A refacturing method (renaming of an objects name) would make it nice.
(eg, wich can differentiate between syntax and other content)


And a method to list references/uses/definition of an object in the code.
So you can quickly jump to it. (less time searching through the code)

Some small recent games of mine:
Griefer 4k http://damocles11.byethost9.com/griefer4k.html
Kobold 4k http://damocles11.byethost9.com/kobold.html
Cave 4k http://damocles11.byethost9.com/cave4k.html