Subject: Re: bug#37849: composable character alternatives in rx

From: Mattias Engdegård <[email-masked]>
Date: Fri, 13 Dec 2019 13:35:42 +0100

As suggested by Stefan Monnier, 'union' was replaced with plain 'or' for character sets as well.

A minor usability improvement has been pushed to master as well: characters and single-char strings no longer have to be wrapped in (any...), so (not (any ?a)) can now be written (not ?a).