expr): expr =
+        createFileW(path, 0'i32, FILE_SHARE_DELETE or FILE_SHARE_READ or
           FILE_SHARE_WRITE, nil, OPEN_EXISTING,
           FILE_FLAG_BACKUP_SEMANTICS or FILE_ATTRIBUTE_NORMAL, 0)
 
-      var f1 = OpenHandle(p1)
-      var f2 = OpenHandle(p2)
+      var f1 = openHandle(p1)
+      var f2 = openHandle(p2)
 
     else:
-      template OpenHandle(path: expr): expr =
-        CreateFileA(path, 0'i32, FILE_SHARE_DELETE or FILE_SHARE_READ or
+      template openHandle(path: expr): expr =
+        createFileA(path, 0'i32, FILE_SHARE_DELETE or FILE_SHARE_READ or
           FILE_SHARE_WRITE, nil, OPEN_EXISTING,
           FILE_FLAG_BACKUP_SEMANTICS or FILE_ATTRIBUTE_NORMAL, 0)
 
-      var f1 = OpenHandle(path1)
-      var f2 = OpenHandle(path2)
+      var f1 = openHandle(path1)
+      var f2 = openHandle(path2)
 
     var lastErr: TOSErrorCode
     if f1 != INVALID_HANDLE_VALUE and f2 != INVALID_HANDLE_VALUE:
       var fi1, fi2: TBY_HANDLE_FILE_INFORMATION
 
-      if GetFileInformationByHandle(f1, addr(fi1)) != 0 and
-         GetFileInformationByHandle(f2, addr(fi2)) != 0:
+      if getFileInformationByHandle(f1, addr(fi1)) != 0 and
+         getFileInformationByHandle(f2, addr(fi2)) != 0:
         result = fi1.dwVolumeSerialNumber == fi2.dwVolumeSerialNumber and
                  fi1.nFileIndexHigh == fi2.nFileIndexHigh and
                  fi1.nFileIndexLow == fi2.nFileIndexLow
@@ -791,8 +791,8 @@ proc sameFile*(path1, path2: string): bool {.rtl, extern: "nos$1",
       lastErr = OSLastError()
       success = false
 
-    discard CloseHandle(f1)
-    discard CloseHandle(f2)
+    discard closeHandle(f1)
+    discard closeHandle(f2)
 
     if not success: OSError(lastErr)
   else:
@@ -867,9 +867,9 @@ proc getFilePermissions*(filename: string): set[TFilePermission] {.
     if (a.st_mode and S_IXOTH) != 0'i32: result.incl(fpOthersExec)
   else:
     when useWinUnicode:
-      wrapUnary(res, GetFileAttributesW, filename)
+      wrapUnary(res, getFileAttributesW, filename)
     else:
-      var res = GetFileAttributesA(filename)
+      var res = getFileAttributesA(filename)
     if res == -1'i32: OSError(OSLastError())
     if (res and FILE_ATTRIBUTE_READONLY) != 0'i32:
       result = {fpUserExec, fpUserRead, fpGroupExec, fpGroupRead, 
@@ -899,18 +899,18 @@ proc setFilePermissions*(filename: string, permissions: set[TFilePermission]) {.
     if chmod(filename, p) != 0: OSError(OSLastError())
   else:
     when useWinUnicode:
-      wrapUnary(res, GetFileAttributesW, filename)
+      wrapUnary(res, getFileAttributesW, filename)
     else:
-      var res = GetFileAttributesA(filename)
+      var res = getFileAttributesA(filename)
     if res == -1'i32: OSError(OSLastError())
     if fpUserWrite in permissions: 
       res = res and not FILE_ATTRIBUTE_READONLY
     else:
       res = res or FILE_ATTRIBUTE_READONLY
     when useWinUnicode:
-      wrapBinary(res2, SetFileAttributesW, filename, res)
+      wrapBinary(res2, setFileAttributesW, filename, res)
     else:
-      var res2 = SetFileAttributesA(filename, res)
+      var res2 = setFileAttributesA(filename, res)
     if res2 == - 1'i32: OSError(OSLastError())
 
 proc copyFile*(source, dest: string) {.rtl, extern: "nos$1",
@@ -928,9 +928,9 @@ proc copyFile*(source, dest: string) {.rtl, extern: "nos$1",
     when useWinUnicode:
       let s = newWideCString(source)
       let d = newWideCString(dest)
-      if CopyFileW(s, d, 0'i32) == 0'i32: OSError(OSLastError())
+      if copyFileW(s, d, 0'i32) == 0'i32: OSError(OSLastError())
     else:
-      if CopyFileA(source, dest, 0'i32) == 0'i32: OSError(OSLastError())
+      if copyFileA(source, dest, 0'i32) == 0'i32: OSError(OSLastError())
   else:
     # generic version of copyFile which works for any platform:
     const bufSize = 8000 # better for memory manager
@@ -940,7 +940,7 @@ proc copyFile*(source, dest: string) {.rtl, extern: "nos$1",
       close(s)
       OSError(OSLastError())
     var buf = alloc(bufsize)
-    while True:
+    while true:
       var bytesread = readBuffer(s, buf, bufsize)
       if bytesread > 0:
         var byteswritten = writeBuffer(d, buf, bytesread)
@@ -968,13 +968,13 @@ when not defined(ENOENT) and not defined(Windows):
 
 when defined(Windows):
   when useWinUnicode:
-    template DeleteFile(file: expr): expr {.immediate.} = DeleteFileW(file)
-    template SetFileAttributes(file, attrs: expr): expr {.immediate.} = 
-      SetFileAttributesW(file, attrs)
+    template deleteFile(file: expr): expr {.immediate.} = deleteFileW(file)
+    template setFileAttributes(file, attrs: expr): expr {.immediate.} = 
+      setFileAttributesW(file, attrs)
   else:
-    template DeleteFile(file: expr): expr {.immediate.} = DeleteFileA(file)
-    template SetFileAttributes(file, attrs: expr): expr {.immediate.} = 
-      SetFileAttributesA(file, attrs)
+    template deleteFile(file: expr): expr {.immediate.} = deleteFileA(file)
+    template setFileAttributes(file, attrs: expr): expr {.immediate.} = 
+      setFileAttributesA(file, attrs)
 
 proc removeFile*(file: string) {.rtl, extern: "nos$1", tags: [FWriteDir].} =
   ## Removes the `file`. If this fails, `EOS` is raised. This does not fail
@@ -985,11 +985,11 @@ proc removeFile*(file: string) {.rtl, extern: "nos$1", tags: [FWriteDir].} =
       let f = newWideCString(file)
     else:
       let f = file
-    if DeleteFile(f) == 0:
-      if GetLastError() == ERROR_ACCESS_DENIED: 
-        if SetFileAttributes(f, FILE_ATTRIBUTE_NORMAL) == 0:
+    if deleteFile(f) == 0:
+      if getLastError() == ERROR_ACCESS_DENIED: 
+        if setFileAttributes(f, FILE_ATTRIBUTE_NORMAL) == 0:
           OSError(OSLastError())
-        if DeleteFile(f) == 0:
+        if deleteFile(f) == 0:
           OSError(OSLastError())
   else:
     if cremove(file) != 0'i32 and errno != ENOENT:
@@ -1076,7 +1076,7 @@ else:
       when useNSGetEnviron:
         var gEnv = NSGetEnviron()[]
       var i = 0
-      while True:
+      while true:
         if gEnv[i] == nil: break
         add environment, $gEnv[i]
         inc(i)
@@ -1130,9 +1130,9 @@ proc putEnv*(key, val: string) {.tags: [FWriteEnv].} =
     when useWinUnicode:
       var k = newWideCString(key)
       var v = newWideCString(val)
-      if SetEnvironmentVariableW(k, v) == 0'i32: OSError(OSLastError())
+      if setEnvironmentVariableW(k, v) == 0'i32: OSError(OSLastError())
     else:
-      if SetEnvironmentVariableA(key, val) == 0'i32: OSError(OSLastError())
+      if setEnvironmentVariableA(key, val) == 0'i32: OSError(OSLastError())
 
 iterator envPairs*(): tuple[key, value: TaintedString] {.tags: [FReadEnv].} =
   ## Iterate over all `environments variables`:idx:. In the first component
@@ -1259,9 +1259,9 @@ iterator walkDirRec*(dir: string, filter={pcFile, pcDir}): string {.
 proc rawRemoveDir(dir: string) =
   when defined(windows):
     when useWinUnicode:
-      wrapUnary(res, RemoveDirectoryW, dir)
+      wrapUnary(res, removeDirectoryW, dir)
     else:
-      var res = RemoveDirectoryA(dir)
+      var res = removeDirectoryA(dir)
     let lastError = OSLastError()
     if res == 0'i32 and lastError.int32 != 3'i32 and
         lastError.int32 != 18'i32 and lastError.int32 != 2'i32:
@@ -1291,10 +1291,10 @@ proc rawCreateDir(dir: string) =
       OSError(OSLastError())
   else:
     when useWinUnicode:
-      wrapUnary(res, CreateDirectoryW, dir)
+      wrapUnary(res, createDirectoryW, dir)
     else:
-      var res = CreateDirectoryA(dir)
-    if res == 0'i32 and GetLastError() != 183'i32:
+      var res = createDirectoryA(dir)
+    if res == 0'i32 and getLastError() != 183'i32:
       OSError(OSLastError())
 
 proc createDir*(dir: string) {.rtl, extern: "nos$1", tags: [FWriteDir].} =
@@ -1584,8 +1584,8 @@ proc getAppFilename*(): string {.rtl, extern: "nos$1", tags: [FReadIO].} =
       if len(result) > 0 and result[0] != DirSep: # not an absolute path?
         # iterate over any path in the $PATH environment variable
         for p in split(string(getEnv("PATH")), {PathSep}):
-          var x = JoinPath(p, result)
-          if ExistsFile(x): return x
+          var x = joinPath(p, result)
+          if existsFile(x): return x
 
 proc getApplicationFilename*(): string {.rtl, extern: "nos$1", deprecated.} =
   ## Returns the filename of the application's executable.
@@ -1636,11 +1636,11 @@ proc findExe*(exe: string): string {.tags: [FReadDir, FReadEnv].} =
   ## Returns "" if the `exe` cannot be found. On DOS-like platforms, `exe`
   ## is added an ``.exe`` file extension if it has no extension.
   result = addFileExt(exe, os.exeExt)
-  if ExistsFile(result): return
+  if existsFile(result): return
   var path = string(os.getEnv("PATH"))
   for candidate in split(path, pathSep):
     var x = candidate / result
-    if ExistsFile(x): return x
+    if existsFile(x): return x
   result = ""
 
 proc expandTilde*(path: string): string =
diff --git a/lib/pure/osproc.nim b/lib/pure/osproc.nim
index 61b940ce8..605ca0f12 100644
--- a/lib/pure/osproc.nim
+++ b/lib/pure/osproc.nim
@@ -383,16 +383,16 @@ when defined(Windows) and not defined(useNimRtl):
   #  O_WRONLY {.importc: "_O_WRONLY", header: "<fcntl.h>".}: int
   #  O_RDONLY {.importc: "_O_RDONLY", header: "<fcntl.h>".}: int
 
