XMP Specification September 2005 9 Preface Changes in This Document – Corrected value type for photoshop:SupplementalCategories, changed “Text” to “bag Text” (under “Photoshop Schema” on page 54) – Corrected “uncalibrated” value for exif:ColorSpace, changed -32768 to 65535 (under “EXIF Schema for EXIF-specific Properties” on page 60) – Clarified the description of the 2 GPSCoordinate value forms (under “GPSCoordinate” on page 84) – Removed the suggested usage of an “instance ID” for the rdf:about attribute (see “The rdf:about attribute” on page 23) – Noted that the XMP must be encoded as UTF-8 when embedded in TIFF, JPEG, JPEG 2000, PNG, PDF, PSD, and PostScript/EPS files (see Chapter 5, “Embedding XMP Metadata in Application Files”) ● June 2005: – Added qualification to XMP property and structure names in examples. – Noted that XML namespace URIs must end in “/” or “#” to be RDF friendly. – References to RFC 1766 were changed to RFC 3066. – Clarified Unicode encoding requirements. – Clarified description of The rdf:about attribute. – Noted that top-level RDF typed nodes are not supported. – Added information for: XMP Dynamic Media Schema Camera Raw Schema EXIF Schema for Additional EXIF Properties – Corrected descriptions of tiff:DateTime (spelling of EXIF attribute SubSecTime) and tiff:Artist (corresponds to first item in dc:creator array). See EXIF Schema for TIFF Properties. – Added Property Value Types: Colorant Font Video Media Value Types – Corrected Property Value Types descriptions: Date Locale Job – Added reference to DNG in Chapter 5, “Embedding XMP Metadata in Application Files”. – Noted that in PostScript, the XMP marker must be at the beginning of a line. See Ordering of Content. ● September 2005 – Minor clarifications.