Is there a way to sort and or remove duplicate lines? General Discussion

The XSLT language can also be extended by the use ofextension attributes (see3.3 Extension Attributes), and by means ofuser-defined data elements(see 3.6.2 User-defined Data Elements). This specification defines how extension instructions and extension functions are invoked, but the facilities for creating new extension instructions and extension functions are implementation-defined. For further details, see 18 Extensibility […]