The problem seems to be with the word wrap function from my experience so you might get away with editing if you return at the end of every line. If you need to insert stuff put it in a new line manually then you can delete spaces to close up the gaps. This worked for me but I was not making an extensive edit and might just have got lucky the time it did work. It is worth a try, the worst that should happen is you crash out of the game but you never can be sure.
