diff -r e1c539e1282b -r ba000e29ecf3 hgkw/keyword.py
--- a/hgkw/keyword.py	Wed Dec 20 14:54:38 2006 +0100
+++ b/hgkw/keyword.py	Wed Dec 20 17:41:19 2006 +0100
@@ -1,6 +1,8 @@
 from mercurial import hg, filelog, revlog, context, util
 import os.path, re
 
+hgkeywords = 'Id|Header|Author|Date|Revision|RCSFile|Source'
+
 def reposetup(ui, repo):
     if not repo.local():
         return
@@ -19,34 +21,42 @@
             self._path = path
 
         def read(self, node):
-            def gethgkw():
+            data = super(kwfilelog, self).read(node)
+            if not util.binary(data):
                 c = context.filectx(self._repo, self._path, fileid=node,
                                      filelog=self)
-                filename = c.path()
+                f = c.path()
                 for pat, opt in self._repo.ui.configitems('keyword'):
                     if opt == 'expand':
                         mf = util.matcher(self._repo.root,
                                 '', [pat], [], [])[1]
-                        if mf(filename):
-                            return '$Hg: %s,v %s %s %s $' % (
-                                    os.path.basename(filename),
-                                    c.changectx(),
-                                    util.datestr(date=c.date(),
-                                        format=util.defaultdateformats[0]),
-                                    util.shortuser(c.user())
-                                    )
-            data = super(kwfilelog, self).read(node)
-            if not util.binary(data):
-                hgkw = gethgkw()
-                if hgkw:
-                    data = data.replace('$Hg$', hgkw)
+                        if mf(f):
+                            re_kw = re.compile(r'\$(%s)\$' % hgkeywords)
+
+                            def kwexpand(matchobj):
+                                RCSFile = os.path.basename(f)+',v'
+                                Source = os.path.join(self._repo.root, f)+',v'
+                                Revision = c.changectx()
+                                Date = util.datestr(date=c.date())
+                                Author = c.user()
+                                revdateauth = '%s %s %s' % (
+                                        Revision,
+                                        util.datestr(date=c.date(),
+                                            format=util.defaultdateformats[0]),
+                                        util.shortuser(Author))
+                                Header = '%s %s' % (Source, revdateauth)
+                                Id = '%s %s' % (RCSFile, revdateauth)
+                                return '$%s: %s $' % (
+                                        matchobj.group(1), eval(matchobj.group(1)))
+
+                            return re_kw.sub(kwexpand, data)
             return data
 
         def add(self, text, meta, tr, link, p1=None, p2=None):
             if (not util.binary(text) and
                    self._repo.ui.config('keyword', 'remove', True)):
-                re_kw = re.compile(r'\$Hg: [^$]+?,v [a-z0-9]{12} [^$]+? \$')
-                text = re_kw.sub('$Hg$', text)
+                re_kw = re.compile(r'\$(%s): [^$]+? \$' % hgkeywords)
+                text = re_kw.sub(r'$\1$', text)
             return super(kwfilelog, self).add(text, meta, tr, link, p1, p2)
 
     filelog.filelog = kwfilelog