-  proc CreatePipeHandles(Rdhandle, WrHandle: var THandle) =
+  proc createPipeHandles(Rdhandle, WrHandle: var THandle) =
     var piInheritablePipe: TSecurityAttributes
-    piInheritablePipe.nlength = SizeOF(TSecurityAttributes).cint
+    piInheritablePipe.nlength = SizeOf(TSecurityAttributes).cint
     piInheritablePipe.lpSecurityDescriptor = nil
     piInheritablePipe.Binherithandle = 1
-    if CreatePipe(Rdhandle, Wrhandle, piInheritablePipe, 1024) == 0'i32:
+    if createPipe(Rdhandle, Wrhandle, piInheritablePipe, 1024) == 0'i32:
       OSError(OSLastError())
 
   proc fileClose(h: THandle) {.inline.} =
-    if h > 4: discard CloseHandle(h)
+    if h > 4: discard closeHandle(h)
 
   proc startProcess(command: string,
                  workingDir: string = "",
@@ -400,8 +400,8 @@ when defined(Windows) and not defined(useNimRtl):
                  env: PStringTable = nil,
                  options: set[TProcessOption] = {poStdErrToStdOut}): PProcess =
     var
-      SI: TStartupInfo
-      ProcInfo: TProcessInformation
+      si: TStartupInfo
+      procInfo: TProcessInformation
       success: int
       hi, ho, he: THandle
     new(result)
@@ -511,8 +511,8 @@ when defined(Windows) and not defined(useNimRtl):
 
   proc execCmd(command: string): int =
     var
-      SI: TStartupInfo
-      ProcInfo: TProcessInformation
+      si: TStartupInfo
+      procInfo: TProcessInformation
       process: THandle
       L: int32
     SI.cb = SizeOf(SI).cint
diff --git a/lib/pure/parseutils.nim b/lib/pure/parseutils.nim
index c11265bfd..bccb274d6 100644
--- a/lib/pure/parseutils.nim
+++ b/lib/pure/parseutils.nim
@@ -51,7 +51,7 @@ proc parseHex*(s: string, number: var int, start = 0): int {.
   elif s[i] == '#': inc(i)
   while true: 
     case s[i]
-    of '_': nil
+    of '_': discard
     of '0'..'9':
       number = number shl 4 or (ord(s[i]) - ord('0'))
       foundDigit = true
@@ -74,7 +74,7 @@ proc parseOct*(s: string, number: var int, start = 0): int  {.
   if s[i] == '0' and (s[i+1] == 'o' or s[i+1] == 'O'): inc(i, 2)
   while true: 
     case s[i]
-    of '_': nil
+    of '_': discard
     of '0'..'7':
       number = number shl 3 or (ord(s[i]) - ord('0'))
       foundDigit = true
diff --git a/lib/pure/sockets.nim b/lib/pure/sockets.nim
index 66bb1e6a9..f5351c41c 100644
--- a/lib/pure/sockets.nim
+++ b/lib/pure/sockets.nim
@@ -132,17 +132,17 @@ type
   ETimeout* = object of ESynch
 
 let
-  InvalidSocket*: TSocket = nil ## invalid socket
+  invalidSocket*: TSocket = nil ## invalid socket
 
 when defined(windows):
   let
-    OSInvalidSocket = winlean.INVALID_SOCKET
+    osInvalidSocket = winlean.INVALID_SOCKET
 else:
   let
-    OSInvalidSocket = posix.INVALID_SOCKET
+    osInvalidSocket = posix.INVALID_SOCKET
 
 proc newTSocket(fd: TSocketHandle, isBuff: bool): TSocket =
-  if fd == OSInvalidSocket:
+  if fd == osInvalidSocket:
     return nil
   new(result)
   result.fd = fd
@@ -187,14 +187,14 @@ proc htons*(x: int16): int16 =
   result = sockets.ntohs(x)
   
 when defined(Posix):
-  proc ToInt(domain: TDomain): cint =
+  proc toInt(domain: TDomain): cint =
     case domain
     of AF_UNIX:        result = posix.AF_UNIX
     of AF_INET:        result = posix.AF_INET
     of AF_INET6:       result = posix.AF_INET6
     else: nil
 
-  proc ToInt(typ: TType): cint =
+  proc toInt(typ: TType): cint =
     case typ
     of SOCK_STREAM:    result = posix.SOCK_STREAM
     of SOCK_DGRAM:     result = posix.SOCK_DGRAM
@@ -202,7 +202,7 @@ when defined(Posix):
     of SOCK_RAW:       result = posix.SOCK_RAW
     else: nil
 
-  proc ToInt(p: TProtocol): cint =
+  proc toInt(p: TProtocol): cint =
     case p
     of IPPROTO_TCP:    result = posix.IPPROTO_TCP
     of IPPROTO_UDP:    result = posix.IPPROTO_UDP
@@ -216,10 +216,10 @@ else:
   proc toInt(domain: TDomain): cint = 
     result = toU16(ord(domain))
 
-  proc ToInt(typ: TType): cint =
+  proc toInt(typ: TType): cint =
     result = cint(ord(typ))
   
-  proc ToInt(p: TProtocol): cint =
+  proc toInt(p: TProtocol): cint =
     result = cint(ord(p))
 
 proc socket*(domain: TDomain = AF_INET, typ: TType = SOCK_STREAM,
@@ -333,7 +333,7 @@ when defined(ssl):
     if SSLSetFd(socket.sslHandle, socket.fd) != 1:
       SSLError()
 
-proc SocketError*(socket: TSocket, err: int = -1, async = false) =
+proc socketError*(socket: TSocket, err: int = -1, async = false) =
   ## Raises proper errors based on return values of ``recv`` functions.
   ##
   ## If ``async`` is ``True`` no error will be thrown in the case when the
@@ -471,7 +471,7 @@ template acceptAddrPlain(noClientRet, successRet: expr,
   var sock = accept(server.fd, cast[ptr TSockAddr](addr(sockAddress)),
                     addr(addrLen))
   
-  if sock == OSInvalidSocket:
+  if sock == osInvalidSocket:
     let err = OSLastError()
     when defined(windows):
       if err.int32 == WSAEINPROGRESS:
@@ -1661,7 +1661,7 @@ when defined(Windows):
 proc setBlocking(s: TSocket, blocking: bool) =
   when defined(Windows):
     var mode = clong(ord(not blocking)) # 1 for non-blocking, 0 for blocking
-    if ioctlsocket(TSocketHandle(s.fd), FIONBIO, addr(mode)) == -1:
+    if ioctlsocket(s.fd, FIONBIO, addr(mode)) == -1:
       OSError(OSLastError())
   else: # BSD sockets
     var x: int = fcntl(s.fd, F_GETFL, 0)
diff --git a/lib/pure/strtabs.nim b/lib/pure/strtabs.nim
index 77b463fc0..d8bc94176 100644
--- a/lib/pure/strtabs.nim
+++ b/lib/pure/strtabs.nim
@@ -88,7 +88,7 @@ proc mustRehash(length, counter: int): bool =
 proc nextTry(h, maxHash: THash): THash {.inline.} =
   result = ((5 * h) + 1) and maxHash
 
-proc RawGet(t: PStringTable, key: string): int =
+proc rawGet(t: PStringTable, key: string): int =
   var h: THash = myhash(t, key) and high(t.data) # start with real hash value
   while not isNil(t.data[h].key):
     if mycmp(t, t.data[h].key, key):
@@ -116,14 +116,14 @@ proc hasKey*(t: PStringTable, key: string): bool {.rtl, extern: "nst$1".} =
   ## returns true iff `key` is in the table `t`.
   result = rawGet(t, key) >= 0
 
-proc RawInsert(t: PStringTable, data: var TKeyValuePairSeq, key, val: string) =
+proc rawInsert(t: PStringTable, data: var TKeyValuePairSeq, key, val: string) =
   var h: THash = myhash(t, key) and high(data)
   while not isNil(data[h].key):
     h = nextTry(h, high(data))
   data[h].key = key
   data[h].val = val
 
-proc Enlarge(t: PStringTable) =
+proc enlarge(t: PStringTable) =
   var n: TKeyValuePairSeq
   newSeq(n, len(t.data) * growthFactor)
   for i in countup(0, high(t.data)):
@@ -140,7 +140,7 @@ proc `[]=`*(t: PStringTable, key, val: string) {.rtl, extern: "nstPut".} =
     RawInsert(t, t.data, key, val)
     inc(t.counter)
 
-proc RaiseFormatException(s: string) =
+proc raiseFormatException(s: string) =
   var e: ref EInvalidValue
   new(e)
   e.msg = "format string: key not found: " & s
diff --git a/lib/pure/strutils.nim b/lib/pure/strutils.nim
index e290226d2..388a76e71 100644
--- a/lib/pure/strutils.nim
+++ b/lib/pure/strutils.nim
@@ -128,7 +128,7 @@ proc cmpIgnoreStyle*(a, b: string): int {.noSideEffect,
   ## | > 0 iff a > b

   var i = 0

   var j = 0

-  while True:

+  while true:

     while a[i] == '_': inc(i)

     while b[j] == '_': inc(j) # BUGFIX: typo

     var aa = toLower(a[i])

@@ -344,7 +344,7 @@ proc intToStr*(x: int, minchars: int = 1): string {.noSideEffect,
   if x < 0:

     result = '-' & result

 

-proc ParseInt*(s: string): int {.noSideEffect, procvar,

+proc parseInt*(s: string): int {.noSideEffect, procvar,

   rtl, extern: "nsuParseInt".} =

   ## Parses a decimal integer value contained in `s`. If `s` is not

   ## a valid integer, `EInvalidValue` is raised.

@@ -352,7 +352,7 @@ proc ParseInt*(s: string): int {.noSideEffect, procvar,
   if L != s.len or L == 0:

     raise newException(EInvalidValue, "invalid integer: " & s)

 

-proc ParseBiggestInt*(s: string): biggestInt {.noSideEffect, procvar,

+proc parseBiggestInt*(s: string): biggestInt {.noSideEffect, procvar,

   rtl, extern: "nsuParseBiggestInt".} =

   ## Parses a decimal integer value contained in `s`. If `s` is not

   ## a valid integer, `EInvalidValue` is raised.

@@ -360,7 +360,7 @@ proc ParseBiggestInt*(s: string): biggestInt {.noSideEffect, procvar,
   if L != s.len or L == 0:

     raise newException(EInvalidValue, "invalid integer: " & s)

 

-proc ParseFloat*(s: string): float {.noSideEffect, procvar,

+proc parseFloat*(s: string): float {.noSideEffect, procvar,

   rtl, extern: "nsuParseFloat".} =

   ## Parses a decimal floating point value contained in `s`. If `s` is not

   ## a valid floating point number, `EInvalidValue` is raised. ``NAN``,

@@ -369,7 +369,7 @@ proc ParseFloat*(s: string): float {.noSideEffect, procvar,
   if L != s.len or L == 0:

     raise newException(EInvalidValue, "invalid float: " & s)

 

-proc ParseHexInt*(s: string): int {.noSideEffect, procvar,

+proc parseHexInt*(s: string): int {.noSideEffect, procvar,

   rtl, extern: "nsuParseHexInt".} =

   ## Parses a hexadecimal integer value contained in `s`. If `s` is not

   ## a valid integer, `EInvalidValue` is raised. `s` can have one of the

@@ -455,7 +455,7 @@ proc align*(s: string, count: int, padding = ' '): string {.
   ##   assert align("1232", 6, '#') == "##1232"
   if s.len < count:

     result = newString(count)

-    var spaces = count - s.len

+    let spaces = count - s.len

     for i in 0..spaces-1: result[i] = padding

     for i in spaces..count-1: result[i] = s[i-spaces]

   else:

@@ -649,7 +649,7 @@ proc join*(a: openArray[string]): string {.
     result = ""

 

 type

-  TSkipTable = array[Char, int]

+  TSkipTable = array[char, int]

 

 proc preprocessSub(sub: string, a: var TSkipTable) =

   var m = len(sub)

@@ -795,7 +795,7 @@ proc delete*(s: var string, first, last: int) {.noSideEffect,
     inc(j)

   setlen(s, newLen)

 

-proc ParseOctInt*(s: string): int {.noSideEffect,

+proc parseOctInt*(s: string): int {.noSideEffect,

   rtl, extern: "nsuParseOctInt".} =

   ## Parses an octal integer value contained in `s`. If `s` is not

   ## a valid integer, `EInvalidValue` is raised. `s` can have one of the

@@ -896,7 +896,7 @@ proc unescape*(s: string, prefix = "\"", suffix = "\""): string {.noSideEffect,
     raise newException(EInvalidValue,
                        "String does not start with a prefix of: " & prefix)
   i.inc()
-  while True:
+  while true:
     if i == s.len-suffix.len: break
     case s[i]
     of '\\':
diff --git a/lib/pure/times.nim b/lib/pure/times.nim
index e967ef683..a37091c52 100644
--- a/lib/pure/times.nim
+++ b/lib/pure/times.nim
@@ -146,7 +146,7 @@ proc getGMTime*(t: TTime): TTimeInfo {.tags: [FTime], raises: [].}
   ## converts the calendar time `t` to broken-down time representation,
   ## expressed in Coordinated Universal Time (UTC).
 
