bug#20741: 24.4; flyspell doesn't work with abbreviations ending in a period

[Eli Zaretskii]

> From: Reuben Thomas <rrt@sc3d.org>
> Date: Mon, 14 Feb 2022 13:43:12 +0000
> Cc: larsi@gnus.org, 20741@debbugs.gnu.org
> 
>  Emacs is widely used to edit program sources, where stuff like
>  "file.attribute" and "list-my-packages" happens quite frequently.
> 
> I wasn't considering this case, and this issue is about checking text (or 
> comments or strings) where you can
> just feed the entire thing to the spellchecker, and not have to isolate words 
> "manually", as in program
> source.

It's the same case: references to variables and other symbols in
comments and strings of a program are very frequent.  They are also
very frequent in email messages which discuss programming, such as
this discussion (I have Flyspell turned on in all my email buffers).