[PATCH 06 of 10] Added note to help text regarding Darcs tags

[jgoerzen at complete.org]

# HG changeset patch
# User John Goerzen <jgoerzen at complete.org>
# Date 1173021059 21600
# Node ID 7ba79d2266886dc42a851f82dc9f5b7ef232e29d
# Parent  518329db947de811133e2337f6211888820410ab
Added note to help text regarding Darcs tags

diff --git a/contrib/darcs2hg.py b/contrib/darcs2hg.py
--- a/contrib/darcs2hg.py
+++ b/contrib/darcs2hg.py
@@ -28,6 +28,12 @@ USAGE = """\
 
     In case an error occurs within the process, you can resume the process by
     giving the last successfuly applied change number.
+
+    Note: Darcs tags are marked in Mercurial at the point they occur during
+    replay of the Darcs patches.  If Darcs tags point to an older version
+    than their place in the history might suggest, or are a product of
+    merges, then the Mercurial tags will likely not point to the correct
+    revision.
 """ % (os.path.basename(sys.argv[0]))
 
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