We've been asking for that from the beginning

It isn't possible right now, but I have always held out hope that Scott would at least enable the "save" triggers button!
Of course, this is why you should always map out your mission on paper. I always write or type out all my triggers before I input them. It is the only way to really troubleshoot. I then make any changes on the paper as well; that way I have a history of changes.