Funções XSLT

Caros, segue abaixo uma tabela de referência de funções em xslt:

Name	Description
current()	Returns the current node
document()	Used to access the nodes in an external XML document
element-available()	Tests whether the element specified is supported by the XSLT processor
format-number()	Converts a number into a string
function-available()	Tests whether the function specified is supported by the XSLT processor
generate-id()	Returns a string value that uniquely identifies a specified node
key()	Returns a node-set using the index specified by an <xsl:key> element
system-property()	Returns the value of the system properties
unparsed-entity-uri()	Returns the URI of an unparsed entity