Document that rev-list --graph triggers parent rewriting.

This may help to understand why --graph causes more comments to be selected. Signed-off-by: Yann Dirson <ydirson@altern.org> Signed-off-by: Junio C Hamano <gitster@pobox.com>
git-mirror · Nov 17, 2010 · 6a6c54b · 6a6c54b
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diff --git a/Documentation/rev-list-options.txt b/Documentation/rev-list-options.txt
@@ -95,6 +95,8 @@ you would get an output like this:
 	to be printed in between commits, in order for the graph history
 	to be drawn properly.
 +
+This enables parent rewriting, see 'History Simplification' below.
++
 This implies the '--topo-order' option by default, but the
 '--date-order' option may also be specified.