W3C home > Mailing lists > Public > whatwg@whatwg.org > November 2006

[whatwg] Allow trailing slash in always-empty HTML5 elements?

From: Ian Hickson <ian@hixie.ch>
Date: Wed, 29 Nov 2006 19:58:51 +0000 (UTC)
Message-ID: <Pine.LNX.4.62.0611291953170.8094@dhalsim.dreamhost.com>
On Wed, 29 Nov 2006, Steve Runyon wrote:
>
> Sorry for being the dunce here, but is anybody saying otherwise?  
> Whereas XML _requires_ that you close every tag, HTML5 _should allow_ 
> you to close any tag.  I agree with what was said previously about 
> considering something like '<select /></select>' invalid, but if 
> somebody's suggesting that something like '<img src="..." />' or '<br 
> />' should also be invalid, I disagree.  Validators and UAs should 
> accept singleton tags _with or without_ the self-closer.
> 
> Am I totally misunderstanding or missing the point here?

The argument is that the self-closer "/" is an XMLism, and that HTML5 has 
nothing to do with XML, so there's no reason for it to apply here.

Note that in HTML, this:

   <p/> test 

...regardless of what this discussion results in, will always be treated 
exactly the same as:

   <p> test </p>

...because, for legacy reasons, there's no way we can treat "/" as a 
self-closer in any tag other than void tags (like <img> or <br>).

-- 
Ian Hickson               U+1047E                )\._.,--....,'``.    fL
http://ln.hixie.ch/       U+263A                /,   _.. \   _\  ;`._ ,.
Things that are impossible just take longer.   `._.-(,_..'--(,_..'`-.;.'
Received on Wednesday, 29 November 2006 11:58:51 UTC

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