I’ve informed edX of these issues but saving them here for the record to timestamp when the problems were reported:

Dollar Sign Bug

When you use the dollar sign twice, it reads it as a very weird formatting character (renders as bold italic with no spaces).

I have tried various escape characters to stop this from happening but had no luck. Also I cannot find a help page for the markup language. This is a problem when you are writing about money.

EG

H1 Header Text

There is something wrong with how the markup code renders for the header text designated by “=====” (H1).

It looks OK in the preview, but when you save the post, it recopies the post title in place of the header.

Example, typing “This is a header” with H1 markup renders as:

Another markup bug: Header Text

Actual text & preview: