:0 N /\w/!b0 s/11/&9/ :a s/[2-9]/1&/g y/23456789/12345678/ ta :5 s/^/!/m2 s/1 / / //b5 : s/"\(!*\)\(| *|\n\)/\2\1"/ t s/"//g /!+/!s/!/"!/g t s//+/ :8 s/\(\(\S*\n\).*\)!/\1\2\2/ t8 s/^\S/&#/mg s/1// //b8 :4 s/"\(#*\)\([- ]\)/\2\1"/ t4 s/"//g /#+/!s/#/"#/g t4 s/#-/+ +-/g s/# /| | /g s/#\|\n //g
Note that non-ascii characters in the above source code will be escaped (such as \x9f).