Validating event of textbox

Dan Connolly served as the Working Group's contact with the W3C.The design goals for XML are: for language identification tags), provides all the information necessary to understand XML Version 1.0 and construct computer programs to process it.XML documents are made up of storage units called entities, which contain either parsed or unparsed data.

It was chaired by Jon Bosak of Sun Microsystems with the active participation of an XML Special Interest Group (previously known as the SGML Working Group) also organized by the W3C.

The membership of the XML Working Group is given in an appendix.

This document specifies a syntax created by subsetting an existing, widely used international text processing standard (Standard Generalized Markup Language, ISO 8886(E) as amended and corrected) for use on the World Wide Web.

It is a product of the XML Core Working Group as part of the XML Activity. As a convenience to readers, it incorporates the changes dictated by the accumulated errata (available at to the Fourth Edition of XML 1.0, dated 16 August 2006.

Markup encodes a description of the document's storage layout and logical structure.