|Version||-//W3C//DTD HTML 4.01//EN|
The allowable content of the elements is shown using a content model syntax.
Examples from HTML 4.01 Strict
The allowable content of the HTML element is:
( HEAD, BODY )This means that an HTML element must contain exactly one HEAD followed by exactly one BODY, in that order.
The allowable content of the DL definition list element is:
( DT | DD )+This means that the DL element contains at least one DT or DD element, and maybe more. Don't get confused by the
The allowable content of the HEAD element is:
( TITLE & BASE ? ) +( SCRIPT | STYLE | META | LINK | OBJECT )This means that a HEAD element can contain two groupings of possible elements. The first grouping consists of a TITLE element and an optional single BASE element. These can occur in any order. In the second grouping, you can have any number of the following elements appear multiple times at various positions within HEAD: SCRIPT, STYLE, META, LINK, or OBJECT.