- From: Ian Hickson <ian@hixie.ch>
- Date: Tue, 5 Apr 2005 11:17:04 +0000 (UTC)
On Tue, 5 Apr 2005, Anne van Kesteren wrote:
>
> I was wondering if HTML5 (WA1, at the moment) is going to define which
> tags are optional and which elements are implied. (This is of course
> only for text/html documents.)
Yes.
> For example, what is the resulting DOM of this document:
>
> <title>Foo</title>
> <script type="text/javascript" src="bar"></script>
>
> ... and this:
>
> <script type="text/javascript" src="bar"></script>
> <title>Foo</title>
>
> ..?
If I am not mistaken:
<html><head><script.../>
<title.../></head><body></body></html>
> Are both part of the implied HEAD element or is the SCRIPT element in
> the first example perhaps part of the BODY element? I believe both are
> possible.
This is not ambiguous in SGML, which defines this in detail.
> Is there a BODY element in this document (or, is there always a body
> element?):
>
> <style type="text/css">
> body{ background:lime }
> </style>
>
> ... or this:
>
> <title>Bar</title>
In HTML4 those are invalid (<body> can't be empty). The <body> will always
e implied, though. (For backwards compatibility with legacy parsers, the
<head> probably won't be.)
> Is HTML5 going to list which start- and endtags are optional and how the
> resulting DOM tree should look like in situations were there are
> multiple options?
In HTML4 there are never multiple options, but the answer to your question
is yes.
--
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
Received on Tuesday, 5 April 2005 04:17:04 UTC