ref: 1e7a06083b2330a3f271001e55973912c2fa7b45 dir: /testdir/dotest.in/
:set cp :map dotest /^STARTTEST j:set ff=unix cpo-=A :.,/ENDTEST/-1w! Xdotest :set ff& cpo+=A nj0:so! Xdotest dotest dotest