-proc TimeInfoToTime*(timeInfo: TTimeInfo): TTime {.tags: [].}
+proc timeInfoToTime*(timeInfo: TTimeInfo): TTime {.tags: [].}
   ## converts a broken-down time structure to
   ## calendar time representation. The function ignores the specified
   ## contents of the structure members `weekday` and `yearday` and recomputes
@@ -297,7 +297,7 @@ when not defined(JS):
 when not defined(JS):
   # C wrapper:
   type
-    structTM {.importc: "struct tm", final.} = object
+    StructTM {.importc: "struct tm", final.} = object
       second {.importc: "tm_sec".},
         minute {.importc: "tm_min".},
         hour {.importc: "tm_hour".},
@@ -308,7 +308,7 @@ when not defined(JS):
         yearday {.importc: "tm_yday".},
         isdst {.importc: "tm_isdst".}: cint
   
-    PTimeInfo = ptr structTM
+    PTimeInfo = ptr StructTM
     PTime = ptr TTime
   
     TClock {.importc: "clock_t".} = distinct int
@@ -401,7 +401,7 @@ when not defined(JS):
     # copying is needed anyway to provide reentrancity; thus
     # the conversion is not expensive
   
-  proc TimeInfoToTime(timeInfo: TTimeInfo): TTime =
+  proc timeInfoToTime(timeInfo: TTimeInfo): TTime =
     var cTimeInfo = timeInfo # for C++ we have to make a copy,
     # because the header of mktime is broken in my version of libc
     return mktime(timeInfoToTM(cTimeInfo))
@@ -498,7 +498,7 @@ elif defined(JS):
     result.weekday = weekDays[t.getUTCDay()]
     result.yearday = 0
   
-  proc TimeInfoToTime*(timeInfo: TTimeInfo): TTime =
+  proc timeInfoToTime*(timeInfo: TTimeInfo): TTime =
     result = internGetTime()
     result.setSeconds(timeInfo.second)
     result.setMinutes(timeInfo.minute)
diff --git a/lib/pure/unicode.nim b/lib/pure/unicode.nim
index 4aacb2f71..1cf2816b4 100644
--- a/lib/pure/unicode.nim
+++ b/lib/pure/unicode.nim
@@ -14,8 +14,8 @@
 include "system/inclrtl"
 
 type
-  irune = int # underlying type of TRune
-  TRune* = distinct irune   ## type that can hold any Unicode character
+  IRune = int # underlying type of TRune
+  TRune* = distinct IRune   ## type that can hold any Unicode character
   TRune16* = distinct int16 ## 16 bit Unicode character
   
 proc `<=%`*(a, b: TRune): bool = return int(a) <=% int(b)
diff --git a/lib/system.nim b/lib/system.nim
index 14be9cc21..726230613 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -1963,20 +1963,20 @@ when not defined(JS): #and not defined(NimrodVM):
         ## Template which expands to either stdout or stderr depending on
         ## `useStdoutAsStdmsg` compile-time switch.
 
-    proc Open*(f: var TFile, filename: string,
+    proc open*(f: var TFile, filename: string,
                mode: TFileMode = fmRead, bufSize: int = -1): Bool {.tags: [].}
       ## Opens a file named `filename` with given `mode`.
       ##
       ## Default mode is readonly. Returns true iff the file could be opened.
       ## This throws no exception if the file could not be opened.
 
-    proc Open*(f: var TFile, filehandle: TFileHandle,
+    proc open*(f: var TFile, filehandle: TFileHandle,
                mode: TFileMode = fmRead): Bool {.tags: [].}
       ## Creates a ``TFile`` from a `filehandle` with given `mode`.
       ##
       ## Default mode is readonly. Returns true iff the file could be opened.
       
-    proc Open*(filename: string,
+    proc open*(filename: string,
                mode: TFileMode = fmRead, bufSize: int = -1): TFile = 
       ## Opens a file named `filename` with given `mode`.
       ##
@@ -1993,16 +1993,16 @@ when not defined(JS): #and not defined(NimrodVM):
       ##
       ## Default mode is readonly. Returns true iff the file could be reopened.
 
-    proc Close*(f: TFile) {.importc: "fclose", header: "<stdio.h>", tags: [].}
+    proc close*(f: TFile) {.importc: "fclose", header: "<stdio.h>", tags: [].}
       ## Closes the file.
 
-    proc EndOfFile*(f: TFile): Bool {.tags: [].}
+    proc endOfFile*(f: TFile): Bool {.tags: [].}
       ## Returns true iff `f` is at the end.
       
     proc readChar*(f: TFile): char {.
       importc: "fgetc", header: "<stdio.h>", tags: [FReadIO].}
       ## Reads a single character from the stream `f`.
-    proc FlushFile*(f: TFile) {.
+    proc flushFile*(f: TFile) {.
       importc: "fflush", header: "<stdio.h>", tags: [FWriteIO].}
       ## Flushes `f`'s buffer.
 
@@ -2051,13 +2051,13 @@ when not defined(JS): #and not defined(NimrodVM):
     proc getFileSize*(f: TFile): int64 {.tags: [FReadIO].}
       ## retrieves the file size (in bytes) of `f`.
 
-    proc ReadBytes*(f: TFile, a: var openarray[int8], start, len: int): int {.
+    proc readBytes*(f: TFile, a: var openarray[int8], start, len: int): int {.
       tags: [FReadIO].}
       ## reads `len` bytes into the buffer `a` starting at ``a[start]``. Returns
       ## the actual number of bytes that have been read which may be less than
       ## `len` (if not as many bytes are remaining), but not greater.
 
-    proc ReadChars*(f: TFile, a: var openarray[char], start, len: int): int {.
+    proc readChars*(f: TFile, a: var openarray[char], start, len: int): int {.
       tags: [FReadIO].}
       ## reads `len` bytes into the buffer `a` starting at ``a[start]``. Returns
       ## the actual number of bytes that have been read which may be less than
@@ -2655,7 +2655,7 @@ proc compiles*(x: expr): bool {.magic: "Compiles", noSideEffect.} =
   ## .. code-block:: Nimrod
   ##   when not compiles(3 + 4):
   ##     echo "'+' for integers is available"
-  nil
+  discard
 
 when defined(initDebugger):
   initDebugger()
@@ -2680,4 +2680,4 @@ proc locals*(): TObject {.magic: "Locals", noSideEffect.} =
   ## on any debug or runtime information. Note that in constrast to what
   ## the official signature says, the return type is not ``TObject`` but a
   ## tuple of a structure that depends on the current scope.
-  nil
+  discard
diff --git a/lib/system/alloc.nim b/lib/system/alloc.nim
index 17258cf68..e0f29a961 100644
--- a/lib/system/alloc.nim
+++ b/lib/system/alloc.nim
@@ -59,15 +59,16 @@ elif defined(windows):
     MEM_DECOMMIT = 0x4000
     MEM_RELEASE = 0x8000
 
-  proc VirtualAlloc(lpAddress: pointer, dwSize: int, flAllocationType,
+  proc virtualAlloc(lpAddress: pointer, dwSize: int, flAllocationType,
                     flProtect: int32): pointer {.
-                    header: "<windows.h>", stdcall.}
+                    header: "<windows.h>", stdcall, importc: "VirtualAlloc".}
   
-  proc VirtualFree(lpAddress: pointer, dwSize: int, 
-                   dwFreeType: int32) {.header: "<windows.h>", stdcall.}
+  proc virtualFree(lpAddress: pointer, dwSize: int, 
+                   dwFreeType: int32) {.header: "<windows.h>", stdcall,
+                   importc: "VirtualFree".}
   
   proc osAllocPages(size: int): pointer {.inline.} = 
-    result = VirtualAlloc(nil, size, MEM_RESERVE or MEM_COMMIT,
+    result = virtualAlloc(nil, size, MEM_RESERVE or MEM_COMMIT,
                           PAGE_READWRITE)
     if result == nil: raiseOutOfMem()
 
@@ -78,7 +79,7 @@ elif defined(windows):
     # Windows :-(. We have to live with MEM_DECOMMIT instead.
     # Well that used to be the case but MEM_DECOMMIT fragments the address
     # space heavily, so we now treat Windows as a strange unmap target.
-    when reallyOsDealloc: VirtualFree(p, 0, MEM_RELEASE)
+    when reallyOsDealloc: virtualFree(p, 0, MEM_RELEASE)
     #VirtualFree(p, size, MEM_DECOMMIT)
 
 else: 
@@ -251,14 +252,14 @@ proc llDeallocAll(a: var TMemRegion) =
     osDeallocPages(it, PageSize)
     it = next
   
-proc IntSetGet(t: TIntSet, key: int): PTrunk = 
+proc intSetGet(t: TIntSet, key: int): PTrunk = 
   var it = t.data[key and high(t.data)]
   while it != nil: 
     if it.key == key: return it
     it = it.next
   result = nil
 
-proc IntSetPut(a: var TMemRegion, t: var TIntSet, key: int): PTrunk = 
+proc intSetPut(a: var TMemRegion, t: var TIntSet, key: int): PTrunk = 
   result = IntSetGet(t, key)
   if result == nil:
     result = cast[PTrunk](llAlloc(a, sizeof(result[])))
@@ -266,7 +267,7 @@ proc IntSetPut(a: var TMemRegion, t: var TIntSet, key: int): PTrunk =
     t.data[key and high(t.data)] = result
     result.key = key
 
-proc Contains(s: TIntSet, key: int): bool = 
+proc contains(s: TIntSet, key: int): bool = 
   var t = IntSetGet(s, key shr TrunkShift)
   if t != nil: 
     var u = key and TrunkMask
@@ -274,12 +275,12 @@ proc Contains(s: TIntSet, key: int): bool =
   else: 
     result = false
   
-proc Incl(a: var TMemRegion, s: var TIntSet, key: int) = 
+proc incl(a: var TMemRegion, s: var TIntSet, key: int) = 
   var t = IntSetPut(a, s, key shr TrunkShift)
   var u = key and TrunkMask
   t.bits[u shr IntShift] = t.bits[u shr IntShift] or (1 shl (u and IntMask))
 
-proc Excl(s: var TIntSet, key: int) = 
+proc excl(s: var TIntSet, key: int) = 
   var t = IntSetGet(s, key shr TrunkShift)
   if t != nil:
     var u = key and TrunkMask
@@ -387,7 +388,7 @@ proc freeOsChunks(a: var TMemRegion, p: pointer, size: int) =
   #c_fprintf(c_stdout, "[Alloc] back to OS: %ld\n", size)
 
 proc isAccessible(a: TMemRegion, p: pointer): bool {.inline.} = 
-  result = Contains(a.chunkStarts, pageIndex(p))
+  result = contains(a.chunkStarts, pageIndex(p))
 
 proc contains[T](list, x: T): bool = 
   var it = list
@@ -403,7 +404,7 @@ proc writeFreeList(a: TMemRegion) =
               it, it.next, it.prev)
     it = it.next
 
