Mercurial > hg
diff mercurial/ancestor.py @ 9915:806e6b6cb8d8
ancestor: improve docstring
The term "least common ancestor" is highly ambiguous.
author | Sune Foldager <cryo@cyanite.org> |
---|---|
date | Tue, 24 Nov 2009 09:49:23 +0100 |
parents | 23429ebd3f9d |
children | d6512b3e9ac0 |
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--- a/mercurial/ancestor.py Mon Nov 23 23:04:44 2009 +0100 +++ b/mercurial/ancestor.py Tue Nov 24 09:49:23 2009 +0100 @@ -9,10 +9,11 @@ def ancestor(a, b, pfunc): """ - return the least common ancestor of nodes a and b or None if there - is no such ancestor. + return a minimal-distance ancestor of nodes a and b, or None if there is no + such ancestor. Note that there can be several ancestors with the same + (minimal) distance, and the one returned is arbitrary. - pfunc must return a list of parent vertices + pfunc must return a list of parent vertices for a given vertex """ if a == b: