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Fix bug refs #1722. Circler toctree cause infinite loop.

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shimizukawa 2015-02-15 18:01:43 +09:00
parent a9bcff7a26
commit 5b0bb8c1e1
1 changed files with 1 additions and 1 deletions
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2
sphinx/environment.py
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@ -1297,7 +1297,7 @@ class BuildEnvironment:
parent[child] = p
ancestors = []
d = docname
while d in parent:
while d in parent and d not in ancestors:
ancestors.append(d)
d = parent[d]
return ancestors