heading has these attributes...
If no line break is required before and after the heading element, then the format attribute should be set to inline.
An ID number for the heading. See IDPrefixes.htm.
ID
Certain elements e.g. keyword, abstract, bibliography have headings ("Keywords","Abstract", "References") which are implied by their parent element. If a heading is implied like this, its implicit value should be switched to yes.
See the special topic, "Generated text and the <x> element." for more information on this.
The level of the heading.
Created: Tue Dec 23 14:02:01 2003