[TYPO3-project-4-3] admin panel - why are the form options duplicated?

[Martin Kutschker]

Georg Ringer schrieb:
> Martin Kutschker schrieb:
>> Each of the form fields exists both as a hidden field and as a
>> checkbox/select.
>>
>> Can someone explain me what is the reasoning behind this?
> 
> IMO IE won't transmit the value 0 of the checboxes if not checked, so
> this is the only way to uncheck it

This would no be a problem if the code would check the expected form
fields and not the ones sent. So any field not present means "not set".

Or am I still missing something?

Masi