bug#37659: rx additions: anychar, unmatchable, unordered-or

[Mattias Engdegård]

12 feb. 2020 kl. 01.52 skrev Paul Eggert <eggert@cs.ucla.edu>:

> I assume the followon patch "rx: Improve 'or' compositionality" is for the 
> master branch.

Right -- while it would make sense for emacs-27, as user-defined forms were 
introduced in that version, it is not strictly necessary and could well be done 
on master.