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FIELDSET controls are not form control elements in HTML 4 [1] and therefore do not constitute FORM elements in DOM Level 2 [2] but they do in HTML 5 [3]. That causes scripts with hardwired numeric indices to break. Hardwired numeric indices are indispensable to express a continuous range of controls (e.g. to enable all controls in a FIELDSET). This is a serious incompatibility and it is not mentioned. [1] <URL: http://www.w3.org/TR/1999/REC-html401-19991224/interact/forms.html#h-17.2.1 > [2] <URL: http://www.w3.org/TR/DOM-Level-2-HTML/html.html#ID-40002357 > [3] <URL: http://www.w3.org/TR/html5/forms.html#category-listed >
EDITOR'S RESPONSE: This is an Editor's Response to your comment. If you are satisfied with this response, please change the state of this bug to CLOSED. If you have additional information and would like the editor to reconsider, please reopen this bug. If you would like to escalate the issue to the full HTML Working Group, please add the TrackerRequest keyword to this bug, and suggest title and text for the tracker issue; or you may create a tracker issue yourself, if you are able to do so. For more details, see this document: http://dev.w3.org/html5/decision-policy/decision-policy.html Status: Rejected Change Description: no spec change Rationale: This is just one out of many incompatibilities with DOM 2 HTML. I think this particular instance is minor compared to others and is not worth pointing out.
(In reply to comment #1) > Rationale: This is just one out of many incompatibilities with DOM 2 HTML. I > think this particular instance is minor compared to others and is not worth > pointing out. I think this particular instance is major, maybe not as compared to others, but as applied to writing event handlers, and it should be documented.
OK, I'll add a section discussing API changes.
EDITOR'S RESPONSE: This is an Editor's Response to your comment. If you are satisfied with this response, please change the state of this bug to CLOSED. If you have additional information and would like the editor to reconsider, please reopen this bug. If you would like to escalate the issue to the full HTML Working Group, please add the TrackerRequest keyword to this bug, and suggest title and text for the tracker issue; or you may create a tracker issue yourself, if you are able to do so. For more details, see this document: http://dev.w3.org/html5/decision-policy/decision-policy.html Status: Accepted Change Description: http://dev.w3.org/cvsweb/html5/html4-differences/Overview.src.html.diff?r1=1.157;r2=1.159 Rationale: Concurred with reporter's comments