Try the XML version of this page. If you have problems with it, consult the accessibility page.
This page will hold information about how to group information in your XML source for output (closely tied to sorting and identifying unique nodes). For now, there's just the following posts:
Grouping Using the Muenchian Method #3 |
/xslt/grouping.xml by Jeni Tennison; generated using SAXON 5.4.1 from Michael Kay of ICL