bug#35737: xref--original-command

[Eli Zaretskii]

> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Tue, 28 May 2019 00:13:34 +0300
> Cc: 35737@debbugs.gnu.org
> 
> "revert buffer" sounds like undoing changes, and we're repeating a 
> search and refreshing (or maybe reloading) the results.

In Emacs, "reverting" a buffer means re-loading it from its source.
If that source has been updated outside of Emacs, then reverting
doesn't mean undoing changes, it means something else.  There are
examples of such reverting elsewhere in Emacs: in Dired and Info
buffers, for example.