ref: 1391a257e3efe1a9c3c431a0ba40533b75928b17 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