anchor.diff:  = AUTOREVISION(1) =
   :doctype: manpage
  +:br: {empty} +
   
   == NAME ==
   autorevision - extract current-revision metadata from version-control repositories
  
positive.code: 
  *VCS_UUID*::
  A universally unique identifier, generated from the root commit in git
  and hg; for svn it uses the supplied UUID.
  Not currently implemented for bzr.
  
  *VCS_DATE*::
  
negative.code: it will be a full refspec.  Under hg the feature that is called
  'branches' is actually a sort of graph coloring (multiple heads can
  have the same branch name) so this variable is filled with the current
  bookmark if it exists, with the current branch name as a fallback.{br}
  Under bzr, this is the nick of the branch you are on.
  
  *VCS_TAG*::
  The name of the most recent tag ancestral to the current commit.{br}
  Empty under Subversion.
  
  *VCS_TICK*::
  A count of commits since most recent tag ancestral to the current
  commit or an alias of *VCS_NUM* if there are no prior tags.{br}
  Empty under Subversion.
  
  *VCS_EXTRA*::
  