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This code is for creating and interpreting `vcdiff'.
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The full specification of the vcdiff format is in the draft RFC
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(draft-korn-vcdiff-01.txt), and some discussion of how to *generate*
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diffs may be found there as well.
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This README provides an informal summary of how we implement vcdiff,
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1. The vcdiff format and how to use it.
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2. Generating vcdiffs.
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1. The vcdiff format and how to use it.
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=======================================
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*** holy cow i'm at home reading the paper. -kff ***
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A vdiff consists of a 4 byte header, followed by a series of
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"sections". Each section is
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A 4 byte header -- the letters "VCD" with their eighth bits set,
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then a format version number:
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byte 1 byte 2 byte 3 byte 4
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---------- ---------- ---------- -------------------
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`V' + 1<<7 `C' + 1<<7 `D' + 1<<7 Version (currently 0)
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2. Generating vcdiffs.
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======================