**** cvs_diff.pl 0.9 -- compare c-files against the repository ****
                            Goetz Pfeiffer 2006

Syntax:
  cvs_diff.pl {options} [file]

  options:
    -h: help
    --summary: give a summary of the script
    -r [cvs-revision] (mandatory)
    -s [2nd cvs revision] (optional)
    -c --no_comments
    -m --no_multiple_empty_lines
    --type [type] :
      known types c any