Re: Issue 5344: Avoid repeated calculation of accepted contexts (issue 346080043 by address@hidden)

[nine . fierce . ballads]

On 2018/06/17 17:51:34, Dan Eble wrote:
> test that \with \denies ... has local effect

Thanks for the clue.  The new test passes with the code I've submitted
and fails if Acceptance_set::assign_copy is modified not to make a copy.

https://codereview.appspot.com/346080043/