@Joe England,
Joe England wrote:
And, regarding the "their/they" thing... what if I don't know the gender of the person in question?
Historically, you would use the masculine. That's not as acceptable as it used to be. You can say he or she, him or her. Very awkward. I generally change the singular to a plural--even when I'm proofreading. However, the plural wouldn't work in your opening sentence:
Someone's asked me to proofread their work, but they have a habit of always leading into quotes with commas. For example...
You're talking about someone specific.
Here's an example.
If someone here knows the answer, they should speak up.
If there are people here who know the answer, they should speak up.