Re: [CF-metadata] [cf-convention/cf-conventions] Conventions release dates are missing since CF-1.7 (#329)

2021-06-21 Thread David Hassell
Thanks, all. I would probably go for the "leave the past documents unchanged for the sake of immutability and simply include the dates in future versions" at this time. If we wanted to do something different in the future, the approach of making a 1.7.1 branch from the 1.7.0 tag sounds very

Re: [CF-metadata] [cf-convention/cf-conventions] Interpretation of negative years in the units attribute (#298)

2021-06-21 Thread JonathanGregory
Dear @davidhassell et al. I will produce some text synthesising the comments made since the current pull request was written. Since then, the preamble on calendars has been modified as a result of the agreement of [issue 313 on leap

Re: [CF-metadata] [cf-convention/cf-conventions] Restrict "gregorian" label to only dates in the Gregorian calendar (#319)

2021-06-21 Thread JonathanGregory
A `strict_gregorian` calendar would be one which is Gregorian and *must not* be used before 1582 i.e. that would be an error, whereas `proleptic_gregorian` can be used both before and after 1582 without error or warning - that is the point of it. However, I am not in favour of

Re: [CF-metadata] [cf-convention/cf-conventions] Restrict "gregorian" label to only dates in the Gregorian calendar (#319)

2021-06-21 Thread David Hassell
It looks like a consensus solution has emerged: * The `gregorian` calendar is deprecated. * The default calendar is redefined as `standard` alone. * The `noleap` and `all_leap` calendars are both redefined to be modifications of the proleptic gregorian calendar. Does that sound right?

Re: [CF-metadata] [cf-convention/cf-conventions] Reference UGRID conventions in CF (#153)

2021-06-21 Thread JonathanGregory
This is fine, thanks. If we agree, I suppose that we need to write propose some textual changes in the CF documents for some of these points. -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub:

Re: [CF-metadata] [cf-convention/cf-conventions] Interpretation of negative years in the units attribute (#298)

2021-06-21 Thread JonathanGregory
Dear all I have drafted a new version of the affected parts of the text of Sect 4.4, taking account of the comments made since the pull request was revised, mostly as suggested but not quite, as follows: * I included the deprecation of `gregorian` from [issue