In English, male pronouns may legitimately be used to refer to individuals of unknown gender. This is important: English is a beautiful language, and destroying its beauty is an act of cultural vandalism.
Take a few moments with yourself this evening to seriously think about why this might be.
This, of course, assumes that you're not of the trivially ridiculous belief that language should never evolve.
I am in full support of this code. It approaches a sensitive subject with the care it deserves and does not seek to strip anyone of their dignity. Quite a world away from the punitive actions advocated by Erik Michaels-Ober on other projects.