Being a technical presenter, I've often run up against the issue of how to present code snippets. The easiest route is to simply cut-and-paste into your presentation software. However, such code is basically unreadable. [...] The first trick I tried was to take screenshots of gvim. However, this had distinct downsides. [...] The next trick I tried was to use Zend Studio or Eclipse to create my screen shots.

He talks about the tool (Highlight) and its use - basically you specify the input, output and the language it needs to highlight for with more fine-tuning options like font size, line width and more. Compare this and this to the end result of Highlight here to get a feeling for how the product might look.

As John Herren pointed out in the comments to yesterday's post, my suggestion for PHP syntax coloring wasn't working for several versions of Trac.

After a little digging, it turned out that my CSS rules were based on the non-standard SilverCity highlighting output, rather than the newer and more common native PHP highlighting.

His solution is to create a simple shell script, php_mimeview, to make adding cirrect syntax highlighting as easy as changing your config.