- From: Boris Zbarsky <bzbarsky@MIT.EDU>
- Date: Tue, 07 Sep 2010 17:13:58 -0400
>> Of course nothing prevents us from saying UAs MUST NOT sniff but if they do >> anyway they MUST use a given algorithm, right? > > That's a contrary to duty imperative, which is something that's been > puzzling philosophers for centuries. A more sensible requirement > would be that user agents SHOULD NOT sniff (for reasons XYZ), but, if > they do, they MUST use a the following algorithm. Except that in practice SHOULD NOT is treated as carte blanche to do the undesirable thing. It has no teeth. MUST NOT doesn't much either, but it's _something_ at least (in the sense that one can clearly claim that violating a MUST NOT is a bug). -Boris
Received on Tuesday, 7 September 2010 14:13:58 UTC