So if would perhaps make sense to also do the `funcall-position-p' for
special forms?

> Sounds like a bug.  Note that in
>
>     (condition-case nil
>         (foo)
>       (error (when a (when b c))))
>
> the second `when` gets the keyword face, as it should.

Because then `condition-case' isn't the parent, presumably.

> BTW I suspect that part of the reason for this bug is because of the
> need to avoid using the keyword face on the `when` of:
>
>     (condition-case nil
>         (foo)
>       ((when error) ...))
>
> Adding corresponding tests for these things would be great.

Indeed.

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