"Chris Papademetrious christopher.papademetrious@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> writes:

> Taking the opportunity to ask a dumb question (which seems to define
> my participation on this list!), what's the difference between these?

>   current-group()/self::my-element

Denotes the set of elements in the current group named 'my-element'.

>   current-group()[self::my-element]

Denotes the current group, if any members of the current group are
elements named 'my-element', and otherwise the empty sequence.

If you don't see how they mean those things, the more careful and
detailed answer from Graydon Saunders should help.

-- 
C. M. Sperberg-McQueen
Black Mesa Technologies LLC
http://blackmesatech.com