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+repo          the name of the repo
+rev           a changeset.manifest revision
+node          a changeset node
+changesets    total number of changesets
+file          a filename
+filenode      a file node
+filerev       a file revision
+filerevs      total number of file revisions
+up            the directory of the relevant file
+path          a path in the manifest, starting with "/"
+basename      a short pathname
+manifest      a manifest node
+manifestrev   a manifest revision
+date          a date string
+age           age in hours, days, etc
+line          a line of text (escaped)
+desc          a description (escaped, with breaks)
+shortdesc         a short description (escaped)
+author        a name or email addressv(obfuscated)
+p1, p2        parent nodes
+p1rev, p2rev  parent revs
+
+header        the global page header
+footer        the global page footer
+
+files         a list of file links
+dirs          a set of directory links
+diff          a diff of one or more files
+annotate      an annotated file
+entries       the entries relevant to the page
+
+Templates and commands:
+  changelog(rev) - a page for browsing changesets
+    naventry - a link for jumping to a changeset number
+    filenodelink - jump to file diff
+    fileellipses - printed after maxfiles
+    changelogentry - an entry in the log
+  manifest - browse a manifest as a directory tree
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