cmsSigLuminanceTag 5403 src/cmstypes.c     { cmsSigLuminanceTag,           { 1, 1, { cmsSigXYZType }, NULL}, &SupportedTags[26]},
cmsSigLuminanceTag 5224 testbed/testcms2.c         if (!CheckXYZ(Pass, h, cmsSigLuminanceTag)) return 0;