sdf required attribute
In sdf schema element definition, there is a "required" attribute. It's value might be "1", "0", "". What is the meaning of "" in this context?
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As documented here, these are the possible values for required:
1: Exactly one is required+: At least one is required, may have more*: Zero or more elements are accepted0: Optional, not required, If present, there should be only one.Asked: 2019-08-18 22:02:11 -0500
Seen: 51 times
Last updated: Aug 19 '19
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