[Bug: 21.5-b28] w3 fails on font-spatial-to-canonical

[Stephen J. Turnbull]

Aidan Kehoe writes:

 > XLFDs (and X server-side fonts in general) are old and broken (in terms of
 > size, scalable-or-not, repertoire and other reasons).

So what?  Many users have them in various configuration files, and
they work for those users.  Deprecate them, yes, but I see no reason
to simply break them.