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

[Eduardo Gutentag <eduardo.gutentag@sun.com>]

I would suggest that "(parsers)" be deleted from the text below.

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.

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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