diff -ur trac-0.8.4-orig/templates/wiki.cs trac-0.8.4-showpath/templates/wiki.cs
--- trac-0.8.4-orig/templates/wiki.cs	2005-06-17 20:22:32.000000000 +0200
+++ trac-0.8.4-showpath/templates/wiki.cs	2005-08-04 07:40:21.000000000 +0200
@@ -5,7 +5,15 @@
 <div id="ctxtnav" class="nav">
  <h2>Wiki Navigation</h2>
  <ul>
-  <li><a href="<?cs var:$trac.href.wiki ?>">Start Page</a></li>
+  <li><a href="<?cs var:$trac.href.wiki ?>">Start Page</a><?cs 
+    set:node_href = trac.href.wiki ?><?cs 
+    set:node_max = wiki.page_parent.node_count - 1 ?><?cs
+    each:node = wiki.page_parent.node ?><?cs
+      set:node_href = node_href + '/' + node ?> / <?cs
+      if:node_max == name(node) ?><?cs var:node ?><?cs
+      else ?><a href="<?cs var:node_href ?>"><?cs var:node ?></a><?cs
+      /if ?><?cs
+    /each ?>
   <li><a href="<?cs var:$trac.href.wiki ?>/TitleIndex">Title Index</a></li>
   <li><a href="<?cs var:$trac.href.wiki ?>/RecentChanges">Recent Changes</a></li>
   <?cs if:wiki.history_href ?>
diff -ur trac-0.8.4-orig/trac/Wiki.py trac-0.8.4-showpath/trac/Wiki.py
--- trac-0.8.4-orig/trac/Wiki.py	2005-06-17 20:22:32.000000000 +0200
+++ trac-0.8.4-showpath/trac/Wiki.py	2005-08-04 07:42:45.000000000 +0200
@@ -339,6 +339,15 @@
                                                         history=1)))
         self.req.hdf.setValue('wiki.page_name', escape(self.page.name))
         self.req.hdf.setValue('wiki.page_source', escape(self.page.text))
+	
+        prefix = escape(self.page.name)
+        heirarchy = prefix.split('/')
+
+        if len(heirarchy) > 1 or heirarchy[0] != 'WikiStart':
+            self.req.hdf.setValue('wiki.page_parent.node_count', '%s' % len(heirarchy))
+            for i in range(len(heirarchy)):
+                self.req.hdf.setValue('wiki.page_parent.node.%d' % i, heirarchy[i])
+
         out = StringIO.StringIO()
         Formatter(self.req.hdf, self.env,self.db).format(self.page.text, out)
         self.req.hdf.setValue('wiki.page_html', out.getvalue())