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

[martin rudalics]

>> .. shows the error:
>> window-divider-first-pixel is void as a variable.
>
> Not here, it doesn't.  It's possible that this problem was already
> fixed (you are using an ancient binary).  Or it's possible that the
> recipe you used to trigger this is different from what I used (click
> "Help->Describe->Describe Face", then type "window-divider RET" at the
> prompt), in which case please show your recipe.

It happens in customization buffers.  Here I can trigger it by

M-x customize-face RET window-divider RET

and mouse-clicking 'window-divider-first-pixel' in the doc-string.

martin