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diff --git a/lib/pure/parseopt2.nim b/lib/pure/parseopt2.nim
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--- a/lib/pure/parseopt2.nim
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-#
-#
-#            Nim's Runtime Library
-#        (c) Copyright 2015 Andreas Rumpf
-#
-#    See the file "copying.txt", included in this
-#    distribution, for details about the copyright.
-#
-
-## This module provides the standard Nim command line parser.
-## It supports one convenience iterator over all command line options and some
-## lower-level features.
-##
-## Supported syntax:
-##
-## 1. short options - ``-abcd``, where a, b, c, d are names
-## 2. long option - ``--foo:bar``, ``--foo=bar`` or ``--foo``
-## 3. argument - everything else
-
-{.push debugger: off.}
-
-include "system/inclrtl"
-
-import
-  os, strutils
-
-type
-  CmdLineKind* = enum         ## the detected command line token
-    cmdEnd,                   ## end of command line reached
-    cmdArgument,              ## argument detected
-    cmdLongOption,            ## a long option ``--option`` detected
-    cmdShortOption            ## a short option ``-c`` detected
-  OptParser* =
-      object of RootObj ## this object implements the command line parser
-    cmd: seq[string]
-    pos: int
-    remainingShortOptions: string
-    kind*: CmdLineKind        ## the dected command line token
-    key*, val*: TaintedString ## key and value pair; ``key`` is the option
-                              ## or the argument, ``value`` is not "" if
-                              ## the option was given a value
-
-{.deprecated: [TCmdLineKind: CmdLineKind, TOptParser: OptParser].}
-
-proc initOptParser*(cmdline: seq[string]): OptParser {.rtl.} =
-  ## Initalizes option parses with cmdline. cmdline should not contain
-  ## argument 0 - program name.
-  ## If cmdline == nil default to current command line arguments.
-  result.remainingShortOptions = ""
-  when not defined(createNimRtl):
-    if cmdline == nil:
-      result.cmd = commandLineParams()
-      return
-  else:
-    assert cmdline != nil, "Cannot determine command line arguments."
-
-  result.cmd = @cmdline
-
-proc initOptParser*(cmdline: string): OptParser {.rtl, deprecated.} =
-  ## Initalizes option parses with cmdline. Splits cmdline in on spaces
-  ## and calls initOptParser(openarray[string])
-  ## Do not use.
-  if cmdline == "": # backward compatibility
-    return initOptParser(seq[string](nil))
-  else:
-    return initOptParser(cmdline.split)
-
-when not defined(createNimRtl):
-  proc initOptParser*(): OptParser =
-    ## Initializes option parser from current command line arguments.
-    return initOptParser(commandLineParams())
-
-proc next*(p: var OptParser) {.rtl, extern: "npo$1".}
-
-proc nextOption(p: var OptParser, token: string, allowEmpty: bool) =
-  for splitchar in [':', '=']:
-    if splitchar in token:
-      let pos = token.find(splitchar)
-      p.key = token[0..pos-1]
-      p.val = token[pos+1..token.len-1]
-      return
-
-  p.key = token
-  if allowEmpty:
-    p.val = ""
-  else:
-    p.remainingShortOptions = token[0..token.len-1]
-    p.next()
-
-proc next(p: var OptParser) =
-  if p.remainingShortOptions.len != 0:
-    p.kind = cmdShortOption
-    p.key = TaintedString(p.remainingShortOptions[0..0])
-    p.val = ""
-    p.remainingShortOptions = p.remainingShortOptions[1..p.remainingShortOptions.len-1]
-    return
-
-  if p.pos >= p.cmd.len:
-    p.kind = cmdEnd
-    return
-
-  let token = p.cmd[p.pos]
-  p.pos += 1
-
-  if token.startsWith("--"):
-    p.kind = cmdLongOption
-    nextOption(p, token[2..token.len-1], allowEmpty=true)
-  elif token.startsWith("-"):
-    p.kind = cmdShortOption
-    nextOption(p, token[1..token.len-1], allowEmpty=true)
-  else:
-    p.kind = cmdArgument
-    p.key = token
-    p.val = ""
-
-proc cmdLineRest*(p: OptParser): TaintedString {.rtl, extern: "npo$1", deprecated.} =
-  ## Returns part of command line string that has not been parsed yet.
-  ## Do not use - does not correctly handle whitespace.
-  return p.cmd[p.pos..p.cmd.len-1].join(" ")
-
-type
-  GetoptResult* = tuple[kind: CmdLineKind, key, val: TaintedString]
-
-{.deprecated: [TGetoptResult: GetoptResult].}
-
-when declared(paramCount):
-  iterator getopt*(): GetoptResult =
-    ## This is an convenience iterator for iterating over the command line.
-    ## This uses the OptParser object. Example:
-    ##
-    ## .. code-block:: nim
-    ##   var
-    ##     filename = ""
-    ##   for kind, key, val in getopt():
-    ##     case kind
-    ##     of cmdArgument:
-    ##       filename = key
-    ##     of cmdLongOption, cmdShortOption:
-    ##       case key
-    ##       of "help", "h": writeHelp()
-    ##       of "version", "v": writeVersion()
-    ##     of cmdEnd: assert(false) # cannot happen
-    ##   if filename == "":
-    ##     # no filename has been given, so we show the help:
-    ##     writeHelp()
-    var p = initOptParser()
-    while true:
-      next(p)
-      if p.kind == cmdEnd: break
-      yield (p.kind, p.key, p.val)
-
-{.pop.}