Validating web resources
See also: Robin Cover's index of XML Schema materials.
They provide a means for defining the structure, content and semantics of XML documents. XML Schema 1.0 was approved as a W3C Recommendation on and a second edition incorporating many errata was published on 28 October 2004; see reference list for pointers.
As of December 1998, 'Voyager' was the W3C code name for HTML reformulated as an application of XML.
XML was initially "developed by a W3C Generic SGML Editorial Review Board formed under the auspices of the W3 Consortium in 1996 and chaired by Jon Bosak of Sun Microsystems, with the very active participation of a Generic SGML Working Group also organized by the W3C." An XML WG (Working Group) under W3C served initially as an editorial board, which received input from an XML Special Interest Group.
The Access to Higher Education Diploma is a qualification which prepares people without traditional qualifications for study at university.
Access to HE courses are delivered by colleges in England and Wales, and are available in a range of different subjects, such as nursing, social studies, law, and art and design.
It is intended to be mostly compatible with XML Schema 1.0 and to have approximately the same scope, but also to fix bugs and make whatever improvements we can, consistent with the constraints on scope and compatibility.