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Posted by Jim Moe on 08/03/07 17:54
Jeff Dege wrote:
> I'm trying to lay out some divs that have content inserted via
> javascript. Just because it's cleaner, I've been using self-closing div
> elements: "<div />"
>
That is XML syntax, not HTML. To an HTML parser "<div />" resolves to
"<div>".
Run the code through a validator.
>
> Now try a third bit of html:
>
> <div id="first">
> <div id="second" />
> <div id="third" />
> </div
>
> I'd expect this to draw exactly the same as the second example, above.
> We've made no substantive changes from it. Instead, it draws the same as
> the first - as if the third div is nested within the second div. Which
> it isn't, according to everything I thought I understood about how SGML
> parsing worked.
>
> Can anyone explain to me why this works this way?
>
It is HTML, not SGML or XML. You example reduces to:
<div id="first">
<div id="second">
<div id="third"></div>
</div> <-- error recovery
</div> <-- error recovery
with error recovery to handle the unclosed <div>s.
--
jmm (hyphen) list (at) sohnen-moe (dot) com
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