IfcDoorTypeEnum, USERDEFINED and NOTDEFINED: weird descriptions


I found in the entity IfcDoorTypeEnum the following descriptions for the enumerated Predefined types USERDEFINED and NOTDEFINED.

IMO, it seems an error. But maybe someone could give us an explanation.


Thanks for this. Will make sure that IFC4.2 already has this corrected.

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Apparently it’s a copy/paste error…

well spoted @daviddelven :nerd_face:

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also the next technical corrigendum (documentation update) of IFC4 Add2 should have this fix. Yes, a copy & paste issue.

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