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https://issues.apache.org/jira/browse/CODEC-199?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15949007#comment-15949007
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Sebb commented on CODEC-199:
----------------------------
Also code may have its own mapping string and expect the code to deal with HW.
I think it would be better to revert to the original patch, which fixes the HW
behaviour in the code.
This makes the fix less generic, but AFAICT the Soundex algorithm is specific
to English language names.
> Bug in HW rule in Soundex
> -------------------------
>
> Key: CODEC-199
> URL: https://issues.apache.org/jira/browse/CODEC-199
> Project: Commons Codec
> Issue Type: Bug
> Affects Versions: 1.10
> Reporter: Yossi Tamari
> Fix For: 1.11
>
> Attachments: better.patch, soundex.patch
>
>
> The Soundex algorithm says that if two characters that map to the same code
> are separated by H or W, the second one is not encoded.
> However, in the implementation (in Soundex.getMappingCode() line 191), a
> character that is preceded by two characters that are either H or W, is not
> encoded, regardless of what the last consonant was.
> Source: http://en.wikipedia.org/wiki/Soundex#American_Soundex
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