Extensible Stylesheet Language Transformations (XSLT) is a functional programming language used to specify how an input XML document is converted into another text documentpossibly, although not necessarily , another XML document. An XSLT processor reads both an input XML document and an XSLT stylesheet (which is itself an XML document because XSLT is an XML application) and produces a result tree as output. This result tree may then be serialized into a file or written onto a stream. Documents can be transformed using a standalone program or as part of a larger program that communicates with the XSLT processor through its API.
