sed_loop_prg

#!$PREFIX/sed
/$%{aprintd}%: / {
  s/$%{aprintd}%: //
  H
  g
  p
  d}

/$%{printd}%: / {
  s/$%{printd}%: //
  p
  d}
/$%{printh}%: / {
  h
  p
  d}
/$%{hold%}: / {h;d}
/$%{delete}%:/ {s/.*//;x;}
/$%{parse_squote_oh}%: '/{
  s/$%{parse_squote}%://
  s/' \('\([^']\|\\)*(.*))//$%{hold%}: \1\/
  h;d
/$%{parse_squote_oh}%: '/ {
  s/$%{parse_squote}%://
  s/\('\([^']\|\\)*(.*))//$%{hold%}: \1\/
  h;d}
/$%{parse_squote_oPD}%: {
  s/$%{parse_squote}%://
  s/\(q\([^']\|\\)*(.*))//\n%{parse_squote}%: \1\/
  P;D}