-proc ListAdd[T](head: var T, c: T) {.inline.} = 
+proc listAdd[T](head: var T, c: T) {.inline.} = 
   sysAssert(c notin head, "listAdd 1")
   sysAssert c.prev == nil, "listAdd 2"
   sysAssert c.next == nil, "listAdd 3"
@@ -413,7 +414,7 @@ proc ListAdd[T](head: var T, c: T) {.inline.} =
     head.prev = c
   head = c
 
-proc ListRemove[T](head: var T, c: T) {.inline.} =
+proc listRemove[T](head: var T, c: T) {.inline.} =
   sysAssert(c in head, "listRemove")
   if c == head: 
     head = c.next
@@ -759,7 +760,7 @@ proc getOccupiedMem(a: TMemRegion): int {.inline.} =
 
 # ---------------------- thread memory region -------------------------------
 
-template InstantiateForRegion(allocator: expr) =
+template instantiateForRegion(allocator: expr) =
   when defined(fulldebug):
     proc interiorAllocatedPtr*(p: pointer): pointer =
       result = interiorAllocatedPtr(allocator, p)
@@ -801,13 +802,13 @@ template InstantiateForRegion(allocator: expr) =
   when hasThreadSupport:
     var sharedHeap: TMemRegion
     var heapLock: TSysLock
-    InitSysLock(HeapLock)
+    initSysLock(HeapLock)
 
   proc allocShared(size: int): pointer =
     when hasThreadSupport:
-      AcquireSys(HeapLock)
+      acquireSys(HeapLock)
       result = alloc(sharedHeap, size)
-      ReleaseSys(HeapLock)
+      releaseSys(HeapLock)
     else:
       result = alloc(size)
 
@@ -817,17 +818,17 @@ template InstantiateForRegion(allocator: expr) =
 
   proc deallocShared(p: pointer) =
     when hasThreadSupport: 
-      AcquireSys(HeapLock)
+      acquireSys(HeapLock)
       dealloc(sharedHeap, p)
-      ReleaseSys(HeapLock)
+      releaseSys(HeapLock)
     else:
       dealloc(p)
 
   proc reallocShared(p: pointer, newsize: int): pointer =
     when hasThreadSupport: 
-      AcquireSys(HeapLock)
+      acquireSys(HeapLock)
       result = realloc(sharedHeap, p, newsize)
-      ReleaseSys(HeapLock)
+      releaseSys(HeapLock)
     else:
       result = realloc(p, newsize)
 
diff --git a/lib/system/assign.nim b/lib/system/assign.nim
index 3b43abcd1..525822620 100644
--- a/lib/system/assign.nim
+++ b/lib/system/assign.nim
@@ -168,12 +168,12 @@ proc objectInit(dest: Pointer, typ: PNimType) =
   of tyArray, tyArrayConstr:
     for i in 0..(typ.size div typ.base.size)-1:
       objectInit(cast[pointer](d +% i * typ.base.size), typ.base)
-  else: nil # nothing to do
+  else: discard # nothing to do
   
 # ---------------------- assign zero -----------------------------------------
 
 when not defined(nimmixin):
-  proc destroy(x: int) = nil
+  proc destroy(x: int) = discard
   proc nimDestroyRange*[T](r: T) =
     # internal proc used for destroying sequences and arrays
     for i in countup(0, r.len - 1): destroy(r[i])
diff --git a/lib/system/atomics.nim b/lib/system/atomics.nim
index 36185e0a8..68ee74e84 100644
--- a/lib/system/atomics.nim
+++ b/lib/system/atomics.nim
@@ -7,62 +7,60 @@
 #    distribution, for details about the copyright.
 #
 
-# Atomic operations for Nimrod.
+## Atomic operations for Nimrod.
 
-when (defined(gcc) or defined(llvm_gcc)) and hasThreadSupport: 
-  
+when (defined(gcc) or defined(llvm_gcc)) and hasThreadSupport:
   type 
     AtomMemModel* = enum
-      ATOMIC_RELAXED, 
-    ## No barriers or synchronization. 
-      ATOMIC_CONSUME, 
-    ## Data dependency only for both barrier and synchronization with another thread.
-      ATOMIC_ACQUIRE, 
-    ## Barrier to hoisting of code and synchronizes with release (or stronger) 
-    ## semantic stores from another thread.
-      ATOMIC_RELEASE,
-    ## Barrier to sinking of code and synchronizes with acquire (or stronger) 
-    ## semantic loads from another thread. 
-      ATOMIC_ACQ_REL,
-    ## Full barrier in both directions and synchronizes with acquire loads 
-    ## and release stores in another thread.
-      ATOMIC_SEQ_CST
-    ## Full barrier in both directions and synchronizes with acquire loads 
-    ## and release stores in all threads.
+      ATOMIC_RELAXED,  ## No barriers or synchronization. 
+      ATOMIC_CONSUME,  ## Data dependency only for both barrier and
+                       ## synchronization with another thread.
+      ATOMIC_ACQUIRE,  ## Barrier to hoisting of code and synchronizes with
+                       ## release (or stronger) 
+                       ## semantic stores from another thread.
+      ATOMIC_RELEASE,  ## Barrier to sinking of code and synchronizes with
+                       ## acquire (or stronger) 
+                       ## semantic loads from another thread. 
+      ATOMIC_ACQ_REL,  ## Full barrier in both directions and synchronizes
+                       ## with acquire loads 
+                       ## and release stores in another thread.
+      ATOMIC_SEQ_CST   ## Full barrier in both directions and synchronizes
+                       ## with acquire loads 
+                       ## and release stores in all threads.
 
     TAtomType* = TNumber|pointer|ptr|char
-    ## Type Class representing valid types for use with atomic procs
+      ## Type Class representing valid types for use with atomic procs
 
-  proc atomic_load_n*[T: TAtomType](p: ptr T, mem: AtomMemModel): T {.
+  proc atomicLoadN*[T: TAtomType](p: ptr T, mem: AtomMemModel): T {.
     importc: "__atomic_load_n", nodecl.}
     ## This proc implements an atomic load operation. It returns the contents at p.
     ## ATOMIC_RELAXED, ATOMIC_SEQ_CST, ATOMIC_ACQUIRE, ATOMIC_CONSUME.
 
-  proc atomic_load*[T: TAtomType](p: ptr T, ret: ptr T, mem: AtomMemModel) {.
+  proc atomicLoad*[T: TAtomType](p: ptr T, ret: ptr T, mem: AtomMemModel) {.
     importc: "__atomic_load", nodecl.}  
     ## This is the generic version of an atomic load. It returns the contents at p in ret.
 
-  proc atomic_store_n*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel) {.
+  proc atomicStoreN*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel) {.
     importc: "__atomic_store_n", nodecl.} 
     ## This proc implements an atomic store operation. It writes val at p.
     ## ATOMIC_RELAXED, ATOMIC_SEQ_CST, and ATOMIC_RELEASE.
 
-  proc atomic_store*[T: TAtomType](p: ptr T, val: ptr T, mem: AtomMemModel) {.
+  proc atomicStore*[T: TAtomType](p: ptr T, val: ptr T, mem: AtomMemModel) {.
     importc: "__atomic_store", nodecl.}
     ## This is the generic version of an atomic store. It stores the value of val at p
 
-  proc atomic_exchange_n*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
+  proc atomicExchangeN*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
     importc: "__atomic_exchange_n", nodecl.}
     ## This proc implements an atomic exchange operation. It writes val at p, 
     ## and returns the previous contents at p.
     ## ATOMIC_RELAXED, ATOMIC_SEQ_CST, ATOMIC_ACQUIRE, ATOMIC_RELEASE, ATOMIC_ACQ_REL
 
-  proc atomic_exchange*[T: TAtomType](p: ptr T, val: ptr T, ret: ptr T, mem: AtomMemModel) {.
+  proc atomicExchange*[T: TAtomType](p: ptr T, val: ptr T, ret: ptr T, mem: AtomMemModel) {.
     importc: "__atomic_exchange", nodecl.}
     ## This is the generic version of an atomic exchange. It stores the contents at val at p. 
     ## The original value at p is copied into ret.
 
-  proc atomic_compare_exchange_n*[T: TAtomType](p: ptr T, expected: ptr T, desired: T,
+  proc atomicCompareExchangeN*[T: TAtomType](p: ptr T, expected: ptr T, desired: T,
     weak: bool, success_memmodel: AtomMemModel, failure_memmodel: AtomMemModel): bool {.
     importc: "__atomic_compare_exchange_n ", nodecl.} 
     ## This proc implements an atomic compare and exchange operation. This compares the
@@ -78,7 +76,7 @@ when (defined(gcc) or defined(llvm_gcc)) and hasThreadSupport:
     ## cannot be __ATOMIC_RELEASE nor __ATOMIC_ACQ_REL. It also cannot be a stronger model 
     ## than that specified by success_memmodel.
 
-  proc atomic_compare_exchange*[T: TAtomType](p: ptr T, expected: ptr T, desired: ptr T,
+  proc atomicCompareExchange*[T: TAtomType](p: ptr T, expected: ptr T, desired: ptr T,
     weak: bool, success_memmodel: AtomMemModel, failure_memmodel: AtomMemModel): bool {.
     importc: "__atomic_compare_exchange_n ", nodecl.}  
     ## This proc implements the generic version of atomic_compare_exchange. 
@@ -86,58 +84,58 @@ when (defined(gcc) or defined(llvm_gcc)) and hasThreadSupport:
     ## value is also a pointer. 
 
   ## Perform the operation return the new value, all memory models are valid 
-  proc atomic_add_fetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
+  proc atomicAddFetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
     importc: "__atomic_add_fetch", nodecl.}
-  proc atomic_sub_fetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
+  proc atomicSubFetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
     importc: "__atomic_sub_fetch", nodecl.}
-  proc atomic_or_fetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
+  proc atomicOrFetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
     importc: "__atomic_or_fetch ", nodecl.}
-  proc atomic_and_fetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
+  proc atomicAndFetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
     importc: "__atomic_and_fetch", nodecl.}
-  proc atomic_xor_fetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.   
+  proc atomicXorFetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.   
     importc: "__atomic_xor_fetch", nodecl.}
-  proc atomic_nand_fetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.   
+  proc atomicNandFetch*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.   
     importc: "__atomic_nand_fetch ", nodecl.} 
 
   ## Perform the operation return the old value, all memory models are valid 
-  proc atomic_fetch_add*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
-    importc: "__atomic_fetch_add ", nodecl.}
-  proc atomic_fetch_sub*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.  
-    importc: "__atomic_fetch_sub ", nodecl.}
-  proc atomic_fetch_or*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.  
-    importc: "__atomic_fetch_or ", nodecl.}
-  proc atomic_fetch_and*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.   
-    importc: "__atomic_fetch_and ", nodecl.}
-  proc atomic_fetch_xor*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.  
-    importc: "__atomic_fetch_xor ", nodecl.}
-  proc atomic_fetch_nand*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.  
+  proc atomicFetchAdd*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.
+    importc: "__atomic_fetch_add", nodecl.}
+  proc atomicFetchSub*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.  
+    importc: "__atomic_fetch_sub", nodecl.}
+  proc atomicFetchOr*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.  
+    importc: "__atomic_fetch_or", nodecl.}
+  proc atomicFetchAnd*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.   
+    importc: "__atomic_fetch_and", nodecl.}
+  proc atomicFetchXor*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.  
+    importc: "__atomic_fetch_xor", nodecl.}
+  proc atomicFetchAand*[T: TAtomType](p: ptr T, val: T, mem: AtomMemModel): T {.  
     importc: "__atomic_fetch_nand", nodecl.} 
 
-  proc atomic_test_and_set*(p: pointer, mem: AtomMemModel): bool {.  
-    importc: "__atomic_test_and_set ", nodecl.} 
+  proc atomicTestAndSet*(p: pointer, mem: AtomMemModel): bool {.  
+    importc: "__atomic_test_and_set", nodecl.} 
     ## This built-in function performs an atomic test-and-set operation on the byte at p. 
     ## The byte is set to some implementation defined nonzero “set” value and the return
     ## value is true if and only if the previous contents were “set”.
     ## All memory models are valid.
 
