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Re: [Cif2-encoding] Drafting issues

There having been no objections to this rewrite, I will now
incorporate it into the main document and submit the whole document to
the DDLm group for their approval.

James.
On Sat, Oct 2, 2010 at 1:44 AM, Bollinger, John C
<[email protected]> wrote:
>
> On Friday, October 01, 2010 9:10 AM, I wrote:
>
>>I think with that we have reached an acceptable position. �I do
>>propose three editorial changes, however, that I intend to clarify
>>the wording without changing its meaning in any way:
>
> Here is specific proposed wording that realizes my suggestions, keeping everything in the same section rather than moving anything to an annex:
>
> ====
> CIF2 files are standard variable length plain text files, which for compatibility with older processing systems will have a maximum line length of 2048 characters. As discussed above and below, however, there are some restrictions on the character set for token delimiters, separators and data names.
>
> For compatibility with CIF1 behaviour, there is no formal restriction on the encoding of CIF2 files, providing they contain only code points from the ASCII range. �If a CIF2 file contains characters equivalent to Unicode code points greater than U+0077 (127 decimal), then the particular encoding used must either be UTF8 or algorithmically identifiable from the CIF2 file itself. �Acceptable identification algorithms will be published as necessary as annexes to this standard (see description of magic code and encoding disambiguation in Change 1). �Annexes notwithstanding,
> (i) a CIF2 file containing characters outside the ASCII range with no BOM and no disambiguation signature will be a UTF8 file, and
> (ii) a CIF2 file containing characters outside the ASCII range with a valid UTF8 or UTF16 BOM and no disambiguation signature, will be a Unicode file written in the indicated encoding.
>
> The use of a BOM for Unicode encodings, including UTF8, is recommended.
> ====
>
> Regards,
>
> John
> --
> John C. Bollinger, Ph.D.
> Department of Structural Biology
> St. Jude Children's Research Hospital
>
>
> Email Disclaimer: �www.stjude.org/emaildisclaimer
>
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