bug#931: 23.0.60; Bug in bytecomp.el: displaying warnings

[Stefan Monnier]

>> +              ;; `display-buffer' usually preserves current-buffer, except
>> +              ;; when it ends up doing switch-to-buffer (e.g. pop-up-windows
>> +              ;; is nil).

> FWIW it's set_window_buffer in

>   /* We must select BUFFER for running the window-scroll-functions.
>      If WINDOW is selected, switch permanently.
>      Otherwise, switch but go back to the ambient buffer afterward.  */
>   if (EQ (window, selected_window))
>     Fset_buffer (buffer);

> which is not very clean (and not documented in `set-window-buffer').

I've fixed this so set-window-buffer should never change
current-buffer now.  Does it fix the OP's original problem?


        Stefan