-  proc atomic_clear*(p: pointer, mem: AtomMemModel) {.  
+  proc atomicClear*(p: pointer, mem: AtomMemModel) {.  
     importc: "__atomic_clear", nodecl.}
     ## This built-in function performs an atomic clear operation at p. 
     ## After the operation, at p contains 0.
     ## ATOMIC_RELAXED, ATOMIC_SEQ_CST, ATOMIC_RELEASE
 
-  proc atomic_thread_fence*(mem: AtomMemModel) {.  
-    importc: "__atomic_thread_fence ", nodecl.}
+  proc atomicThreadFence*(mem: AtomMemModel) {.  
+    importc: "__atomic_thread_fence", nodecl.}
     ## This built-in function acts as a synchronization fence between threads based 
     ## on the specified memory model. All memory orders are valid.
 
-  proc atomic_signal_fence*(mem: AtomMemModel) {.  
-    importc: "__atomic_signal_fence  ", nodecl.}
+  proc atomicSignalFence*(mem: AtomMemModel) {.  
+    importc: "__atomic_signal_fence", nodecl.}
     ## This built-in function acts as a synchronization fence between a thread and 
     ## signal handlers based in the same thread. All memory orders are valid.
 
-  proc atomic_always_lock_free*(size: int, p: pointer): bool {.  
-    importc: "__atomic_always_lock_free   ", nodecl.}
+  proc atomicAlwaysLockFree*(size: int, p: pointer): bool {.  
+    importc: "__atomic_always_lock_free", nodecl.}
     ## This built-in function returns true if objects of size bytes always generate 
     ## lock free atomic instructions for the target architecture. size must resolve 
     ## to a compile-time constant and the result also resolves to a compile-time constant.
@@ -145,8 +143,8 @@ when (defined(gcc) or defined(llvm_gcc)) and hasThreadSupport:
     ## A value of 0 indicates typical alignment should be used. The compiler may also 
     ## ignore this parameter.
 
-  proc atomic_is_lock_free*(size: int, p: pointer): bool {.  
-    importc: "__atomic_is_lock_free    ", nodecl.}
+  proc atomicIsLockFree*(size: int, p: pointer): bool {.  
+    importc: "__atomic_is_lock_free", nodecl.}
     ## This built-in function returns true if objects of size bytes always generate 
     ## lock free atomic instructions for the target architecture. If it is not known 
     ## to be lock free a call is made to a runtime routine named __atomic_is_lock_free.
@@ -154,19 +152,14 @@ when (defined(gcc) or defined(llvm_gcc)) and hasThreadSupport:
     ## A value of 0 indicates typical alignment should be used. The compiler may also 
     ## ignore this parameter.
 
-
-
 elif defined(vcc) and hasThreadSupport:
-  proc add_and_fetch*(p: ptr int, val: int): int {.
+  proc addAndFetch*(p: ptr int, val: int): int {.
     importc: "NimXadd", nodecl.}
 else:
-  proc add_and_fetch*(p: ptr int, val: int): int {.inline.} =
+  proc addAndFetch*(p: ptr int, val: int): int {.inline.} =
     inc(p[], val)
     result = p[]
 
-
-
-
 # atomic compare and swap (CAS) funcitons to implement lock-free algorithms  
       
 #if defined(windows) and not defined(gcc) and hasThreadSupport:
@@ -210,6 +203,3 @@ proc atomicDec*(memLoc: var int, x: int = 1): int =
   else:
     dec(memLoc, x)
     result = memLoc  
-
-
-
diff --git a/lib/system/avltree.nim b/lib/system/avltree.nim
index 6a268b453..fc965d6aa 100644
--- a/lib/system/avltree.nim
+++ b/lib/system/avltree.nim
@@ -9,30 +9,30 @@
 
 # not really an AVL tree anymore, but still balanced ...
 
-template IsBottom(n: PAvlNode): bool = n == bottom
+template isBottom(n: PAvlNode): bool = n == bottom
 
 proc lowGauge(n: PAvlNode): int =
   var it = n
-  while not IsBottom(it):
+  while not isBottom(it):
     result = it.key
     it = it.link[0]
   
 proc highGauge(n: PAvlNode): int =
   result = -1
   var it = n
-  while not IsBottom(it):
+  while not isBottom(it):
     result = it.upperBound
     it = it.link[1]
 
 proc find(root: PAvlNode, key: int): PAvlNode = 
   var it = root
-  while not IsBottom(it):
+  while not isBottom(it):
     if it.key == key: return it
     it = it.link[ord(it.key <% key)]
 
 proc inRange(root: PAvlNode, key: int): PAvlNode =
   var it = root
-  while not IsBottom(it):
+  while not isBottom(it):
     if it.key <=% key and key <% it.upperBound: return it
     it = it.link[ord(it.key <% key)]
 
diff --git a/lib/system/cellsets.nim b/lib/system/cellsets.nim
index 7ad814da4..85a24e856 100644
--- a/lib/system/cellsets.nim
+++ b/lib/system/cellsets.nim
@@ -43,15 +43,15 @@ type
 
 proc contains(s: TCellSeq, c: PCell): bool {.inline.} =
   for i in 0 .. s.len-1:
-    if s.d[i] == c: return True
-  return False
+    if s.d[i] == c: return true
+  return false
 
 proc add(s: var TCellSeq, c: PCell) {.inline.} =
   if s.len >= s.cap:
     s.cap = s.cap * 3 div 2
-    var d = cast[PCellArray](Alloc(s.cap * sizeof(PCell)))
+    var d = cast[PCellArray](alloc(s.cap * sizeof(PCell)))
     copyMem(d, s.d, s.len * sizeof(PCell))
-    Dealloc(s.d)
+    dealloc(s.d)
     s.d = d
     # XXX: realloc?
   s.d[s.len] = c
@@ -60,10 +60,10 @@ proc add(s: var TCellSeq, c: PCell) {.inline.} =
 proc init(s: var TCellSeq, cap: int = 1024) =
   s.len = 0
   s.cap = cap
-  s.d = cast[PCellArray](Alloc0(cap * sizeof(PCell)))
+  s.d = cast[PCellArray](alloc0(cap * sizeof(PCell)))
 
 proc deinit(s: var TCellSeq) = 
-  Dealloc(s.d)
+  dealloc(s.d)
   s.d = nil
   s.len = 0
   s.cap = 0
@@ -73,20 +73,20 @@ proc deinit(s: var TCellSeq) =
 const
   InitCellSetSize = 1024 # must be a power of two!
 
-proc Init(s: var TCellSet) =
-  s.data = cast[PPageDescArray](Alloc0(InitCellSetSize * sizeof(PPageDesc)))
+proc init(s: var TCellSet) =
+  s.data = cast[PPageDescArray](alloc0(InitCellSetSize * sizeof(PPageDesc)))
   s.max = InitCellSetSize-1
   s.counter = 0
   s.head = nil
 
-proc Deinit(s: var TCellSet) =
+proc deinit(s: var TCellSet) =
   var it = s.head
   while it != nil:
     var n = it.next
-    Dealloc(it)
+    dealloc(it)
     it = n
   s.head = nil # play it safe here
-  Dealloc(s.data)
+  dealloc(s.data)
   s.data = nil
   s.counter = 0
 
@@ -96,14 +96,14 @@ proc nextTry(h, maxHash: int): int {.inline.} =
   # generates each int in range(maxHash) exactly once (see any text on
   # random-number generation for proof).
   
-proc CellSetGet(t: TCellSet, key: TAddress): PPageDesc =
+proc cellSetGet(t: TCellSet, key: TAddress): PPageDesc =
   var h = cast[int](key) and t.max
   while t.data[h] != nil:
     if t.data[h].key == key: return t.data[h]
     h = nextTry(h, t.max)
   return nil
 
-proc CellSetRawInsert(t: TCellSet, data: PPageDescArray, desc: PPageDesc) =
+proc cellSetRawInsert(t: TCellSet, data: PPageDescArray, desc: PPageDesc) =
   var h = cast[int](desc.key) and t.max
   while data[h] != nil:
     sysAssert(data[h] != desc, "CellSetRawInsert 1")
@@ -111,17 +111,17 @@ proc CellSetRawInsert(t: TCellSet, data: PPageDescArray, desc: PPageDesc) =
   sysAssert(data[h] == nil, "CellSetRawInsert 2")
   data[h] = desc
 
-proc CellSetEnlarge(t: var TCellSet) =
+proc cellSetEnlarge(t: var TCellSet) =
   var oldMax = t.max
   t.max = ((t.max+1)*2)-1
-  var n = cast[PPageDescArray](Alloc0((t.max + 1) * sizeof(PPageDesc)))
+  var n = cast[PPageDescArray](alloc0((t.max + 1) * sizeof(PPageDesc)))
   for i in 0 .. oldmax:
     if t.data[i] != nil:
-      CellSetRawInsert(t, n, t.data[i])
-  Dealloc(t.data)
+      cellSetRawInsert(t, n, t.data[i])
+  dealloc(t.data)
   t.data = n
 
-proc CellSetPut(t: var TCellSet, key: TAddress): PPageDesc =
+proc cellSetPut(t: var TCellSet, key: TAddress): PPageDesc =
   var h = cast[int](key) and t.max
   while true:
     var x = t.data[h]
@@ -130,13 +130,13 @@ proc CellSetPut(t: var TCellSet, key: TAddress): PPageDesc =
     h = nextTry(h, t.max)
 
   if ((t.max+1)*2 < t.counter*3) or ((t.max+1)-t.counter < 4):
-    CellSetEnlarge(t)
+    cellSetEnlarge(t)
   inc(t.counter)
   h = cast[int](key) and t.max
   while t.data[h] != nil: h = nextTry(h, t.max)
   sysAssert(t.data[h] == nil, "CellSetPut")
   # the new page descriptor goes into result
-  result = cast[PPageDesc](Alloc0(sizeof(TPageDesc)))
+  result = cast[PPageDesc](alloc0(sizeof(TPageDesc)))
   result.next = t.head
   result.key = key
   t.head = result
@@ -146,7 +146,7 @@ proc CellSetPut(t: var TCellSet, key: TAddress): PPageDesc =
 
 proc contains(s: TCellSet, cell: PCell): bool =
   var u = cast[TAddress](cell)
-  var t = CellSetGet(s, u shr PageShift)
+  var t = cellSetGet(s, u shr PageShift)
   if t != nil:
     u = (u %% PageSize) /% MemAlign
     result = (t.bits[u shr IntShift] and (1 shl (u and IntMask))) != 0
@@ -155,13 +155,13 @@ proc contains(s: TCellSet, cell: PCell): bool =
 
 proc incl(s: var TCellSet, cell: PCell) {.noinline.} =
   var u = cast[TAddress](cell)
-  var t = CellSetPut(s, u shr PageShift)
+  var t = cellSetPut(s, u shr PageShift)
   u = (u %% PageSize) /% MemAlign
   t.bits[u shr IntShift] = t.bits[u shr IntShift] or (1 shl (u and IntMask))
 
 proc excl(s: var TCellSet, cell: PCell) =
   var u = cast[TAddress](cell)
-  var t = CellSetGet(s, u shr PageShift)
+  var t = cellSetGet(s, u shr PageShift)
   if t != nil:
     u = (u %% PageSize) /% MemAlign
     t.bits[u shr IntShift] = (t.bits[u shr IntShift] and
@@ -169,7 +169,7 @@ proc excl(s: var TCellSet, cell: PCell) =
 
 proc containsOrIncl(s: var TCellSet, cell: PCell): bool = 
   var u = cast[TAddress](cell)
-  var t = CellSetGet(s, u shr PageShift)
+  var t = cellSetGet(s, u shr PageShift)
   if t != nil:
     u = (u %% PageSize) /% MemAlign
     result = (t.bits[u shr IntShift] and (1 shl (u and IntMask))) != 0
@@ -177,7 +177,7 @@ proc containsOrIncl(s: var TCellSet, cell: PCell): bool =
       t.bits[u shr IntShift] = t.bits[u shr IntShift] or
           (1 shl (u and IntMask))
   else: 
-    Incl(s, cell)
+    incl(s, cell)
     result = false
 
 iterator elements(t: TCellSet): PCell {.inline.} =
diff --git a/lib/system/dyncalls.nim b/lib/system/dyncalls.nim
index 6a80369b9..65f8cbb09 100644
--- a/lib/system/dyncalls.nim
+++ b/lib/system/dyncalls.nim
@@ -28,7 +28,7 @@ proc nimLoadLibraryError(path: string) =
   stdout.rawWrite("\n")
   quit(1)
 
