bug#42967: 28.0.50; `dired-do-find-regexp' calls internal function `xref--show-xrefs'

[Tino Calancha]

Philipp Stephani <p.stephani2@gmail.com> writes:

> The function `dired-do-find-regexp' in dired-aux.el contains a call to
> the internal function `xref--show-xrefs'.  This should never happen.
> Internal functions can change in incompatible ways or even vanish at any
> time.  In fact, the signature of `xref--show-xrefs' has changed between
> Emacs 26 and 27.  If the functionality of `xref--show-xrefs' is useful
> for other libraries, xref.el should grow a proper public function that
> then remains stable.
I agree.