Joe Conway 13629df5a1 Add double metaphone code from Andrew Dunstan. Also change metaphone so that ...

an empty input string causes an empty output string to be returned, instead of
throwing an ERROR -- per complaint from Aaron Hillegass, and consistent with
double metaphone. Fix examples in README.soundex pointed out by James Robinson.

2004-07-01 03:25:48 +00:00

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