Eli Zaretskii <eliz@gnu.org> writes:

> However, perhaps we should mention this behavior in "Basic Char
> Syntax" and the related use of this face in "Faces for Font Lock".
> WDYT?

I've tried adding some mentions of it in those places (unfilled to
simplify diff).  Though I'm not sure if it makes sense to talk about
this somewhat obscure case.

>> -(ert-deftest lread-tests--funny-quote-symbols ()

> Should we replace this test by one that tests the fontification?

Right, good point, added.  And I had missed disabling fontification for
backslash escaped characters, now fixed.