# HG changeset patch
# User FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
# Date 1337155350 -32400
# Node ID 0a730d3c5aaefae00239b8472703c884192f31b7
# Parent  6476a21337a6942ee3b4b06ceb93f2902775e2b1
doc: add detail explanation for 'present()' predicate of revsets

diff -r 6476a21337a6 -r 0a730d3c5aae mercurial/revset.py
--- a/mercurial/revset.py	Fri May 18 14:34:33 2012 -0500
+++ b/mercurial/revset.py	Wed May 16 17:02:30 2012 +0900
@@ -845,6 +845,10 @@
     """``present(set)``
     An empty set, if any revision in set isn't found; otherwise,
     all revisions in set.
+
+    If any of specified revisions is not present in the local repository,
+    the query is normally aborted. But this predicate allows the query
+    to continue even in such cases.
     """
     try:
         return getset(repo, subset, x)