--- a/mercurial/revset.py Mon Mar 24 20:00:18 2014 -0700
+++ b/mercurial/revset.py Tue Mar 25 16:17:16 2014 -0500
@@ -1594,6 +1594,10 @@
def tag(repo, subset, x):
"""``tag([name])``
The specified tag by name, or all tagged revisions if no name is given.
+
+ If `name` starts with `re:`, the remainder of the name is treated as
+ a regular expression. To match a tag that actually starts with `re:`,
+ use the prefix `literal:`.
"""
# i18n: "tag" is a keyword
args = getargs(x, 0, 1, _("tag takes one or no arguments"))