My very first thought about this format was that someone is definitely going to pervert it to be used as a graphics format, and for that it's woefully inadequat

My very first thought about this format was that someone is definitely going to pervert it to be used as a graphics format, and for that it's woefully inadequate. I decided to hold my tongue since it's not the creators' fault that someone will misuse it, but I can totally see people adding optional ad hoc fields to nodes to allow for example all sorts of fancy line styles.