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Comments on XMLHttpRequest -- From CDF WG Review

From: Steve K Speicher <sspeiche@us.ibm.com>
Date: Tue, 25 Sep 2007 05:29:47 -0400
To: public-webapi@w3.org
Cc: " CDF WG" <member-cdf@w3.org>
Message-ID: <OF1B70573E.811EDDDA-ON85257361.0033CFB9-85257361.003436BA@us.ibm.com>

These comments are regarding the 18-June-2007 XMLHttpRequest WD [1] and a 
bit delayed but hopefully still useful.

1) #conformance for "Comforming user agent", it states:
"If the user agent does not support XML (including support for namespaces) 

the XML response entity body must (always) be null."

Is this stating that a server responding to an XMLHttpRequest load or 
such, must know if the user agent supports XML (including support for 
namespaces) and respond with null or is it up to the conforming user agent 

to decide if it supports XML and whether to always sets the response to 
null?

2) #dependencies for "DOM", "Window", "HTTP":
I find the phrasing of: "must support some version of DOM Events and DOM 
Core " to be very confusing.  Then there is a reference (normative?) to 
DOM3 Core and Events.  So the "some version" really DOM Level 3 or is DOM 
Level 0 ok, as it is *some verson* of DOM?

This wording exists for: DOM, Window, HTTP which seems a bit vague.  I'd 
suggest that it clearly define a minimum level to support: say DOM Level 3 

Core, etc.

3) #terminology
In what context is this matching scheme used or needed?

This section seems to discuss string casing and equivalency of characters 
in ASCII only charsets, it seems that is should consider matching defined 
by some internationalized context [2]

4) #xmlhttprequest
This section uses terms such as "successfully invoked" and "user agent 
successfully acknowledged the request", though was unable to find 
definitions of how success was defined.

Thanks,
Steve Speicher

[1] http://www.w3.org/TR/2007/WD-XMLHttpRequest-20070618/
[2] http://www.w3.org/TR/charmod-norm/#sec-IdentityMatching
Received on Tuesday, 25 September 2007 09:30:05 UTC

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