Extended the notion of letter and digit, such that now one may use greek,
gothic, euler, or calligraphic letters as normal letters.
#!/usr/bin/env bash
#
# $Id$
# Author: Sebastian Skalberg, TU Muenchen
# License: GPL (GNU GENERAL PUBLIC LICENSE)
#
# DESCRIPTION: fix problems with greek and other foreign letters
## diagnostics
PRG="$(basename "$0")"
function usage()
{
echo
echo "Usage: $PRG [FILES|DIRS...]"
echo
echo " Recursively find .thy files, fixing parse problems stemming"
echo " from the classification change of greek and other foreign"
echo " letters from symbols to letters."
echo
echo " Renames old versions of FILES by appending \"~~\"."
echo
exit 1
}
## process command line
[ "$#" -eq 0 -o "$1" = "-?" ] && usage
SPECS="$@"; shift "$#"
## main
#set by configure
AUTO_PERL=perl
find $SPECS -name \*.thy -print | xargs "$AUTO_PERL" -w "$ISABELLE_HOME/lib/scripts/fixgreek.pl"
find $SPECS -name \*.ML -print | xargs "$AUTO_PERL" -w "$ISABELLE_HOME/lib/scripts/fixgreek.pl"