The source files calendar/libical/src/libical/icalattach* are
copyright 2000 Andrea Campi.
The source file calendar/libical/src/libicalcap/icalcap_utils.c is
copyright 2002 Andrea Campi
The source file calendar/libical/src/libicalcap/Makefile.am is
copyright 2003 Andrea Campi

This program is free software; you can redistribute it and/or modify
 it under the terms of either:

    The LGPL as published by the Free Software Foundation, version
    2.1, available at: http://www.fsf.org/copyleft/lesser.html

  Or:

    The Mozilla Public License Version 1.0. You may obtain a copy of
    the License at http://www.mozilla.org/MPL/

