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-$PostgreSQL: pgsql/src/backend/access/nbtree/README,v 1.19 2008/03/20 17:55:14 momjian Exp $
+$PostgreSQL: pgsql/src/backend/access/nbtree/README,v 1.20 2008/03/21 13:23:27 momjian Exp $
Btree Indexing
---------------
+==============
This directory contains a correct implementation of Lehman and Yao's
high-concurrency B-tree management algorithm (P. Lehman and S. Yao,