XML (eXtensible Markup Language)

eXtensible Markup Language shortened by XML is special Ianguage to they form the Web page so that its consumer can do various format tag in the document. This Ianguage released by World Wide Web Consortium ( W3C) to give the more flexible ability to all programmer web compared to Hypertext Markup Language ( HTML). XML also represent the subset from Standard of Generalized Markup Language ( SGML).

XML developed by start the year 1996 and get the confession from W3C at Februari 1998. Technology used in XML in fact non new technology, but represent the born of SGML which have been developed in the early 80-an and have a lot of used at technical documentation of project have a big scale. When HTML developed in the year 1990, all maker XML adopt the shares most important at SGML and holded into development HTML yield the markup language which don't fail its excitement by SGML.

As does HTML, XML also use the element marked by tag is opener ( early ‘<’ and end by ‘>’), tag is close ( early ‘’) and attribute elemen (parameter expressed in tag opener for example < form name=”isidata”>). Only the difference, HTML define from early tag and attribute weared in it, while in XML we can use the tag and attribute according to we will.

Is Equal with HTML, File XML is in form of text so that when needed we can read it'n requiring special aid software. This matter facilitate the application developer using XML for the mendebug of its program. XML more fleksible compared to HTML in the case of its ability [for save the information and data. At XML we can do save the data in attribute and also as element content placed among tag of opener and tag closing.

Other excess owned by the XML is that can subsitution information from one system to other system with different platform. For example from Windows to Unix, or from PC to Machintosh even from internet to handphone with technologically WAP.