bug#20664: 25.0.50; Customize: Link option or face name to the source definition

[Oleh Krehel]

martin rudalics <rudalics@gmx.at> writes:

>> With this patch, "RET" works as expected, while "<mouse-1>" is giving an
>> error for a reason I don't understand.
>
> Bug#20398?

No, this is likely caused by the fact that `Custom-mode' binds
"<down-mouse-1>" to the incompatible (with buttons) `widget-button-click'.

And even with 'follow-link t, "<down-mouse-1>" supersedes "<mouse-1>",
which is actually bound to `push-button'.

I think if `Custom-mode' didn't bind "<down-mouse-1>", it would
translate to "<mouse-1>" and properly call `push-button'.