bug#37517: New rx.el breaks a number of packages - missing symbol rx-submatch-n

[Mattias Engdegård]

26 sep. 2019 kl. 12.53 skrev Eli Zaretskii <eliz@gnu.org>:
> 
> At the very least, this information, including how to emulate
> functions you removed, should be in NEWS.

Right, I took the liberty to adding a note in e98e8549b0. It can of course be 
amended if desired.

>  Bonus points for providing
> the missing APIs, even if you consider them internal.  The package is
> so old that by now we should consider its APIs to be a de-facto
> standard.  A re-implementation that claims to be compatible cannot
> just toss them.

Using internal functions doesn't make them APIs. All we have now is a single 
datum, which was for all I could see just a mistake. Let's wait for evidence 
about which, if any, internal symbols that have been used, and for what reasons.