for ac_arg
do
case "$ac_arg" in
- *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
+ *" "*|*" "*|*[[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?\']]*)
ac_arg=`echo "$ac_arg" | sed "s/'/'\\\\\\\\''/g"`
# if the argument is of the form -foo=baz, quote the baz part only
ac_arg=`echo "'$ac_arg'" | sed "s/^'\([[-a-zA-Z0-9]]*=\)/\\1'/"` ;;