Re: A managed phase-out of DDL1 dictionaries
- To: "Discussion list of the IUCr Committee for the Maintenance of the CIFStandard (COMCIFS)" <comcifs@iucr.org>
- Subject: Re: A managed phase-out of DDL1 dictionaries
- From: James Hester <jamesrhester@gmail.com>
- Date: Mon, 24 Apr 2017 13:08:03 +1000
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Dear James
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Thank you for publishing this proposal. I support the proposed process for the change over, but am unsure of the timetable. A few months ago a message indicated a web page that listed software that was already DDLm compatible.  This morning I have had a search on the IUCr website in the DDLm and software sections and could not find it, but what I recall is that at the time I looked it was somewhat sparsely populated.  I appreciate that a little positive pressure in the direction of change can be a good thing, I also recognise the need to work with what already exists. My overall feeling is that the discontinuation of DDL1 dictionaries should be driven by software and community adoption, that a date should not be set until there is sufficient community uptake. Otherwise I feel there is a risk that discontinuing DDL1 dictionaries will effectively equate to discontinuing all dictionary updates.
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I will state that this is entirely my personal view as a CIF user and software engineer, rather than being any kind of official view of the CCDC, my employer.
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Best wishes,
Â
Matthew
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the DDL1 dictionaries will be prominently marked as deprecated and after a nominal period (say 2 years) maintenance will cease and links to the dictionaries will be removed (although their historic URIs cannot be changed and so they will not be removed).
If any of you see an issue with this, please comment.
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