Re: [ubl-ndrsc] Proposed text for character set/encoding requirements

["Eve L. Maler" <eve.maler@sun.com>]

Eduardo Gutentag wrote:
> I would suggest that "(parsers)" be deleted from the text below.

Even though "XML processors" is the technically more accurate term, I 
thought that some NDR document readers might not know what it means. 
But if you think they'll grok without the parenthetical word, okay.

> I'd also like to know whether the following two sentences are
> equivalent; if yes, I'd suggest to use the second; if not, I'd
> like to understand why the first is used instead of the second.
> 
> - It is recommended in any case that encoding declarations be
> provided in the XML declarations of UBL documents.
> 
> - It is recommended that in all cases encoding declarations be
> provided in the XML declarations of UBL documents.

I think they mean the same thing, and your rewording is fine.

	Eve

> 
> Eve L. Maler wrote:
> 
>> At the F2F, I agreed to "Propose some declarative text describing 
>> XML's minimum character set/character encoding expectations and saying 
>> that UBL has the same minimum mandatory-to-implement expectations."  
>> Here is an attempt that I hope Mavis will be able to squeeze into the 
>> NDR document for consideration.  If there are no emailed comments by 
>> next week, let's plan to accept it:
>>
>>
>> According to the XML Recommendation [XML], the legal characters in XML 
>> character data are tab, carriage return, line feed, and the legal 
>> characters of Unicode and ISO/IEC 10646, as these standards are 
>> updated from time to time.  It further notes that "The mechanism for 
>> encoding character code points into bit patterns may vary from entity 
>> to entity" and requires all XML processors (parsers) to accept the 
>> UTF-8 and UTF-16 encodings of 10646.  UBL has the same requirements 
>> for legal characters in XML instance documents and the same minimal 
>> requirements for character encoding support in UBL-aware software.  
>> Trading partners may agree on other character encodings to use among 
>> themselves.  It is recommended in any case that encoding declarations 
>> be provided in the XML declarations of UBL documents.
>>
>>
>>     Eve
> 
> 

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Eve Maler                                        +1 781 442 3190
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