1<Directory>backends/chert</Directory> 2 3<Description> 4Chert is the default backend for the Xapian 1.2.x release series. 5It uses a custom written Btree management system to store 6posting lists and termlists. This is a highly efficient 7backend, using compression to store the postlists, and supporting the 8full range of indexing functionality (positional information, transactions, 9etc). 10</Description> 11