MAJOR INTERNAL CHANGE: extend and merge operations of syntax tables
now much leaner (eliminated gramgraph, all data except tables of old
parser are shared); simplified the internal interfaces for syntax
extension;
added translations for _explode, _implode (experimental);
#! /bin/sh
#rm-logfiles: remove useless files from subdirectories
rm log */make*.log */make*.log.gz */make*.log.z
rm */test
rm */.*.thy.ML
rm */ex/.*.thy.ML
rm HOL/Subst/.*.thy.ML