bug#21469: 25.0.50; right scrollbar wrongly placed when resizing split window

[Robert Pluim]

martin rudalics <rudalics@gmx.at> writes:

>> I'm starting to think this is either something in my environment or a
>> GTK issue.
>
> In xg_set_toolkit_scroll_bar_thumb in gtkutil.c could you check whether
> _we_ already select the wrong bar->window?  Provided your earlier
> assumption that "the right scrollbar controls the window to the left,
> not the window to the right" holds, obviously.

How would I check that?

Looking more closely, it appears that I don't initially even have a
scrollbar, even if I visit a file; it doesn't appear until I split the
window.

Robert