Hal�csy P�ter wrote:
> To be exact it's not a bug, it's feature ;) Well, the structured query language of 
>Lucene (and Google and others) is not a strict boolean language. For example I think 
>the QueryParser of Lucene do not support parenthesis: a AND (b OR C) 

Lucene's query parser does support parentheses.  As with programming 
language, if you really care about operator precedence, parenthesize 
heavily.  A fully parenthesized boolean query should always be 
interpreted correctly by Lucene's query parser.

Doug


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