XFDL (Extensible Forms Description Language)
Extensible Forms Description Language (XFDL) is a use of the Extensible Markup Language (XML) that
provides a standard way to define the data fields and layout for a complex business or government
form for digital storage and display. An XFDL form can be sent to a Web user as an XML page. XFDL
makes it possible to sign an XFDL page with one or more digital
certificates. XFDL also describes a syntax
for inline mathematical and conditional expressions. XFDL combines the Universal Forms Definition
Language (UFDL), developed earlier, with XML.
PureEdge, an e-commerce standards firm, formerly called UWI.com, and World Wide Web Consortium
(W3C) editor
Tim Bray introduced XFDL in 1998 as the world's first open
standard for secure, legally-binding XML documents. Since then, vendors such as GTE, CommerceOne,
and Verisign have moved to support or endorse XDFL in their products.
This was last updated in February 2006
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