bug#50256: thing-at-mouse

[martin rudalics]

>> pos_visible_p already does
>>
>>     if (XBUFFER (w->contents) != current_buffer)
>>       {
>>         old_buffer = current_buffer;
>>         set_buffer_internal_1 (XBUFFER (w->contents));
>>       }
>
> I'm asking if this is the desired behavior, when Lisp runs this inside
> with-current-buffer?

It is the _necessary_ behavior when WINDOW is not the selected window
and its buffer is not current.  Regardless of whether it happens inside
`with-current-buffer' or not.

martin