Git slides

Sorry this has taken so long... now to see what @publicus has done for SQL...
To be clear, from [http://www.w3.org/TR/html-markup/li.html](http://www.w3.org/TR/html-markup/li.html):

> **Tag omission**
> An li element must have a start tag.
> An li element’s end tag may be omitted if the li element is immediately followed by another li element or if there is no more content in the parent element.

I guess this is either proposed or recorded somewhere as a style issue? Is there a style guide for lessons? I'm guessing there's NOT a style guide for slides yet.

I chose this valid tag omission as a way to reduce griping from folks who don't like being forced to code in HTML (as opposed to Markdown). So, if this is a difference of opinion, I'm not inclined to change it!