It would be nice to have an erase tool to remove Dynamic Lighting lines. When making DL boundaries, if you make a long unbroken chain of corners and curves, it's incredibly painful if you ever need to change the placement of a hallway, because the way it is now, you have to just start over. I've learned to build my DL boundaries in small chunks, one line at a time, because once I had to delete the entire perimeter of a huge map and retrace everything just because I wanted to add a doorway. I've resigned myself to constant, mild tedium in order to avoid catastrophic tedium. I'm sure this is more complicated than it sounds, but this would be a very nice feature!
