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https://issues.apache.org/jira/browse/CODEC-320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17838783#comment-17838783
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Gary D. Gregory commented on CODEC-320:
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[~mfry4109]
Thank you for your report and research. This is fixed in git master and
snapshot builds in
[https://repository.apache.org/content/repositories/snapshots/commons-codec/commons-codec/1.17.0-SNAPSHOT/]
> Wrong output of DoubleMetaphone in 1.16.1
> -----------------------------------------
>
> Key: CODEC-320
> URL: https://issues.apache.org/jira/browse/CODEC-320
> Project: Commons Codec
> Issue Type: Bug
> Reporter: Martin Frydl
> Priority: Major
> Fix For: 1.17.0
>
> Attachments: Test.java, fix.patch
>
>
> It looks like there is a bug in DoubleMetaphone implementation in version
> 1.16.1. Older 1.16.0 is fine. In fact I'm not 100% sure it is a bug, but it
> behaves differently and the old output looks much more reasonable than the
> new one.
> Old code contains index+=2 -
> https://github.com/apache/commons-codec/blob/rel/commons-codec-1.16.0/src/main/java/org/apache/commons/codec/language/DoubleMetaphone.java#L462
> New code does not contain that line -
> https://github.com/apache/commons-codec/blob/rel/commons-codec-1.16.1/src/main/java/org/apache/commons/codec/language/DoubleMetaphone.java#L619
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