The Markdown syntax for formatting text recently gained more and more visibility and is used especially on StackExchange, GitHub and so on. Hence we added simple highlighting support for Markdown.
Here's an example of what it currently looks like in SharpDevelop:
As you can see, it is far from complete, but it is a good start.
If you have a weekend to spare and want to help out, you could help us with one of the following features:
- Code completion
- Extended highlighting
- Live preview view content
(We won't do those any time soon, because there are more important things to be done in SharpDevelop 5)