Julia in Virginia wrote: "I'm a professional copyeditor. Commas always go inside quotation marks." (Apparently professional copyeditors like to be terse.) I responded with a link to the relevant portion of True's Frequently Asked Questions list, which I'll reproduce here so you don't have to go look:

Q: Why does True use non-standard punctuation marks around quotation marks?

A: "Standard" depends on your point of view. An average American would write

I like "This is True," which I get every week.

while a typical Brit would write

I like "This is True", which I get every week.