sdef

where can I get a good SDEF editor?

I'm writing an objective C program which will need to be applescriptable. so, I need to create and edit an SDF file. I'd MUCH rather not have to write XML if I don't have to, so I'm hoping that someone can point me to a good editor... I've found SDEF EDitor but I'd like a couple of options to play around with... Surprisingly, the apple...