Dear David,
I consider the CF-convention as more binding document than the
guidelines. The CF-conventions specifies case-sensitivity for
standard-names, i.e.
standard name
The name used to identify the physical quantity. A standard name
contains no whitespace and is case sensitive.
From a historical perspective, the guidelines document is several years
younger than the standard_name table and was thought to be 'just' a
guideline on how to construct new standard_names, which I tried to
follow when proposing these standard-names.
The question to the community here is: Is it acceptable to allow
upper-case (or hyphen) for the special case of isotope IUPAC symbols,
even if upper-case symbols haven't been used until now?
In this case, we should eventually update the guidelines, but the
guidelines document is not as governed as the convention-document
(issue-tracker) or the standard-name table (this mailing list). We have
already a special (incomplete) section for chemical species in the
guidelines.
Best regards,
Heiko
On 2018-01-05 09:21, David Hassell wrote:
> Dear Jonathan, et al.,
>
> With regards the uppercase issue, I'm not expressing an opinion either
> way, but just highlighting the standard name guidelines
> (http://cfconventions.org/Data/cf-standard-names/docs/guidelines.html)
> which say
>
> "Standard names consist of lower-letters, digits and underscores, and
> begin with a letter. Upper case is not used."
>
> Is this document to be strictly adhered to, or should it be interpreted
> as just guidelines?
>
> Thanks, David
>
>
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>
--
Dr. Heiko Klein Norwegian Meteorological Institute
Tel. + 47 22 96 32 58 P.O. Box 43 Blindern
http://www.met.no 0313 Oslo NORWAY
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