a silly docbook question?

[Marc Silver]

Hey guys,

I have a question regarding the use of the <keycap> markup.  According
to section 4.2.5.3 (Keys, mouse buttons, and combinations) of:

www.freebsd.org/doc/en_US.ISO8859-1/books/fdp-primer/sgml-markup-docbook.html

you should be able to use <keycap> inside of <para>.  However, I cannot
seem to replicate this.  The only time <keycap> seems to work is when
it's inside a <procedure><step>...

Can anyone tell me what I'm missing?!

Thanks,
Marc

-- 
Success is never final. Failure is never fatal. It is courage that
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  -- Winston Churchill