Suhl (XUL) is a language of computer programming is that by the Mozilla Foundation developed. Suhl is a markup language user interface is that, as a dialect of X the IS run and to allow the graphical interfaces of the user like the Web page are posted.
Suhl can be used for writing tools, greater Sunda Islands, (cross-platform), such as Firefox now Mozilla use, that is, the engine draws the famous to in (Gecko), the interpretation can be that the Task View interface, Firefox and web pages.