renamed 'defns' to 'defs';
removed 'sigclass';
replaced parents by enclose;
exported parens, brackets, mk_list, mk_big_list, mk_pair, mk_triple;
various minor internal changes;
#! /bin/sh
# simp FILE1 ... FILEn
#
# leaves previous versions as XXX~~
#
for f in $*
do
echo $f. \ Backup file is $f~~
mv $f $f~~; sed -e '
s/\<ASM_SIMP_TAC\>/asm_simp_tac/g
s/\<SIMP_TAC\>/simp_tac/g
s/\<addrews\>/addsimps/g
s/addsplits \(\[[^]]*\]\)/setloop (split_tac \1)/g
s/addsplits/setloop split_tac/g
s/\<setauto\>/setsolver/g
' $f~~ > $f
done
echo Finished.