[Xerte] Customising metadata

[Fred Riley]

> Standard online anywhere you could point me at?

http://www.imsglobal.org/content/packaging/index.html
 
> How many people on here use IMS?

I don't know about this list, but the IMS Content Packaging standard is
in widespread use worldwide, probably more so than SCORM. 
 
> Common cartridge?

That's related, yes. See http://en.wikipedia.org/wiki/IMS_Global

Fred