A version with complete markup

This will probably break your browser in unexpected ways.

This as well

Now, using shorttag

This will probably break your browser in This as well.
What it should look like

The only HTML presentation system I've tried that works is gf, which uses an SGML parser and creates a number of different formats. The flat ascii vesion has numbered headings, and uses "*" to represent <em> and "**" to represent <strong>.