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quote dot node identifiers that begin with a digit #116

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Merged
jrfonseca merged 1 commit into from
Aug 5, 2026
Merged

quote dot node identifiers that begin with a digit #116

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2 changes: 1 addition & 1 deletion gprof2dot.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3424,7 +3424,7 @@ def id(self, id):
if isinstance(id, (int, float)):
s = str(id)
elif isinstance(id, str):
if id.isalnum() and not id.startswith('0x') and id.lower() not in self._keywords:
if id.isalnum() and not id[0].isdigit() and id.lower() not in self._keywords:
s = id
else:
s = self.escape(id)
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3 changes: 3 additions & 0 deletions tests/collapse/digits.collapse
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
main;3d 30
main;1e5 20
main;123abc 10
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