Added 'ambiguity_is_error' flag, which, if set, makes the parser fail,
rather than just issue a warning, when the input parsed is ambiguous.
#!/usr/bin/env bash
#
# $Id$
# Author: Stefan Berghofer, TU Muenchen
# License: GPL (GNU GENERAL PUBLIC LICENSE)
#
# DESCRIPTION: display Isabelle version
echo 'Isabelle repository version' # filled in automatically!