diff -r a4c748fc7e00 -r 5e9d6c57d679 hgkw/keyword.py
--- a/hgkw/keyword.py	Fri Feb 09 16:13:51 2007 +0100
+++ b/hgkw/keyword.py	Fri Feb 09 16:16:22 2007 +0100
@@ -105,7 +105,13 @@
     def __init__(self, ui, repo):
         self.ui = ui
         self.repo = repo
-        self.templates = dict(ui.configitems('keywordmaps')) or deftemplates
+        templates = dict(ui.configitems('keywordmaps'))
+        if templates:
+            # parse templates here for less overhead in kwsub matchfunc
+            for k in templates.keys():
+                templates[k] = templater.parsestring(templates[k],
+                        quoted=False)
+        self.templates = templates or deftemplates
         self.re_kw = re.compile(r'\$(%s)[^$]*?\$' %
                 '|'.join(re.escape(k) for k in self.templates.keys()))
         templater.common_filters['utcdate'] = utcdate
@@ -120,8 +126,7 @@
     def kwsub(self, mobj, path, node):
         '''Substitutes keyword using corresponding template.'''
         kw = mobj.group(1)
-        template = templater.parsestring(self.templates[kw], quoted=False)
-        self.t.use_template(template)
+        self.t.use_template(self.templates[kw])
         self.ui.pushbuffer()
         self.t.show(changenode=node, root=self.repo.root, file=path)
         keywordsub = templater.firstline(self.ui.popbuffer())