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- DIF Version 2.1
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- Version 2.1 is a compact version of DIF (9 7/8 K instead of
- 14 3/8 K) based upon Chuck Forsberg's Version 2.0. Version 2.1
- differs functionally from Version 2.0 in the following respects:
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- 1. DIF V2.1 does not support pipes;
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- 2. If the files being compared are identical and output is
- redirected to a file, DIF V2.1 will not delete the
- (empty) difference file.
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- For those interested, the size reduction was obtained by
- using Software Toolworks's C/80 C compiler and a tight run-time
- library.
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- DIF Version 2.2
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- Version 2.2 is functionally equivalent to Version 2.1 but
- runs approximately 25% faster.
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- Carl Mascott
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