I have just finished with the syntax-highlighting plugin for Moodle 2.4. The plugin is based on the rjinsertcode plugin for tinymce done by Ryan Juckett.
Feel free to test it -> download updated (12.03.2013)
have fun
Mario
Monthly Archives: January 2013
MedIt-ePortal moves to Moodle 2.4
Over X-Mas holidays I moved our Medit-ePortal Moodle to the latest and greatest 2.4. Let’s check out the new goodies 
have fun
Mario