/contrib/groff/tmac/strip.sed

 1# strip comments, spaces, etc. after a line containing `%beginstrip%'
 2/%beginstrip%/,$ {
 3  s/^\.[	 ]*/./
 4  s/^\.\\".*/./
 5  s/\\".*/\\"/
 6  /\(.[ad]s\)/!s/[	 ]*\\"//
 7  /\(.[ad]s\)/s/\([^	 ]*\)\\"/\1/
 8  s/\([^/]\)doc-/\1/g
 9}
10/^\.$/d