Hi, I am finishing the documentation of the new TXT parser, i think is the 
moment to consider this work and vote.

For details, take a look at the following link:

http://docs.codehaus.org/display/GEOTOOLS/Extention+of+CQL+to+match+abilities+of+Filter

To see how the new parser work I recommend the unit test included in 

http://svn.geotools.org/trunk/modules/library/cql/src/test/java/org/geotools/filter/text/txt/TXTTest.java

and the user documentation 

http://docs.codehaus.org/display/GEOTDOC/03+TXT+Examples

You can find a lot of examples in the package

cql/src/test/java/org.geotools.filter.text.txt

The details about the new TXT grammar is in the following link:

http://docs.codehaus.org/display/GEOTOOLS/TXT+Parser+Design

Note that in the proposal, I add a release column, but it is only an idea 
(maybe this is a PMC work?). If you feel that the strategy release should be 
other, I will not problem to change or backport this work to 2.5.x branch.

cheers
-- 
Mauricio Pazos
www.axios.es

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