Reference

Returns a sequence containing only the distinct values from the input sequence, removing duplicates using value equality.

Returns the URI of the document node that contains the given node, as an xs:anyURI.

Loads an external XML document by URI and returns its root node as a node-set, enabling multi-document transformations in XSLT 1.0.

Returns true if the named XSLT instruction or extension element is supported by the processor, enabling portable fallback branches.

Returns true if the sequence has zero items, and false if it contains one or more items.

Returns true if the first string ends with the second string, using optional collation for comparison.

Returns true if the sequence contains at least one item, and false if it is empty.

Returns the boolean value false. Used in XPath expressions where an explicit boolean false literal is required.

Returns items from a sequence for which a predicate function returns true, discarding all others.

Returns the largest integer not greater than the argument — equivalent to rounding a number down toward negative infinity.