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-rw-r--r--compiler/ast.nim2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/ast.nim b/compiler/ast.nim
index c74861bd8..624bc32f9 100644
--- a/compiler/ast.nim
+++ b/compiler/ast.nim
@@ -326,6 +326,8 @@ type
     nfHasComment # node has a comment
     nfSkipFieldChecking # node skips field visable checking
     nfOpenSym # node is a captured sym but can be overriden by local symbols
+              # ideally a unary node containing nkSym/nkOpenSymChoice or an
+              # extension over nkOpenSymChoice
 
   TNodeFlags* = set[TNodeFlag]
   TTypeFlag* = enum   # keep below 32 for efficiency reasons (now: 47)