[whatwg] Radio controls shared with multiple forms

[Anne van Kesteren]

On Tue, 19 Dec 2006 17:18:48 +0100, Anne van Kesteren <annevk at opera.com>  
wrote:
> The draft should probably be more explicit about:
>
>    <input type="radio" name="A" form="form1">
>    <input type="radio" name="A" form="form1 form2" checked>
>    <input type="radio" name="A" form="form2">
>
> Assuming "form1" and "form2" both exist selecting the first control will  
> unset the controls associated with "form2" in Opera's current  
> implementation.
>
> Our preferred solution is that in case of radio controls only the first  
> entry in the form="" attribute counts. If that happens we'll update our  
> implementation in due course.

This problem is also present for required checkboxes:

   <input type=checkbox name=a form="b c" required>
   <input type=checkbox name=a form=c>


-- 
Anne van Kesteren
<http://annevankesteren.nl/>
<http://www.opera.com/>