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[Bug 11221] New: Contradiction regarding isindex (the special form input field)

From: <bugzilla@jessica.w3.org>
Date: Thu, 04 Nov 2010 15:42:10 +0000
To: public-html-bugzilla@w3.org
Message-ID: <bug-11221-2486@http.www.w3.org/Bugs/Public/>
http://www.w3.org/Bugs/Public/show_bug.cgi?id=11221

           Summary: Contradiction regarding isindex (the special form
                    input field)
           Product: HTML.next
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: minor
          Priority: P2
         Component: default
        AssignedTo: dave.null@w3.org
        ReportedBy: pantalaimon176@yahoo.com
         QAContact: public-html-bugzilla@w3.org
                CC: plh@w3.org, mike@w3.org


Where isindex is defined
(http://www.w3.org/TR/html5/association-of-controls-and-forms.html#attr-fe-name-isindex)
it states:
> This value, if used as the name of a Text control that is the only control in a
> form that is submitted using the application/x-www-form-urlencoded mechanism,
> causes the submission to only include the value of this control, with no name.
So an isindex can be the only control in the form.

The urlencoded encoding algorithm
(http://www.w3.org/TR/html5/association-of-controls-and-forms.html#application-x-www-form-urlencoded-encoding-algorithm)
states on step 4.5:
> If the entry's name is "isindex", its type is "text", and this is the first
> entry in the form data set, then append the value to result and skip the rest of
> the substeps for this entry, moving on to the next entry, if any, or the next
> step in the overall algorithm otherwise.
So an isindex doesn't have to be the only control - merely the first (in the
tree).

To me, the former makes more sense than the latter. It also reduces the risk of
someone accidentally (eg) using a hidden form field named "isindex" in their
form, then discovering that it doesn't show up in the submission as the
expected isindex=value pair.

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Received on Thursday, 4 November 2010 15:42:14 GMT

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