One size fits all
http://www.baltimoresun.com/news/opinion/editorial/bal-ed.yo06jan06,0,2435447.story
01/06/2008
That's the pronoun you use when referring to someone else. It might be "he," or it might be "she," but if you don't know, it gets complicated or cumbersome. Sometimes you're stuck with that "he or she" business that saps the energy out of just about any sentence.