Posted by Toby A Inkster on 11/18/07 12:39

Ben C wrote:

> Even if headings are supposed to be strictly hierarchical, you could
> still have two top level headings in a document-- just two trees of
> headings side by side.

Something like...

h1. Cats & Dogs
h2. Cats
h3. Siamese cats
h3. Tabby cats
h2. Dogs
h3. Greyhounds
h3. Beagles
h1. Fish
h2. Sharks
h3. Hammerhead sharks
h2. Cod
h2. Sardines

But one could argue that the two h1-level headings should in fact be h2:

h1{display:none}. Good Pets to Keep
h2. Cats & Dogs
h3. Cats
h4. Siamese cats
h4. Tabby cats
h3. Dogs
h4. Greyhounds
h4. Beagles
h2. Fish
h3. Sharks
h4. Hammerhead sharks
h3. Cod
h3. Sardines

That is, there can only be one <title> element for the page, so there
should only ever be one <h1> element, which should roughly correspond with
it. (It is often useful to include context information in the title, such
as the name of the collection of documents to which this document belongs.)

--
Toby A Inkster BSc (Hons) ARCS
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Belgium
http://tobyinkster.co.uk/blog/2007/11/17/belgium/

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