XSLT 2.0 Date & Time functions

Example XSL file showcasing a variety of uses of the format-date and
format-time functions added in XSLT 2.0
Strip HTML with XSLT 2.0

Sample XSL file showing how to use the new analyze-string element in
XSLT 2.0 to strip HTML tags from a node value (Common when dealing with
SharePoint multiple lines of text fields).
Grouping in XSLT 2.0

Sample stylesheet showcasing how to use the new for-each-group element
in XSLT 2.0 and the new functions therein, such as current-group() and
current-grouping-key().