mercurial/templatekw.py

--- a/mercurial/templatekw.py	Sat Nov 09 14:50:12 2013 +0100
+++ b/mercurial/templatekw.py	Fri Nov 15 16:53:54 2013 -0500
@@ -219,6 +219,8 @@
     return '%s: +%s/-%s' % (len(stats), adds, removes)
 
 def showextras(**args):
+    """:extras: List of dicts with key, value entries of the 'extras'
+    field of this changeset."""
     templ = args['templ']
     for key, value in sorted(args['ctx'].extra().items()):
         args = args.copy()