-proc ProcAddrError(name: cstring) {.noinline.} =
+proc procAddrError(name: cstring) {.noinline.} =
   # carefully written to avoid memory allocation:
   stdout.rawWrite("could not import: ")
   stdout.write(name)
@@ -83,21 +83,22 @@ elif defined(windows) or defined(dos):
   type
     THINSTANCE {.importc: "HINSTANCE".} = pointer
 
-  proc FreeLibrary(lib: THINSTANCE) {.importc, header: "<windows.h>", stdcall.}
+  proc freeLibrary(lib: THINSTANCE) {.
+      importc: "FreeLibrary", header: "<windows.h>", stdcall.}
   proc winLoadLibrary(path: cstring): THINSTANCE {.
       importc: "LoadLibraryA", header: "<windows.h>", stdcall.}
-  proc GetProcAddress(lib: THINSTANCE, name: cstring): TProcAddr {.
+  proc getProcAddress(lib: THINSTANCE, name: cstring): TProcAddr {.
       importc: "GetProcAddress", header: "<windows.h>", stdcall.}
 
   proc nimUnloadLibrary(lib: TLibHandle) =
-    FreeLibrary(cast[THINSTANCE](lib))
+    freeLibrary(cast[THINSTANCE](lib))
 
   proc nimLoadLibrary(path: string): TLibHandle =
     result = cast[TLibHandle](winLoadLibrary(path))
 
   proc nimGetProcAddr(lib: TLibHandle, name: cstring): TProcAddr =
-    result = GetProcAddress(cast[THINSTANCE](lib), name)
-    if result == nil: ProcAddrError(name)
+    result = getProcAddress(cast[THINSTANCE](lib), name)
+    if result == nil: procAddrError(name)
 
 elif defined(mac):
   #
diff --git a/lib/system/gc.nim b/lib/system/gc.nim
index 68e8b423d..2daa3eafa 100644
--- a/lib/system/gc.nim
+++ b/lib/system/gc.nim
@@ -151,7 +151,7 @@ template gcTrace(cell, state: expr): stmt {.immediate.} =
 
 # forward declarations:
 proc collectCT(gch: var TGcHeap)
-proc IsOnStack*(p: pointer): bool {.noinline.}
+proc isOnStack*(p: pointer): bool {.noinline.}
 proc forAllChildren(cell: PCell, op: TWalkOp)
 proc doOperation(p: pointer, op: TWalkOp)
 proc forAllChildrenAux(dest: Pointer, mt: PNimType, op: TWalkOp)
@@ -669,7 +669,7 @@ proc doOperation(p: pointer, op: TWalkOp) =
 proc nimGCvisit(d: pointer, op: int) {.compilerRtl.} =
   doOperation(d, TWalkOp(op))
 
-proc CollectZCT(gch: var TGcHeap): bool
+proc collectZCT(gch: var TGcHeap): bool
 
 when useMarkForDebug or useBackupGc:
   proc markStackAndRegistersForSweep(gch: var TGcHeap) {.noinline, cdecl.}
diff --git a/lib/system/repr.nim b/lib/system/repr.nim
index a51864ac2..f0d620952 100644
--- a/lib/system/repr.nim
+++ b/lib/system/repr.nim
@@ -72,7 +72,7 @@ proc reprEnum(e: int, typ: PNimType): string {.compilerRtl.} =
   result = $e & " (invalid data!)"
 
 type
-  pbyteArray = ptr array[0.. 0xffff, int8]
+  PByteArray = ptr array[0.. 0xffff, int8]
 
 proc addSetElem(result: var string, elem: int, typ: PNimType) =
   case typ.kind
diff --git a/lib/system/syslocks.nim b/lib/system/syslocks.nim
index 4d81dee01..0f67af40c 100644
--- a/lib/system/syslocks.nim
+++ b/lib/system/syslocks.nim
@@ -22,48 +22,48 @@ when defined(Windows):
 
     TSysCond = THandle
           
-  proc InitSysLock(L: var TSysLock) {.stdcall, noSideEffect,
+  proc initSysLock(L: var TSysLock) {.stdcall, noSideEffect,
     dynlib: "kernel32", importc: "InitializeCriticalSection".}
     ## Initializes the lock `L`.
 
-  proc TryAcquireSysAux(L: var TSysLock): int32 {.stdcall, noSideEffect,
+  proc tryAcquireSysAux(L: var TSysLock): int32 {.stdcall, noSideEffect,
     dynlib: "kernel32", importc: "TryEnterCriticalSection".}
     ## Tries to acquire the lock `L`.
     
-  proc TryAcquireSys(L: var TSysLock): bool {.inline.} = 
+  proc tryAcquireSys(L: var TSysLock): bool {.inline.} = 
     result = TryAcquireSysAux(L) != 0'i32
 
-  proc AcquireSys(L: var TSysLock) {.stdcall, noSideEffect,
+  proc acquireSys(L: var TSysLock) {.stdcall, noSideEffect,
     dynlib: "kernel32", importc: "EnterCriticalSection".}
     ## Acquires the lock `L`.
     
-  proc ReleaseSys(L: var TSysLock) {.stdcall, noSideEffect,
+  proc releaseSys(L: var TSysLock) {.stdcall, noSideEffect,
     dynlib: "kernel32", importc: "LeaveCriticalSection".}
     ## Releases the lock `L`.
 
-  proc DeinitSys(L: var TSysLock) {.stdcall, noSideEffect,
+  proc deinitSys(L: var TSysLock) {.stdcall, noSideEffect,
     dynlib: "kernel32", importc: "DeleteCriticalSection".}
 
-  proc CreateEvent(lpEventAttributes: pointer, 
+  proc createEvent(lpEventAttributes: pointer, 
                    bManualReset, bInitialState: int32,
                    lpName: cstring): TSysCond {.stdcall, noSideEffect,
     dynlib: "kernel32", importc: "CreateEventA".}
   
-  proc CloseHandle(hObject: THandle) {.stdcall, noSideEffect,
+  proc closeHandle(hObject: THandle) {.stdcall, noSideEffect,
     dynlib: "kernel32", importc: "CloseHandle".}
-  proc WaitForSingleObject(hHandle: THandle, dwMilliseconds: int32): int32 {.
+  proc waitForSingleObject(hHandle: THandle, dwMilliseconds: int32): int32 {.
     stdcall, dynlib: "kernel32", importc: "WaitForSingleObject".}
 
-  proc SignalSysCond(hEvent: TSysCond) {.stdcall, noSideEffect,
+  proc signalSysCond(hEvent: TSysCond) {.stdcall, noSideEffect,
     dynlib: "kernel32", importc: "SetEvent".}
   
-  proc InitSysCond(cond: var TSysCond) {.inline.} =
-    cond = CreateEvent(nil, 0'i32, 0'i32, nil)
-  proc DeinitSysCond(cond: var TSysCond) {.inline.} =
-    CloseHandle(cond)
-  proc WaitSysCond(cond: var TSysCond, lock: var TSysLock) =
+  proc initSysCond(cond: var TSysCond) {.inline.} =
+    cond = createEvent(nil, 0'i32, 0'i32, nil)
+  proc deinitSysCond(cond: var TSysCond) {.inline.} =
+    closeHandle(cond)
+  proc waitSysCond(cond: var TSysCond, lock: var TSysLock) =
     releaseSys(lock)
-    discard WaitForSingleObject(cond, -1'i32)
+    discard waitForSingleObject(cond, -1'i32)
     acquireSys(lock)
 
 else:
@@ -73,29 +73,29 @@ else:
     TSysCond {.importc: "pthread_cond_t", pure, final,
                header: "<sys/types.h>".} = object
 
-  proc InitSysLock(L: var TSysLock, attr: pointer = nil) {.
+  proc initSysLock(L: var TSysLock, attr: pointer = nil) {.
     importc: "pthread_mutex_init", header: "<pthread.h>", noSideEffect.}
 
-  proc AcquireSys(L: var TSysLock) {.noSideEffect,
+  proc acquireSys(L: var TSysLock) {.noSideEffect,
     importc: "pthread_mutex_lock", header: "<pthread.h>".}
-  proc TryAcquireSysAux(L: var TSysLock): cint {.noSideEffect,
+  proc tryAcquireSysAux(L: var TSysLock): cint {.noSideEffect,
     importc: "pthread_mutex_trylock", header: "<pthread.h>".}
 
-  proc TryAcquireSys(L: var TSysLock): bool {.inline.} = 
-    result = TryAcquireSysAux(L) == 0'i32
+  proc tryAcquireSys(L: var TSysLock): bool {.inline.} = 
+    result = tryAcquireSysAux(L) == 0'i32
 
-  proc ReleaseSys(L: var TSysLock) {.noSideEffect,
+  proc releaseSys(L: var TSysLock) {.noSideEffect,
     importc: "pthread_mutex_unlock", header: "<pthread.h>".}
-  proc DeinitSys(L: var TSysLock) {.
+  proc deinitSys(L: var TSysLock) {.
     importc: "pthread_mutex_destroy", header: "<pthread.h>".}
 
-  proc InitSysCond(cond: var TSysCond, cond_attr: pointer = nil) {.
+  proc initSysCond(cond: var TSysCond, cond_attr: pointer = nil) {.
     importc: "pthread_cond_init", header: "<pthread.h>".}
-  proc WaitSysCond(cond: var TSysCond, lock: var TSysLock) {.
+  proc waitSysCond(cond: var TSysCond, lock: var TSysLock) {.
     importc: "pthread_cond_wait", header: "<pthread.h>".}
-  proc SignalSysCond(cond: var TSysCond) {.
+  proc signalSysCond(cond: var TSysCond) {.
     importc: "pthread_cond_signal", header: "<pthread.h>".}
   
-  proc DeinitSysCond(cond: var TSysCond) {.
+  proc deinitSysCond(cond: var TSysCond) {.
     importc: "pthread_cond_destroy", header: "<pthread.h>".}
   
diff --git a/lib/windows/winlean.nim b/lib/windows/winlean.nim
index 264285d09..c2089906a 100644
--- a/lib/windows/winlean.nim
+++ b/lib/windows/winlean.nim
@@ -96,25 +96,25 @@ const
   
   CREATE_UNICODE_ENVIRONMENT* = 1024'i32
 
-proc CloseHandle*(hObject: THANDLE): WINBOOL {.stdcall, dynlib: "kernel32",
+proc closeHandle*(hObject: THANDLE): WINBOOL {.stdcall, dynlib: "kernel32",
     importc: "CloseHandle".}
     
