_charset_ (was RE: form submission and chars. outside the reper. of ...)

Ian Hickson wrote:
> Finally, I propose that section 17.3.2 gain a new list item, namely:
> 
>    * Controls of type 'hidden' with the name '_charset_' whose value
>      is the empty string are always successful, and have a value equal
>      to the name of character set used for submission.
> 
> Comments?

Question, rather: why the "whose value is the empty string" condition?  I
don't quite see the rationale and it doesn't match the current behaviour of
Mozilla and IE.

-- 
François