Topic:
This tag encloses an entire HTML document defining it as the proper MIME type.
VERSION
This is fixed by the DTD as the string "-//W3O//DTD W3 HTML 3.0//EN"
URN
The universal resource name for the document (optional)
ROLE
An optional space separated list of SGML NAME tokens that define the role this document plays,
e.g. table of contents. The conventions for these names are outside the scope of this document.
<HTML> is legal within:
none
The following markup can be used within <HTML> ... </HTML>
<HEAD>, <BODY>
It is good practice to include the start and end <HTML> tags around an HTML document. However, it is legal to omit them.
<HTML>
<HEAD><TITLE>W3E - Example</TITLE></HEAD>
<BODY>squaty body</BODY>
</HTML>