Internet Explorer renders it as a Cascade Style Sheet and Netscape is still experimenting with it.  
Internet Explorer renders it as a Cascade Style Sheet and Netscape is still experimenting with it.  Developed by the W3C, it is a pared-down version of SGML, designed especially for Web documents. It allows designers to create their own customized tags, enabling the definition, transmission, validation, and interpretation of data between applications and between organizations.  FTP identify this programming language, possibly the successor of HTML as the standard Web formatting specification if it is supported by future Web browsers.
Internet Explorer renders it as a Cascade Style Sheet and Netscape is still experimenting with it.  
extensible markup language or XML