#140: Clarifying the role of attributes on boundary variables.
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  Reporter:  davidhassell    |      Owner:  cf-conventions@…
      Type:  enhancement     |     Status:  new
  Priority:  medium          |  Milestone:
 Component:  cf-conventions  |    Version:
Resolution:                  |   Keywords:  boundary variable, attribute
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Comment (by taylor13):

 Thanks, David and Jonathon, for continuing to engage on this, because I
 agree that it is important to try to include this in 1.7 (in support of
 CMIP6).  I think there is probably no harm (and may be some virtue) in
 allowing the "implicit" case, so I support Jonathan's most recent proposal
 and David's amendment that "it is strongly recommended that its boundary
 variable has a formula_terms attribute too."

 I must confess that I didn't find the text added by David at the end,
 starting with "If the formula_terms attribute is omitted" to be helpful.
 Perhaps it's the time of the evening or the afterglow of a nice glass of
 wine, but unless Jonathan thinks this text will be understandable and
 enlightening, then I would favor omitting it.

 Let's try to wrap this up.

 Anyone else with any objections to the proposal?

 best regards,
 Karl

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Ticket URL: <https://cf-trac.llnl.gov/trac/ticket/140#comment:13>
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