Well, that's a nice idea... but it's not an editor.
There are no buttons, so that's just a site which shows how to do it. I was thinking that's a nice WYSIWYG-Editor where I click on buttons and see the result... but I have to mark the text and copy all by myself.
Developer of UASECO, a controller with support of the Modescript Gamemodes for TM².
Visit the official website for more: UASECO.org
Developer of various plugins for XAseco/XAseco2 and MPAseco, visit my lab: www.undef.name