bug#64759: Broken faces

[Juri Linkov]

>> The semantics of nil could be the same as '((t nil)).
>
> And what is the semantics of '((t nil)) ?  What attributes will the
> face have when realized?

No attributes.  This is the standard value used by empty faces.

>> Do you agree that currently the value '((t nil))
>> should be used for faces without default face attributes?
>
> Yes, I think so.  If no better face to inherit from is available in
> each such case, that is.

This means these faces should have by default '((t nil)):
semantic-decoration-on-includes, shr-h4, shr-h5, shr-h6,
nxml-text, nxml-delimiter, nxml-element-colon, makefile-shell
as before?