-proc ReadFile*(hFile: THandle, Buffer: pointer, nNumberOfBytesToRead: int32,
+proc readFile*(hFile: THandle, Buffer: pointer, nNumberOfBytesToRead: int32,
                lpNumberOfBytesRead: var int32, lpOverlapped: pointer): WINBOOL{.
     stdcall, dynlib: "kernel32", importc: "ReadFile".}
     
-proc WriteFile*(hFile: THandle, Buffer: pointer, nNumberOfBytesToWrite: int32,
+proc writeFile*(hFile: THandle, Buffer: pointer, nNumberOfBytesToWrite: int32,
                 lpNumberOfBytesWritten: var int32, 
                 lpOverlapped: pointer): WINBOOL{.
     stdcall, dynlib: "kernel32", importc: "WriteFile".}
 
-proc CreatePipe*(hReadPipe, hWritePipe: var THandle,
+proc createPipe*(hReadPipe, hWritePipe: var THandle,
                  lpPipeAttributes: var TSECURITY_ATTRIBUTES, 
                  nSize: int32): WINBOOL{.
     stdcall, dynlib: "kernel32", importc: "CreatePipe".}
 
 when useWinUnicode:
-  proc CreateProcessW*(lpApplicationName, lpCommandLine: widecstring,
+  proc createProcessW*(lpApplicationName, lpCommandLine: widecstring,
                      lpProcessAttributes: ptr TSECURITY_ATTRIBUTES,
                      lpThreadAttributes: ptr TSECURITY_ATTRIBUTES,
                      bInheritHandles: WINBOOL, dwCreationFlags: int32,
@@ -124,7 +124,7 @@ when useWinUnicode:
     stdcall, dynlib: "kernel32", importc: "CreateProcessW".}
 
 else:
-  proc CreateProcessA*(lpApplicationName, lpCommandLine: cstring,
+  proc createProcessA*(lpApplicationName, lpCommandLine: cstring,
                        lpProcessAttributes: ptr TSECURITY_ATTRIBUTES,
                        lpThreadAttributes: ptr TSECURITY_ATTRIBUTES,
                        bInheritHandles: WINBOOL, dwCreationFlags: int32,
@@ -134,74 +134,76 @@ else:
       stdcall, dynlib: "kernel32", importc: "CreateProcessA".}
 
 
-proc SuspendThread*(hThread: THANDLE): int32 {.stdcall, dynlib: "kernel32",
+proc suspendThread*(hThread: THANDLE): int32 {.stdcall, dynlib: "kernel32",
     importc: "SuspendThread".}
-proc ResumeThread*(hThread: THANDLE): int32 {.stdcall, dynlib: "kernel32",
+proc resumeThread*(hThread: THANDLE): int32 {.stdcall, dynlib: "kernel32",
     importc: "ResumeThread".}
 
-proc WaitForSingleObject*(hHandle: THANDLE, dwMilliseconds: int32): int32 {.
+proc waitForSingleObject*(hHandle: THANDLE, dwMilliseconds: int32): int32 {.
     stdcall, dynlib: "kernel32", importc: "WaitForSingleObject".}
 
-proc TerminateProcess*(hProcess: THANDLE, uExitCode: int): WINBOOL {.stdcall,
+proc terminateProcess*(hProcess: THANDLE, uExitCode: int): WINBOOL {.stdcall,
     dynlib: "kernel32", importc: "TerminateProcess".}
 
-proc GetExitCodeProcess*(hProcess: THANDLE, lpExitCode: var int32): WINBOOL {.
+proc getExitCodeProcess*(hProcess: THANDLE, lpExitCode: var int32): WINBOOL {.
     stdcall, dynlib: "kernel32", importc: "GetExitCodeProcess".}
 
-proc GetStdHandle*(nStdHandle: int32): THANDLE {.stdcall, dynlib: "kernel32",
+proc getStdHandle*(nStdHandle: int32): THANDLE {.stdcall, dynlib: "kernel32",
     importc: "GetStdHandle".}
-proc SetStdHandle*(nStdHandle: int32, hHandle: THANDLE): WINBOOL {.stdcall,
+proc setStdHandle*(nStdHandle: int32, hHandle: THANDLE): WINBOOL {.stdcall,
     dynlib: "kernel32", importc: "SetStdHandle".}
-proc FlushFileBuffers*(hFile: THANDLE): WINBOOL {.stdcall, dynlib: "kernel32",
+proc flushFileBuffers*(hFile: THANDLE): WINBOOL {.stdcall, dynlib: "kernel32",
     importc: "FlushFileBuffers".}
 
-proc GetLastError*(): int32 {.importc, stdcall, dynlib: "kernel32".}
+proc getLastError*(): int32 {.importc: "GetLastError", 
+    stdcall, dynlib: "kernel32".}
 
 when useWinUnicode:
-  proc FormatMessageW*(dwFlags: int32, lpSource: pointer,
+  proc formatMessageW*(dwFlags: int32, lpSource: pointer,
                       dwMessageId, dwLanguageId: int32,
                       lpBuffer: pointer, nSize: int32,
                       Arguments: pointer): int32 {.
-                      importc, stdcall, dynlib: "kernel32".}
+                      importc: "FormatMessageW", stdcall, dynlib: "kernel32".}
 else:
-  proc FormatMessageA*(dwFlags: int32, lpSource: pointer,
+  proc formatMessageA*(dwFlags: int32, lpSource: pointer,
                     dwMessageId, dwLanguageId: int32,
                     lpBuffer: pointer, nSize: int32,
                     Arguments: pointer): int32 {.
-                    importc, stdcall, dynlib: "kernel32".}
+                    importc: "FormatMessageA", stdcall, dynlib: "kernel32".}
 
-proc LocalFree*(p: pointer) {.importc, stdcall, dynlib: "kernel32".}
+proc localFree*(p: pointer) {.
+  importc: "LocalFree", stdcall, dynlib: "kernel32".}
 
 when useWinUnicode:
-  proc GetCurrentDirectoryW*(nBufferLength: int32, 
+  proc getCurrentDirectoryW*(nBufferLength: int32, 
                              lpBuffer: widecstring): int32 {.
-    importc, dynlib: "kernel32", stdcall.}
-  proc SetCurrentDirectoryW*(lpPathName: widecstring): int32 {.
-    importc, dynlib: "kernel32", stdcall.}
-  proc CreateDirectoryW*(pathName: widecstring, security: Pointer=nil): int32 {.
+    importc: "GetCurrentDirectoryW", dynlib: "kernel32", stdcall.}
+  proc setCurrentDirectoryW*(lpPathName: widecstring): int32 {.
+    importc: "SetCurrentDirectoryW", dynlib: "kernel32", stdcall.}
+  proc createDirectoryW*(pathName: widecstring, security: Pointer=nil): int32 {.
     importc: "CreateDirectoryW", dynlib: "kernel32", stdcall.}
-  proc RemoveDirectoryW*(lpPathName: widecstring): int32 {.
-    importc, dynlib: "kernel32", stdcall.}
-  proc SetEnvironmentVariableW*(lpName, lpValue: widecstring): int32 {.
-    stdcall, dynlib: "kernel32", importc.}
+  proc removeDirectoryW*(lpPathName: widecstring): int32 {.
+    importc: "RemoveDirectoryW", dynlib: "kernel32", stdcall.}
+  proc setEnvironmentVariableW*(lpName, lpValue: widecstring): int32 {.
+    stdcall, dynlib: "kernel32", importc: "SetEnvironmentVariableW".}
 
-  proc GetModuleFileNameW*(handle: THandle, buf: wideCString, 
-                           size: int32): int32 {.importc, 
+  proc getModuleFileNameW*(handle: THandle, buf: wideCString, 
+                           size: int32): int32 {.importc: "GetModuleFileNameW", 
     dynlib: "kernel32", stdcall.}
 else:
-  proc GetCurrentDirectoryA*(nBufferLength: int32, lpBuffer: cstring): int32 {.
-    importc, dynlib: "kernel32", stdcall.}
-  proc SetCurrentDirectoryA*(lpPathName: cstring): int32 {.
-    importc, dynlib: "kernel32", stdcall.}
-  proc CreateDirectoryA*(pathName: cstring, security: Pointer=nil): int32 {.
+  proc getCurrentDirectoryA*(nBufferLength: int32, lpBuffer: cstring): int32 {.
+    importc: "GetCurrentDirectoryA", dynlib: "kernel32", stdcall.}
+  proc setCurrentDirectoryA*(lpPathName: cstring): int32 {.
+    importc: "SetCurrentDirectoryA", dynlib: "kernel32", stdcall.}
+  proc createDirectoryA*(pathName: cstring, security: Pointer=nil): int32 {.
     importc: "CreateDirectoryA", dynlib: "kernel32", stdcall.}
-  proc RemoveDirectoryA*(lpPathName: cstring): int32 {.
-    importc, dynlib: "kernel32", stdcall.}
-  proc SetEnvironmentVariableA*(lpName, lpValue: cstring): int32 {.
-    stdcall, dynlib: "kernel32", importc.}
+  proc removeDirectoryA*(lpPathName: cstring): int32 {.
+    importc: "RemoveDirectoryA", dynlib: "kernel32", stdcall.}
+  proc setEnvironmentVariableA*(lpName, lpValue: cstring): int32 {.
+    stdcall, dynlib: "kernel32", importc: "SetEnvironmentVariableA".}
 
-  proc GetModuleFileNameA*(handle: THandle, buf: CString, size: int32): int32 {.
-    importc, dynlib: "kernel32", stdcall.}
+  proc getModuleFileNameA*(handle: THandle, buf: CString, size: int32): int32 {.
+    importc: "GetModuleFileNameA", dynlib: "kernel32", stdcall.}
   
 const
   FILE_ATTRIBUTE_ARCHIVE* = 32'i32
@@ -228,65 +230,71 @@ type
     cAlternateFileName*: array[0..13, TWinChar]
 
 when useWinUnicode:
-  proc FindFirstFileW*(lpFileName: widecstring,
+  proc findFirstFileW*(lpFileName: widecstring,
                       lpFindFileData: var TWIN32_FIND_DATA): THANDLE {.
       stdcall, dynlib: "kernel32", importc: "FindFirstFileW".}
-  proc FindNextFileW*(hFindFile: THANDLE,
+  proc findNextFileW*(hFindFile: THANDLE,
                      lpFindFileData: var TWIN32_FIND_DATA): int32 {.
       stdcall, dynlib: "kernel32", importc: "FindNextFileW".}
 else:
-  proc FindFirstFileA*(lpFileName: cstring,
+  proc findFirstFileA*(lpFileName: cstring,
                       lpFindFileData: var TWIN32_FIND_DATA): THANDLE {.
       stdcall, dynlib: "kernel32", importc: "FindFirstFileA".}
-  proc FindNextFileA*(hFindFile: THANDLE,
+  proc findNextFileA*(hFindFile: THANDLE,
                      lpFindFileData: var TWIN32_FIND_DATA): int32 {.
       stdcall, dynlib: "kernel32", importc: "FindNextFileA".}
 
