bug#20398: 25.0.50; Clicking `window-divider-last-pixel' in help for `window-divider'

[martin rudalics]

>> Debugger entered--Lisp error: (error "No selection is available")
>>     signal(error ("No selection is available"))
>>     error("No selection is available")
>>     gui-get-primary-selection()
>>     mouse-yank-primary((mouse-2 (#<window 3 on *Customize Face: 
window-divider*> 615 (355 . 257) 4390875 nil 615 (42 . 14) nil (3 . 7) (8 . 16))))
>>     funcall-interactively(mouse-yank-primary (mouse-2 (#<window 3 on *Customize 
Face: window-divider*> 615 (355 . 257) 4390875 nil 615 (42 . 14) nil (3 . 7) (8 . 16))))
>>     call-interactively(mouse-yank-primary nil nil)
>>     command-execute(mouse-yank-primary)
>>
>>
>> with <mouse-1> on any such link in a customization buffer.  Can anyone
>> see this?
>
> I see this.  Everyone should, AFAICS.
>
>> Does anyone have an idea where this mouse-2 yanking attempt comes
>> from?
>
> It comes from the command loop.  I think mouse-1 remapping, as
> implied by the return value of mouse-on-link-p, has something to do
> with that.

If someone just told me how to investigate this.  So far I failed
miserably to do that :-(

martin