The character set used in UDF fields shall be the CS0 OSTA Compressed Unicode character set, required by the UDF standard.
Notes: 1. The CS0 OSTA Unicode character set is defined in UDF and is a subset of Unicode 2.0.
2. UDF defines a specific form of compression of 8 and 16 bit Unicode characters that must be supported.
3. The character set defined elsewhere in this section for DICOM File-set fields is a subset of this character set. However other fields in the UDF file system, and other files in the UDF file system not in the DICOM File-set, may use characters beyond those defined by DICOM for File ID Components, including those encoded in 16 bits.