Jason Stewart

@yangmillstheory It means that the font subsystems on windows/linux/osx will algorithmically bold/italicize fonts upon request when a bold/italic variant is not installed. I can go into Word, type something with...

I never implemented this code. Here is the closest reference (not exactly the same) I could find, and I'm not entirely sure what it's supposed to do... 

If someone can provide documentation of this CSI code (the correct one, without the $ before the t), I'll add support for it.

Would you accept an outside pull request for this?

Give me a few days to get to it, and I'll take care of it.