**** adl_cvs_diff.pl 1.0 -- compare an adl file against the repository ****
                            Goetz Pfeiffer 2007

Syntax:
  adl_cvs_diff.pl {options} [file]

  options:
    -h: help
    --summary: give a summary of the script
    --svn: use subversion instead of cvs
    -r [cvs-revision] (mandatory)
    -s [2nd cvs revision] (optional)
    --legacy: allow old-style meta-commands in *.cdl files
      (like #if and #endif)