Revision history for Perl extension Search::Indexer.

1.01 01.07.2021
  - bug fix : CORE::fc did not compile with perl versions < 5.016

1.0  29.06.2021
  - new algorithm (Okapi bm25) for relevancy scores, like ElasticSearch or SQLite FTS5
  - default tokenizer now relies on unicode \p{Word}
  - use BerkeleyDB "partials" for more efficient indexing
  - general revision of the source code and documentation
  - upgrade tests to use Test2::V0
  INDEXES ARE NOT COMPATIBLE WITH PREVIOUS VERSION, you need to reindex your docs.

0.78 11.02.2016
  - suppress spurious warnings in Indexer.pm

0.77 04.05.2013
  - fix warning in dump() & identify stopwords

0.76 26.06.2009
  - suppress spurious warning in addToScore

0.75 24.09.2007
  - bug fix: remove() did not work on indexes without word positions

0.74 11.03.2007
  - bug fix in checking "positions" option

0.73 11.03.2007
  - added option "positions => 0" for smaller (yet less precise) indexes

0.72 
  - fixed regex bug (missing "quotemeta")

0.71 25.05.2005 

  - Internal structure change : use Btree instead of Hash for
    ixw and ixp. This takes more space but allows us to walk
    through words in the dictionary, or through words in a 
    given doc. INDEXES ARE NOT COMPATIBLE WITH PREVIOUS
    VERSION, you need to reindex your docs.

  - add" method : check that $docId is a fresh number
  - "remove" method : no longer necessary to supply text buffer;
    just give the docId to remove
  - new method "words" and "wordIds"
  - modified "translateQuery" for compatibility with 
    Search::QueryParser v0.91

0.70 Feb 6th. First public release.
