Stefan Monnier <monnier@iro.umontreal.ca> writes:

>> All special forms get it (`if' is a special form), but macros (like
>> `when') only gets it if we're in a funcall position:
>
> Not sure why that is.  Seems like an accident.

The special form bit, or the macro bit?  :-)

Since special forms are always font-locked as keywords when appearing as
the first element in a list, you get stuff like: