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If Jo Baer's suggestion to try it both ways doesn't produce definite
results, I agree that you should bold it.
The Sun style guide uses periods, and they bold both the term and the
period. (Microsoft uses italic and periods, but I can't tell if the period
is italic).
Good luck,
Karen
______________________
"Writers like God and Shakespeare know when to break the rules."
--Claire Kehrwald Cook on grammar
Karen Peterson
Peterson_Karen -at- prc -dot- com
610.260.2644