-proc FindClose*(hFindFile: THANDLE) {.stdcall, dynlib: "kernel32",
+proc findClose*(hFindFile: THANDLE) {.stdcall, dynlib: "kernel32",
   importc: "FindClose".}
 
 when useWinUnicode:
-  proc GetFullPathNameW*(lpFileName: widecstring, nBufferLength: int32,
+  proc getFullPathNameW*(lpFileName: widecstring, nBufferLength: int32,
                         lpBuffer: widecstring, 
                         lpFilePart: var widecstring): int32 {.
-                        stdcall, dynlib: "kernel32", importc.}
-  proc GetFileAttributesW*(lpFileName: widecstring): int32 {.
-                          stdcall, dynlib: "kernel32", importc.}
-  proc SetFileAttributesW*(lpFileName: widecstring, 
+                        stdcall, dynlib: "kernel32", 
+                        importc: "GetFullPathNameW".}
+  proc getFileAttributesW*(lpFileName: widecstring): int32 {.
+                          stdcall, dynlib: "kernel32", 
+                          importc: "GetFileAttributesW".}
+  proc setFileAttributesW*(lpFileName: widecstring, 
                            dwFileAttributes: int32): WINBOOL {.
       stdcall, dynlib: "kernel32", importc: "SetFileAttributesW".}
 
-  proc CopyFileW*(lpExistingFileName, lpNewFileName: wideCString,
+  proc copyFileW*(lpExistingFileName, lpNewFileName: wideCString,
                  bFailIfExists: cint): cint {.
-    importc, stdcall, dynlib: "kernel32".}
+    importc: "CopyFileW", stdcall, dynlib: "kernel32".}
 
-  proc GetEnvironmentStringsW*(): widecstring {.
-    stdcall, dynlib: "kernel32", importc.}
-  proc FreeEnvironmentStringsW*(para1: widecstring): int32 {.
-    stdcall, dynlib: "kernel32", importc.}
+  proc getEnvironmentStringsW*(): widecstring {.
+    stdcall, dynlib: "kernel32", importc: "GetEnvironmentStringsW".}
+  proc freeEnvironmentStringsW*(para1: widecstring): int32 {.
+    stdcall, dynlib: "kernel32", importc: "FreeEnvironmentStringsW".}
 
-  proc GetCommandLineW*(): wideCString {.importc, stdcall, dynlib: "kernel32".}
+  proc getCommandLineW*(): wideCString {.importc: "GetCommandLineW",
+    stdcall, dynlib: "kernel32".}
 
 else:
-  proc GetFullPathNameA*(lpFileName: cstring, nBufferLength: int32,
+  proc getFullPathNameA*(lpFileName: cstring, nBufferLength: int32,
                         lpBuffer: cstring, lpFilePart: var cstring): int32 {.
-                        stdcall, dynlib: "kernel32", importc.}
-  proc GetFileAttributesA*(lpFileName: cstring): int32 {.
-                          stdcall, dynlib: "kernel32", importc.}
-  proc SetFileAttributesA*(lpFileName: cstring, 
+                        stdcall, dynlib: "kernel32", 
+                        importc: "GetFullPathNameA".}
+  proc getFileAttributesA*(lpFileName: cstring): int32 {.
+                          stdcall, dynlib: "kernel32", 
+                          importc: "GetFileAttributesA".}
+  proc setFileAttributesA*(lpFileName: cstring, 
                            dwFileAttributes: int32): WINBOOL {.
       stdcall, dynlib: "kernel32", importc: "SetFileAttributesA".}
 
-  proc CopyFileA*(lpExistingFileName, lpNewFileName: CString,
+  proc copyFileA*(lpExistingFileName, lpNewFileName: CString,
                  bFailIfExists: cint): cint {.
-    importc, stdcall, dynlib: "kernel32".}
+    importc: "CopyFileA", stdcall, dynlib: "kernel32".}
 
-  proc GetEnvironmentStringsA*(): cstring {.
-    stdcall, dynlib: "kernel32", importc.}
-  proc FreeEnvironmentStringsA*(para1: cstring): int32 {.
-    stdcall, dynlib: "kernel32", importc.}
+  proc getEnvironmentStringsA*(): cstring {.
+    stdcall, dynlib: "kernel32", importc: "GetEnvironmentStringsA".}
+  proc freeEnvironmentStringsA*(para1: cstring): int32 {.
+    stdcall, dynlib: "kernel32", importc: "FreeEnvironmentStringsA".}
 
-  proc GetCommandLineA*(): CString {.importc, stdcall, dynlib: "kernel32".}
+  proc getCommandLineA*(): cstring {.
+    importc: "GetCommandLineA", stdcall, dynlib: "kernel32".}
 
 proc rdFileTime*(f: TFILETIME): int64 = 
   result = ze64(f.dwLowDateTime) or (ze64(f.dwHighDateTime) shl 32)
@@ -294,25 +302,25 @@ proc rdFileTime*(f: TFILETIME): int64 =
 proc rdFileSize*(f: TWin32FindData): int64 = 
   result = ze64(f.nFileSizeLow) or (ze64(f.nFileSizeHigh) shl 32)
 
-proc GetSystemTimeAsFileTime*(lpSystemTimeAsFileTime: var TFILETIME) {.
+proc getSystemTimeAsFileTime*(lpSystemTimeAsFileTime: var TFILETIME) {.
   importc: "GetSystemTimeAsFileTime", dynlib: "kernel32", stdcall.}
 
-proc Sleep*(dwMilliseconds: int32){.stdcall, dynlib: "kernel32",
+proc sleep*(dwMilliseconds: int32){.stdcall, dynlib: "kernel32",
                                     importc: "Sleep".}
 
 when useWinUnicode:
-  proc ShellExecuteW*(HWND: THandle, lpOperation, lpFile,
+  proc shellExecuteW*(HWND: THandle, lpOperation, lpFile,
                      lpParameters, lpDirectory: widecstring,
                      nShowCmd: int32): THandle{.
       stdcall, dynlib: "shell32.dll", importc: "ShellExecuteW".}
 
 else:
-  proc ShellExecuteA*(HWND: THandle, lpOperation, lpFile,
+  proc shellExecuteA*(HWND: THandle, lpOperation, lpFile,
                      lpParameters, lpDirectory: cstring,
                      nShowCmd: int32): THandle{.
       stdcall, dynlib: "shell32.dll", importc: "ShellExecuteA".}
   
-proc GetFileInformationByHandle*(hFile: THandle,
+proc getFileInformationByHandle*(hFile: THandle,
   lpFileInformation: ptr TBY_HANDLE_FILE_INFORMATION): WINBOOL{.
     stdcall, dynlib: "kernel32", importc: "GetFileInformationByHandle".}
 
@@ -526,7 +534,7 @@ type
   TWOHandleArray* = array[0..MAXIMUM_WAIT_OBJECTS - 1, THANDLE]
   PWOHandleArray* = ptr TWOHandleArray
 
-proc WaitForMultipleObjects*(nCount: DWORD, lpHandles: PWOHandleArray,
+proc waitForMultipleObjects*(nCount: DWORD, lpHandles: PWOHandleArray,
                              bWaitAll: WINBOOL, dwMilliseconds: DWORD): DWORD{.
     stdcall, dynlib: "kernel32", importc: "WaitForMultipleObjects".}
     
@@ -558,40 +566,40 @@ const
   ERROR_ACCESS_DENIED* = 5
 
 when useWinUnicode:
-  proc CreateFileW*(lpFileName: widecstring, dwDesiredAccess, dwShareMode: DWORD,
+  proc createFileW*(lpFileName: widecstring, dwDesiredAccess, dwShareMode: DWORD,
                     lpSecurityAttributes: pointer,
                     dwCreationDisposition, dwFlagsAndAttributes: DWORD,
                     hTemplateFile: THANDLE): THANDLE {.
       stdcall, dynlib: "kernel32", importc: "CreateFileW".}
-  proc DeleteFileW*(pathName: widecstring): int32 {.
+  proc deleteFileW*(pathName: widecstring): int32 {.
     importc: "DeleteFileW", dynlib: "kernel32", stdcall.}
 else:
-  proc CreateFileA*(lpFileName: cstring, dwDesiredAccess, dwShareMode: DWORD,
+  proc createFileA*(lpFileName: cstring, dwDesiredAccess, dwShareMode: DWORD,
                     lpSecurityAttributes: pointer,
                     dwCreationDisposition, dwFlagsAndAttributes: DWORD,
                     hTemplateFile: THANDLE): THANDLE {.
       stdcall, dynlib: "kernel32", importc: "CreateFileA".}
-  proc DeleteFileA*(pathName: cstring): int32 {.
+  proc deleteFileA*(pathName: cstring): int32 {.
     importc: "DeleteFileA", dynlib: "kernel32", stdcall.}
 
-proc SetEndOfFile*(hFile: THANDLE): WINBOOL {.stdcall, dynlib: "kernel32",
+proc setEndOfFile*(hFile: THANDLE): WINBOOL {.stdcall, dynlib: "kernel32",
     importc: "SetEndOfFile".}
 
-proc SetFilePointer*(hFile: THANDLE, lDistanceToMove: LONG,
+proc setFilePointer*(hFile: THANDLE, lDistanceToMove: LONG,
                      lpDistanceToMoveHigh: ptr LONG, 
                      dwMoveMethod: DWORD): DWORD {.
     stdcall, dynlib: "kernel32", importc: "SetFilePointer".}
 
-proc GetFileSize*(hFile: THANDLE, lpFileSizeHigh: ptr DWORD): DWORD{.stdcall,
+proc getFileSize*(hFile: THANDLE, lpFileSizeHigh: ptr DWORD): DWORD{.stdcall,
     dynlib: "kernel32", importc: "GetFileSize".}
 
-proc MapViewOfFileEx*(hFileMappingObject: THANDLE, dwDesiredAccess: DWORD,
+proc mapViewOfFileEx*(hFileMappingObject: THANDLE, dwDesiredAccess: DWORD,
                       dwFileOffsetHigh, dwFileOffsetLow: DWORD,
                       dwNumberOfBytesToMap: DWORD, 
                       lpBaseAddress: pointer): pointer{.
     stdcall, dynlib: "kernel32", importc: "MapViewOfFileEx".}
 
-proc CreateFileMappingW*(hFile: THANDLE,
+proc createFileMappingW*(hFile: THANDLE,
                        lpFileMappingAttributes: pointer,
                        flProtect, dwMaximumSizeHigh: DWORD,
                        dwMaximumSizeLow: DWORD, 
@@ -599,12 +607,12 @@ proc CreateFileMappingW*(hFile: THANDLE,
   stdcall, dynlib: "kernel32", importc: "CreateFileMappingW".}
 
 when not useWinUnicode:
-  proc CreateFileMappingA*(hFile: THANDLE,
+  proc createFileMappingA*(hFile: THANDLE,
                            lpFileMappingAttributes: pointer,
                            flProtect, dwMaximumSizeHigh: DWORD,
                            dwMaximumSizeLow: DWORD, lpName: cstring): THANDLE {.
       stdcall, dynlib: "kernel32", importc: "CreateFileMappingA".}
 
-proc UnmapViewOfFile*(lpBaseAddress: pointer): WINBOOL {.stdcall,
+proc unmapViewOfFile*(lpBaseAddress: pointer): WINBOOL {.stdcall,
     dynlib: "kernel32", importc: "UnmapViewOfFile".}
 
diff --git a/todo.txt b/todo.txt
index 5aaa15a4d..e70e96f91 100644
--- a/todo.txt
+++ b/todo.txt
@@ -4,6 +4,8 @@ version 0.9.4
 - document new templating symbol binding rules
 - convert all with "nimrod pretty"
 - make '--implicitStatic:on' the default
+- test&finish first class iterators:
+  * nested iterators
 
 - special rule for ``[]=``
 - ``=`` should be overloadable; requires specialization for ``=``; general
@@ -11,6 +13,7 @@ version 0.9.4
 - built-in 'getImpl'
 - optimize 'genericReset'; 'newException' leads to code bloat
 - stack-less GC
+- fix eval in macros.nim
 
 
 Bugs
@@ -50,8 +53,6 @@ version 0.9.x
 version 0.9.X
 =============
 
-- test&finish first class iterators:
-  * nested iterators
 - implement the missing features wrt inheritance
 - better support for macros that rewrite procs
 - macros need access to types and symbols (partially implemented)