
notation—Format of an external entity in XML.
parser—Software library in charge of reading and writing XML docu-
ments.
PI—Processing Instruction, a mechanism for including non-XML instruc-
tions in an XML document.
RDF—Resource Description Framework, a proposed W3C recommendation
to carry metadata.
SAX—Simple API for XML. See also DOM.
SGML—Standard Generalized Markup Language, the ancestor of both
HTML and XML.
SOX—Schema for object-oriented XML, a proposed replacement for DTD.
See also DCD, DDML, DTD, XML-Data, and X-Schema.
tag—Element of markup in XML.
URL—Uniform Resource Locator, the address of a resource on the Web.
W3C—World Wide Web Consortium, ...