Tomi Ollila <tomi.ollila@iki.fi> writes:
> Interesting problem; You could try stripping all customizations
> (emacs -q ...) and see whether coloring works -- and if it does
> then "bisect" (or something) the culprit.

FYI, I've identified the problem.  I'll follow up when I find the
solution, or separate it into a tiny piece of code. :)

> Whether we'd use 'face or 'font-lock-face in the future is another
> issue which needs good explanation why such change is done.

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