  PodWiki Version Control System - RCS

   PodWiki uses  [7]RCS as its version control system. You can
   access the version information any time for every PodWiki page. Follow
   the InfoAboutPage link.

   For every version of your page will be displayed a box. From this box
   you can view this particular version. Or you can restore an older
   version as the current version. The latter feature is very handy if
   some wag edited a page in an unfriendly manner.

   In addition it is possible to see what has been changed between the
   previous version of a page. Just click on the diff .. button to view
   the differences. Diffs are displayed with some contextual lines before
   and after the change. Orange colored lines were removed and green
   lines were added. Gray lines are unchanged and are displayed as
   context.

  RCS keywords

   You can use all of the RCS special keywords which will be
   automatically substituted by RCS during checkin of a new version of a
   page.

   Please note, that those keywords cannot be used as variable names!

    Keywords

   Here is the list of keywords currently maintained by RCS. All times
   are given in Coordinated Universal Time (UTC, sometimes called GMT).

   $Author$
          The login name of the user who checked in the revision.

   $Date$
          The date and time the revision was checked in.

   $Header$
          A standard header containing the full pathname of the RCS file,
          the revision number, the date and time, the author, the state,
          and the locker (if locked).

   $Id$
          Same as $Header$, except that the RCS filename is without a
          path.

   $Locker$
          The login name of the user who locked the revision (empty if
          not locked).

   $Log$
          The log message supplied during checkin. For ident's purposes,
          this is equivalent to $RCSfile$.

   $Name$
          The symbolic name used to check out the revision, if any.

   $RCSfile$
          The name of the RCS file without a path.

   $Revision$
          The revision number assigned to the revision.

   $Source$
          The full pathname of the RCS file.

   $State$
          The state assigned to the revision.

