Highlighting lines of code?


Formerly CyclingTribe
How do I add a colour or emphasis to specific lines of code inside [ code ] tags?

Whenever I try the formatting is rendered as HTML within the code.

I'm sure I've seen this done but can't figure it out?

Shaun :D
Didn't their used to be a highlight button on the WYSIWYG editor? Did that go away, or is there an addon I can install to provide text highlighting functionality?