Re: save-excursion and the mark

[Eli Zaretskii]

> From: Ivan Shmakov <address@hidden>
> Date: Wed, 25 Feb 2015 09:18:00 +0000
> 
>       FWIW, I’m having a hard time thinking of /why/ someone may make
>       use of such a behavior.  The mark is pretty much a UI feature,
>       and the code isn’t supposed to ever touch it /unless/ the very
>       intent of said code is to change its position.  At which point
>       saving and restoring its state becomes contrary to that intent.

The code inside save-excursion could inadvertently or unknowingly
invoke functions that push the mark.