[CF-metadata] Convention attribute

Jonathan Gregory j.m.gregory at reading.ac.uk
Tue Jan 3 11:49:25 MST 2012

Dear all - such as Roy, John (Graybeal) and Mark (Hedley)

Would someone have time to open a trac ticket to propose a change to the CF
convention, in order to clarify the Conventions attribute, following all this
useful email discussion? It seems to me that it would be good to make a
definite decision. I think it's been recognised that, whatever the syntax, it
is up to the data-writer to ensure that multiple conventions do not conflict,
so we ought to state this as well as defining the permissible syntax.

Best wishes


On Mon, Jan 02, 2012 at 07:21:52PM +0000, Lowry, Roy K. wrote:
> Hi John,
> Guess we're on the same wavelength.  99% of usage of the conventions attribute string will be searches using functions like INSTR (function that locates a substring wihin a string), which make delimiters irrelevant but as Benno pointed out carry a (minimal if we're aware) element of risk.  Therefore those of us that care are free to use delimiter conventions to convey semantics on the understanding that their point will be missed by the vast majority of users.

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