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Re: I18N-ISSUE-246: Clarify character encoding behavior when calculating storage size [ITS-20]

From: Stephan Walter <stephan.walter@cocomore.com>
Date: Tue, 29 Jan 2013 12:34:09 +0000
To: "public-multilingualweb-lt-comments@w3.org" <public-multilingualweb-lt-comments@w3.org>
Message-ID: <9F17297605BABC4F8C79050627BCF0F27FDC15@AMSPRD0511MB548.eurprd05.prod.outlook.com>
Dear Norbert,

this concerns issues 106 [1] and 107 [2] which you reported on the draft specification of the ITS 2.0 Tagset Standard.

At our last working group meeting we had a discussion on the topic. We came to the conclusion that the specification need not impose any requirements on implementations regarding supported character encodings, behavior on encoding problems or representation of line breaks.

In the context addressed by your issues this was not intended. The storageEncoding and lineBreakType will enable an implementation to make use of the storageSize information in a sensible way. The details of how this information is used are however up to the implementation.  We agreed to make this clearer by adding  a clarification to the end of the definition of Storage Size (8.21.1) as follows:

The storage size is expressed in bytes and is provided along with the character set encoding used to store the content.

The storage size is expressed in bytes and is provided along with the character set encoding, and optionally the line break type, that will be used when the content will be stored. In order to check if the translation of the content will fit inside the storage limit given by storageSize, it has to be calculated whether the byte sequence that results from encoding this translation is shorter than the given limit. This byte sequence is to be produced using the specified encoding (and possibly line break type).

Would you agree that this answers the questions raised in your issues in an appropriate way?

Best regards

Stephan Walter

[1] https://www.w3.org/International/multilingualweb/lt/track/issues/106, http://www.w3.org/International/track/issues/246

[2] https://www.w3.org/International/multilingualweb/lt/track/issues/107, http://www.w3.org/International/track/issues/247

Dr. Stephan Walter, Senior IT-Consultant
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Received on Wednesday, 30 January 2013 10:53:51 UTC

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