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Re: <New: Tracking Issues in XHR that we raised>RE: <Was: Further LC Followup from IE> RE: Potential bugs identified in XHR LC Test Suite

From: Jonas Sicking <jonas@sicking.cc>
Date: Thu, 19 Jun 2008 21:58:21 -0700
Message-ID: <485B38ED.9080403@sicking.cc>
To: Sunava Dutta <sunavad@windows.microsoft.com>
Cc: Zhenbin Xu <Zhenbin.Xu@microsoft.com>, Ian Hickson <ian@hixie.ch>, "public-webapps@w3.org" <public-webapps@w3.org>, IE8 Core AJAX SWAT Team <ieajax@microsoft.com>

Sunava Dutta wrote:
>> The argument for returning null is that it makes for a cleaner API,
>> exceptions should only be thrown in exceptional circumstances. And
>> based
>> on available data it doesn't seem like sites currently care one way or
>> another, so I think we should go for the cleaner API.
>> What is the argument for throwing an exception?
>> / Jonas
> [Sunava Dutta] I can't believe you asked that question after all the discussions that just happened on that with Ian, Zhenbin and you. With all due respect, is this an 'engage and lock' until someone gets frustrated and quits strategy or is there something outside of technical arguments that Mozilla is concerned about? -:)

Not at all. I'm basing my arguments on technical merits. The argument 
from microsoft seems to be "we want to throw exceptions because that is 
what we are doing now and we are worried changing our implementation 
will break existing websites".

However my counter argument is that other browsers have not followed 
microsofts implementation in this regard and this does not seem to have 
caused any interoperability issues. Therefore we should use the API that 
results in the best API.

I have yet to see any counter argument from microsoft on this point 
other than "we think the spec should allow both exceptions and returning 
null", however this goes against the goals of the spec and so I don't 
see this as an option.

I know there is a lot of miscommunication going on right now, which is 
why I have been trying to describe my reasonings and the w3c process in 
the past few mails.

If the two parties can't decide on an issue the best cause of action is 
to summarize the technical arguments (which includes interoperability) 
for all solutions and then take a decision together based on those 
technical arguments.

/ Jonas
Received on Friday, 20 June 2008 04:59:49 UTC

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