=?iso-8859-1?Q?RE:_MCE_Revision_Issue:_=A710.6, _"Justification_of_Ignorab?= le Foreign Children of AlternateContent"

[Chris Rae]

This looks good to me.

Chris

From: Francis Cave [mailto:francis at franciscave.com]
Sent: 13 August 2013 06:51
To: 'SC 34 WG4'
Subject: RE: MCE Revision Issue: §10.6, "Justification of Ignorable Foreign Children of AlternateContent"

Re-write following WG 4 discussion during teleconference on 2013-08-13. The addition of the first sentence from the original text makes it necessary to remove the later sentence that says the same thing. I've also done some word-smithing to correct the spelling of AlternateContent and to avoid use of the term "extension element", which has a special meaning.

"Ignorable elements are allowed as child elements of AlternateContent to allow for future extensions to this construct. If AlternateContent were specified to contain only Choice and Fallback elements from the Markup Compatibility namespace (see §8.5), this would prevent the use of other Markup Compatibility elements that would allow extension of AlternateContent in future versions of MCE. Any MCE processor that encounters a child element of AlternateContent that is in the namespace of an intended future extension of MCE will not fail to process the document, provided the namespace of this child element is ignorable, because it will discard all elements in ignorable namespaces that are not understood before making a selection between the remaining Choice and Fallback elements."

Francis



From: Francis Cave [mailto:francis at franciscave.com]
Sent: 23 July 2013 00:42
To: 'SC 34 WG4'
Subject: RE: MCE Revision Issue: §10.6, "Justification of Ignorable Foreign Children of AlternateContent"

I would suggest the following text for this paragraph:

"The way that AlternativeContent is specified to contain only Choice and Fallback elements from the Markup Compatibility namespace (see §8.5) prevents the use of other Markup Compatibility elements that would otherwise allow extension of AlternativeContent in future versions of MCE. For this reason the specification of AlternativeContent allows elements from Ignorable namespaces as children of AlternativeContent. Any MCE processor that encounters a child element of AlternativeContent that is in the namespace of an intended future extension of MCE will not fail to process the document, provided the namespace of the extension element is ignorable, because it will discard all elements in ignorable namespaces that are not understood before making a selection between the remaining Choice and Fallback elements."

I think that a re-write along these lines is clearer than attempting to revise the existing paragraph word-by-word.

Francis


From: Rex Jaeschke [mailto:rex at RexJaeschke.com]
Sent: 22 July 2013 18:47
To: SC 34 WG4
Subject: MCE Revision Issue: §10.6, "Justification of Ignorable Foreign Children of AlternateContent"

A few days ago, I posted to this email list, WG N 0264, "29500-3 (MCE) Revision, WD0.91". It contains proposed changes by John H. based on an action item he took at the Bellevue F2F meeting. This action item was:  Needs wordsmithing - this was an e-mail John sent during the London 2012 meeting to capture some discussion.

Please post your feedback to this list. If we get enough support, we'll close this issue on the next teleconference; otherwise, we'll deal with it at the Delft F2F meeting.

Rex
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