bug#35737: xref--original-command

[Eli Zaretskii]

> Cc: 35737@debbugs.gnu.org, juri@linkov.net
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Tue, 28 May 2019 10:46:40 +0300
> 
> I don't have a strong opinion on this, though, so just say the word, and 
> I'll rename the command.

I don't have a strong opinion, either, or I'd have talked already.  I
did remember raising a brow when reading that function, but that's
all.