+/*
+ C.7.6.3.1.5
+ The three values of Palette Color Lookup Table Descriptor (0028,1101-1103)
+ describe the format of the Lookup Table Data in the corresponding
+ Data Element (0028,1201-1203) or (0028,1221-1223).
+
+ The first value is the number of entries in the lookup table.
+ When the number of table entries is equal to 2**16 then this value shall be 0.
+
+ The second value is the first stored pixel value mapped.
+ This pixel value is mapped to the first entry in the Lookup Table Data.
+ All image pixel values less than the first entry value mapped are also
+ mapped to the first entry in the Lookup Table Data.
+ An image pixel value one greater than the first entry value mapped is
+ mapped to the second entry in the Lookup Table Data.
+ Subsequent image pixel values are mapped to the subsequent entries in
+ the Lookup Table Data up to an image pixel value equal to number of
+ entries + first entry value mapped - 1 which is mapped to the last entry
+ in the Lookup Table Data.
+ Image pixel values greater than or equal to number of entries + first entry
+ value mapped are also mapped to the last entry in the Lookup Table Data.
+
+ The third value specifies the number of bits for each entry in the Lookup
+ Table Data. It shall take the value of 8 or 16.
+ The LUT Data shall be stored in a format equivalent to 8 or 16 bits
+ allocated where the high bit is equal to bits allocated-1.
+
+ When the Palette Color Lookup Table Descriptor (0028,1101-1103) are used as
+ part of the Palette Color Lookup Table Module, the third value shall be
+ equal to 16.
+
+ Note: A value of 16 indicates the Lookup Table Data will range from (0,0,0)
+ minimum intensity to (65535,65535,65535) maximum intensity.
+
+*/
+
+ // Just in case some access to a File element requires disk access.