bug#21816: elisp-mode-tests fails on a case-preserving filesystem

[Eli Zaretskii]

> From: Random832 <random832@fastmail.com>
> Date: Tue, 03 Nov 2015 14:50:29 -0500
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> > Both forms (and some additional ones) are perfectly canonical.
> 
> That is a contradiction in terms. There can only be one canonical
> form.

Not if "canonical" does not tell anything about letter-case or the
flavor of slashes.