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another 2.0 erratum

From: Lofton Henderson <lofton@rockynet.com>
Date: Wed, 29 Aug 2007 16:04:22 -0600
Message-Id: <5.1.0.14.2.20070829155538.03245cc0@rockynet.com>
To: WebCGM WG <public-webcgm-wg@w3.org>
WebCGM WG,

During the Seattle f2f, another 2.0 erratum was discovered...
In Ch.4 XCF definition, all element names in 4.3 [1], and their associated 
attributes, are lower case.  This includes 'apsid' attribute that occurs on 
many of the 4.3 elements.
In Ch.5, example 5.1b [2] has camel-case 'apsId'.  This would be incorrect 
XCF according to Ch.4.  It would not be hard to fix that error, since it is 
an example.
However, in 5.7.5 it appears as 'apsId' in a parameter name for a method, 
which is more or less harmless.  But in 5.7.6 [3] the attribute of the 
object is defined as 'apsId' (READONLY).  After much discussion and hashing 
around, we think that this is bad practice, but in the specific 
circumstances of this attribute, the XCF and the DOM, it is not likely to 
cause any implementation problems.
The minimal fix is to fix 5.1b.

Issue:  Does anyone think that we should also change the other occurrences 
of 'apsId' in Ch.5 -- 5.7.5, 5.7.6 and the example of 5.7.10 -- need to be 
changed?

CONCLUSION:  Changing 5.7.6 & 5.7.10 would necessitate changes to 
implementations and would invalidate present scripts.  So far, no one has 
demonstrated that it will cause any problems in practice to leave them as 
is.  So the preliminary conclusion is to fix the error in the 5.1b Example 
(which *would* lead to invalid XCF content), and leave the other occurrences.

[1] http://www.w3.org/TR/2007/REC-webcgm20-20070130/WebCGM20-XCF.html#elements
[2] http://www.w3.org/TR/2007/REC-webcgm20-20070130/WebCGM20-DOM.html#L32886
[3] http://www.w3.org/TR/2007/REC-webcgm20-20070130/WebCGM20-DOM.html#L5095

Regards,
-Lofton.
Received on Wednesday, 29 August 2007 22:03:55 UTC

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