SGML and DTDs SGML stands for Standard Generalized Markup Language
{"Image DocumentName": "SGML and DTDs SGML stands for Standard Generalized Markup Language", "Image ImageDescription": "HTML, XHTML, XML and many other markup languages are defined in SGML. A DTD, or Document Type Definition describes the syntax to use for the current document. There are three different DTDs for XHTML--you can pick the one you want. These DTDs are public and on the web. You must start your XHTML document with a reference to one of these DTDs.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}