slightly more standard data merge: Symtax.merge (K true) avoids equality on abstract type Pretty.T and gracefully accepts overriding, Symtab.join prefers first entry as usual;
#!/usr/bin/env bash
#
# Author: David Aspinall
#
# DESCRIPTION: prepare a session directory for PG-Eclipse
PRG="$(basename "$0")"
function usage()
{
echo
echo "Usage: isabelle $PRG NAME"
echo
echo " Prepare a session directory for PG-Eclipse."
exit 1
}
if [ "$#" -eq 1 ]; then
NAME="$1"; shift
else
usage
fi
"$ISABELLE_TOOL" mkdir -b -q "$NAME"
( cd document; "$ISABELLE_TOOL" latex -o sty; )