Fixes Trac #13803, but adds a note about a yet to be fixed Trac #13981.
Signed-off-by: Edward Z. Yang <firstname.lastname@example.org>
We need a concrete example (or examples) demonstrating that both check-now and check-later are needed. Can't we always do 'later'?
Requesting changes due to @simonpj's request.
Okay, fair enough.