Subject: bug#47711: bug#48841: bug#47711: bug#48841: bug#47711: [PATCH VERSION 2] Add new `completion-filter-completions` API and deferred highlighting

From: Stefan Monnier <[email-masked]>
Date: Fri, 27 Oct 2023 09:46:47 -0400

> BTW, all-completion's docstring also says that a COLLECTION that is
> a function should itself handle completion-regexp-list,

The key here is "should": we know how well ELisp coders follow
such recommendations.

        Stefan