Documentation formatting bugs

[sbryngelson]

Attached are three places where the documentation formatting seems to have gone awry.

[henryleberre]

I was able to fix all of these issues except for the last one. It renders correctly if you view the file on GitHub but - for some reason - MathJax stops working when it encounters \dot. This is supposed to be supported, however.

[sbryngelson]

what about \cdot or similar