typedef enum {
 	icSigCurveType						= 0x63757276L,	/* 'curv' */
 	icSigDataType						= 0x64617461L,	/* 'data' */
 	icSigDateTimeType						= 0x6474696DL,	/* 'dtim' */
 	icSigLut16Type						= 0x6d667432L,	/* 'mft2' */
 	icSigLut8Type						= 0x6d667431L,	/* 'mft1' */
 	icSigMeasurementType						= 0x6D656173L,	/* 'meas' */
 	icSigNamedColorType						= 0x6E636f6CL,			/* `ncol' , obsolete, use `ncl2' */
 	icSigProfileSequenceDescType	= 0x70736571L,	/* 'pseq' */
 	icSigS15Fixed16ArrayType							= 0x73663332L,	/* 'sf32' */
 	icSigScreeningType						= 0x7363726EL,	/* 'scrn' */
 	icSigSignatureType						= 0x73696720L,	/* 'sig ' */
 	icSigTextType						= 0x74657874L,	/* 'text' */
 	icSigTextDescriptionType							= 0x64657363L,	/* 'desc' */
 	icSigU16Fixed16ArrayType							= 0x75663332L,	/* 'uf32' */
 	icSigUcrBgType						= 0x62666420L,	/* 'bfd ' */
 	icSigUInt16ArrayType						= 0x75693136L,	/* 'ui16' */
 	icSigUInt32ArrayType						= 0x75693332L,	/* 'ui32' */
 	icSigUInt64ArrayType						= 0x75693634L,	/* 'ui64' */
 	icSigUInt8ArrayType						= 0x75693038L,	/* 'ui08' */
 	icSigViewingConditionsType							= 0x76696577L,	/* 'view' */
 	icSigXYZType						= 0x58595A20L,	/* 'XYZ ' */
 	icSigXYZArrayType						= 0x58595A20L,	/* 'XYZ ' */
 	icSigNamedColor2Type						= 0x6E636C32L,	/* 'ncl2' */
 	icMaxEnumType						= 0xFFFFFFFFL	/* enum = 4 bytes max */
 } icTagTypeSignature;