ReStructuredText is huge so users of lighter-weight markup languages can be easily put off. This is an absolute basics quickref to ReST for those kinds of users. Eye-ball the Closing at the bottom for a bit more perspective.
Headers
Just use non-alphanumeric characters to underline (or under-and-overline) your heading. It doesn’t matter what you use, just be consistent with the character you use for each header level:
