EXSLT:set:distinct
From MDC
This article covers features introduced in Firefox 3
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set:distinct() returns a subset of the nodes in the specified node-set, returning only nodes with unique string values.
[edit] Syntax
set:distinct(nodeSet)
[edit] Arguments
nodeSet- The node-set in which to find unique nodes.
[edit] Returns
A node-set containing the nodes that have unique string values.
[edit] Defined
[edit] Gecko support
Supported in Gecko 1.9 and later.