CHANGES
    Revision history for Perl extension Tk::AbstractCanvas:

    - 1.4.A7QFZHF Mon Jul 26 15:35:17:15 2010
      * updated license to GPLv3

    - 1.2.75L75Nr Mon May 21 07:05:23:53 2007
      * added ex/* examples && tidied everything up

      * added Ctrl rot callbacks (mocb, rlcb) && limited Motion && Release
      to just Ctrl + one MouseButton events

    - 1.0.56BHMOt Sat Jun 11 17:22:24:55 2005
      * original version