Thomas Liebich

thanks for reporting - this should have a high priority for fixing it before starting the ISO DIS ballot a related question: the definition of **IfcVibrationDamper** is: A vibration damper...

for me those are perfectly fine issues for an updated submission in about two-months from now.

we also need to have a possibility to "folk" the documentation generation for ISO, e.g. to have a particular ISO foreword (replacing the buildingSMART foreword) and others. See such different...

I would assume that the first chapters: foreword, introduction, scope, references, terms and definition will be covered by the ISO review process (at least in the past that was of...

there are actually two explanations provided in the semantic definition of IfcAxis2Placement3D that could be improved and unified: at the entity definition: "If the attribute values for Axis and RefDirection...

a) correct and the sentence should be corrected in regard to the later introduced where rule b) I subsumed in under "If the IfcAxis2Placement3D is used by an geometric representation...

+1 for override being classification system specific. So if the occurrence has another IfcClassificationReference, pointing to the same instance of IfcClassification as the type, then the occurrence classification overrides the...

documentation says: CoG | Point to identify the center of gravity of an element. This value can be used for validation purposes. [see here](http://ifc43-docs.standards.buildingsmart.org/IFC/RELEASE/IFC4x3/HTML/lexical/IfcShapeRepresentation.htm)

+1 from my side, it should be easy to add some small suggestions - name adjustment to make sure, that it relates to the body shape representation only Qto_BodyGeometryValidation -...

at least we need to be specific - do the validation parameter apply (only) to the shape representation of the element itself, or also taking additional modifiers provided by a...