cmsSigXYZ2LabElemType 1177 src/cmslut.c       return _cmsStageAllocPlaceholder(ContextID, cmsSigXYZ2LabElemType, 3, 3, EvaluateXYZ2Lab, NULL, NULL, NULL);
cmsSigXYZ2LabElemType  263 src/cmsopt.c           Opt |= _Remove2Op(Lut, cmsSigXYZ2LabElemType, cmsSigLab2XYZElemType);
cmsSigXYZ2LabElemType  266 src/cmsopt.c           Opt |= _Remove2Op(Lut, cmsSigLab2XYZElemType, cmsSigXYZ2LabElemType);