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From Steinar Cook <>
Subject [codec]Implementing support for additional non-english vowels in double metaphone
Date Mon, 23 Oct 2006 20:35:13 GMT
I have made some modifications to  
org.apache.commons.codec.language.DoubleMetaphone in order to support  
the three additional Norwegian and Danish vowels.  The current  
implementation at Jakarta does not provide any methods to specify the  
language of the input text.

Is it all right to modify DoubleMetaphone to support the Scandinavian  
vowels (Swedish, Danish and Norwegian) and possibly other languages  
or have I completely misunderstood the idea behind the double  
metaphone algorithm? That is, should double metaphone detect various  
language constructs automatically or is it perhaps a better idea to  
have a factory which returns a double metaphone implementation  
appropriate for the language?

Any suggestions?

I would like to contribute any changes back to Jakarta commons-codec,  
of course.

Steinar Cook

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