s/\\/\\\\e/g
s/ /\\\\ /g
s/"/\\\\[dq]/g
s/'/\\\\[aq]/g
s/-/\\\\&/g
s/\^/\\\\[ha]/g
s/`/\\\\[ga]/g
s/~/\\\\[ti]/g
s|[^ ]/\+|&\\\\:\\\\%|g