The requirement for [model] synchronisation [during data compression] is only … … [Swap-to-Near-Front:] At the commencement of decoding of each … the collection [of all compressed documents]. … A pointer p is initialised to zero, indicating … When each non-lexicon word is encountered it is … Immediately after being encoded, its current location x … [in the lexicon] is checked … is incremented, and words x and p exchanged. … [Otherwise, x is already in the document.] … At the end of the document, all the …
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