IFC4.3.x-development
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Wanted more clear specification for IfcRepresentationContext.ContextType
"The supported values for context type are to be specified by implementers agreements." in https://standards.buildingsmart.org/IFC/RELEASE/IFC4_3/HTML/lexical/IfcRepresentationContext.htm
This gives no hint what is this agreement and where to find it. Also we discussed many time we should go away from implementers agreements - having them means specifications are wrong and not exact.
I'm suggesting specifying base list in the schema documentation and allow MVDs to modify the list.