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Re: Standard X- name prefix?

• To: "Discussion list of the IUCr Committee for the Maintenance of the CIFStandard (COMCIFS)" <comcifs@iucr.org>
• Subject: Re: Standard X- name prefix?
• From: Brian McMahon <bm@iucr.org>
• Date: Fri, 16 Mar 2007 13:25:27 +0000
• In-Reply-To: <45F818E0.6040200@niehs.nih.gov>
• References: <45F818E0.6040200@niehs.nih.gov>

Joe

> I added my own prefix to the prefix registry for general-purpose local
> data types. Perhaps it would be better to generalize the idea similar to
> mail/HTTP and other internet headers which reserve the "X-" prefix to
> mean a non-standard name. This could be reserved for local developmental
> work, or temporary additions not defined in the current dictionary.

Paragraph 10 of
http://www.iucr.org/iucr-top/cif/spec/version1.1/cifsemantics.html#namespace
allows for [local] to be used in this way - not as succinct as "X-", but
the same idea.

Brian

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• References:
  • Standard X- name prefix? (Joe Krahn)

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