Editing base .ibi scripts
Is it possible (not to mention legal) to edit the base .ibi files? Let's say I want to make a small change to one of the cutscenes in base JA. Let's say I want to add a new line of dialogue for Jaden. Would this be possible by editing the .icarus scripts that come with the SDK, then compiling them to .ibi files and wrapping them up in a pk3?