minirst: handle edge in hunting for parents test for "hg help -c config" in help config ``section`` ----------- section text ``def1`` definition of def1 $ hg help scope.def1 should list this paragraph, but not section text below... section text ``def2`` definition of def2 $ hg help scope.def2 should list this paragraph, but not section text below... section text $ hg help scope.section should show everything from the first section text to this last line. ``section2`` ------------