// described in T. A. Welch, ``A Technique for High-Performance Data
// Compression'', Computer, 17(6) (June 1984), pp 8-19.
//
-// In particular, it implements LZW as used by the GIF, TIFF and PDF file
+// In particular, it implements LZW as used by the GIF and PDF file
// formats, which means variable-width codes up to 12 bits and the first
// two non-literal codes are a clear code and an EOF code.
+//
+// The TIFF file format uses a similar but incompatible version of the LZW
+// algorithm. See the code.google.com/p/go.image/tiff/lzw package for an
+// implementation.
package lzw
-// TODO(nigeltao): check that TIFF and PDF use LZW in the same way as GIF,
+// TODO(nigeltao): check that PDF uses LZW in the same way as GIF,
// modulo LSB/MSB packing order.
import (