[TygerTyger]

Oops. Since the Author has gone AWOL, I'll post my suggestion to the community at large...

Using the HTML extension instead of HTM is bad practice because older (very much older!) Operating Systems/browsers could only recognise 3-digit file extensions. You might possibly encounter other problems with poorly-written or old software that utilises webpages. You can correct this in the mod by simply using Find>Replace to change all the HTMLs to HTMs in both the php file and the XML file.

It's a very minor point admittedly, but it's worth doing for compatibility purposes and in case you lock out your grandmother or something