Mark Adler 4f5779a8e7 Insert the first two strings in the hash table after a flush. ...

This allows deflate to generate the same output when continuing after
a Z_SYNC_FLUSH vs. using deflateSetDictionary() after a Z_FULL_FLUSH
or a deflateReset().  It also slightly improves compression when
flushing by providing two more strings to possibly match at the start
of the new block.

2012-01-13 23:54:40 -06:00

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