58. In an apparatus according to claim 56 the futher improvement wherein each of said indirect differential encoding means and said explicit differential encoding means comprises at least one of A. suffix encoding means for storing a digital coding representative of a suffix pattern of a linguistic expression, B. hyphenation encoding means for storing a digital coding representative of a hyphenation pattern of a linguistic expression, and C. capitalization encoding means for storing a digital coding representative of a capitalization pattern of a linguistic expression.
58. In an apparatus according to claim 56 the futher improvement wherein each of said indirect differential encoding means and said explicit differential encoding means comprises at least one of A. suffix encoding means for storing a digital coding representative of a suffix pattern of a linguistic expression, B. hyphenation encoding means for storing a digital coding representative of a hyphenation pattern of a linguistic expression, and C. capitalization encoding means for storing a digital coding representative of a capitalization pattern of a linguistic expression. 59. In an apparatus according to claim 58, the further improvement wherein said indirect differential encoding means comprises decompression table means for storing signals representative of linguistic expression information, said decompression table means comprising at least one of i. first decompression coding means for storing addressable digital codes representative of linguistic expression hyphenation and suffix patterns, and ii. second decompression coding means for storing addressable digital codes representative of linguistic expression alphanumeric character sequences.