Benjamin Waters created CODEC-308:
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Summary: Nysiis encoding incorrect for the string 'Ash'
Key: CODEC-308
URL: https://issues.apache.org/jira/browse/CODEC-308
Project: Commons Codec
Issue Type: Bug
Affects Versions: 1.16, 1.15
Reporter: Benjamin Waters
When doing the Nysiis encoding for the word 'Ash' the commons codec
implementation of Nysiis is returning null when it should return 'A'.
Looking over the Nysiis algorithm we can see it says: "The first character of
the NYSIIS code is the first character of the name."
After that it says to scan through the characters and based on various rules it
will remove all the characters.
Due to the rule that the first character of the name should be the first
character of the code though, the first character should be added back if all
others are removed.
This was double checked with [another
implementation|http://dropby.com/NYSIIS.html] which encoded 'Ash' to 'A'
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