bug#49690: 28.0.50; ERC makes a button of `let' but not `let*'

[Lars Ingebrigtsen]

"J.P." <jp@neverwas.me> writes:

> (Also, it looks like this stuff touches every message, so we should
> probably be somewhat careful.)

[...]

> +    
> ("[`]\\([-a-zA-Z!$%&*+./:<=>?@^_{|}~][-a-zA-Z_0-9!$%&*+./:<=>?@^_{|}~]+\\)[']"
> +     1 t erc-button-describe-symbol 1)

Thanks.  I think this will potentially lead to too many false positives,
though, so I've just added a few of those characters to the second [] in
Emacs 28.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no