This same edit should work for editpost.php as well??
I tried it and it appears to be working for me at the moment.
Yes?? No??
Also I figured this might be a good thread to link to for those who read this thread.
SloppyGoat says that according to the vB team, the WYSIWYG will always parse, so it'll have to be a hack, apparently. So if anyones reading this cause of the WYSIWYG acting weird with parses, now you know.
https://vborg.vbsupport.ru/showthread.php?t=59701