I looked into this, and for performance reasons will probably not do this. Right now this is one of the most light-weight and quickest forums available, the memory footprint is extremely small and the processor overhead barely noticeable. To have to load an XML file for external text every time you hit a page in the forum would slow the application down noticably on a site with many visitors.
However, I may make it much easier to change the text on the page. There are a few instances, not many, where you have to re-compile the code to change the langauge on some messages. I will remove that. But for the most part all you have to do is edit the client-side HTML and it's all done.
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