X-Debbugs-CC: Dmitry Gutov <dgutov@yandex.ru>
Tags: patch

>>> diff --git a/lisp/progmodes/elisp-mode.el b/lisp/progmodes/elisp-mode.el
>>> @@ -897,8 +897,10 @@ xref-location-marker
>>> -          (goto-char (or (cdr buffer-point) (point-min)))
>>> -          (point-marker))))))
>>> +          (save-restriction
>>> +            (widen)
>>> +            (goto-char (or (cdr buffer-point) (point-min)))
>>> +            (point-marker)))))))
>
> If this works, sure, please install. This piece by itself makes sense.
>
>> Hm...  Does Dmitry have any comments here?  (Added to Cc.)
>
> I'm subscribed to the bug tracker, but I skip over a number of discussions
> automatically (and an extra email in a thread is relatively easy to miss,
> too).
>
> In case I don't respond in similar circumstances in the future, may I ask
> for a personal email? One without 'debbugs.gnu.org' in the From/To/Cc.

Oh, sorry, I noticed this problem is just the tip of the iceberg,
so creating a separate bug report from bug#5042 and bug#9917.

The patch above fixes the problem of using xref-find-definitions
in elisp-mode, but using xref-find-definitions in narrowed
C files still fails with the error "Rerun etags: `%s' not found in %s".

Here is an additional patch that fixes this as well: