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https://issues.apache.org/jira/browse/TEXT-88?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16076982#comment-16076982
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ASF GitHub Bot commented on TEXT-88:
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Github user ameyjadiye commented on the issue:
https://github.com/apache/commons-text/pull/48
```isDelimiter``` is simply the method to identify if codePoint or char is
present in given second parameter which is array. ofcource if array is empty it
means first param is not present in array and should return false, I think
overall behaviour of ```capitalizeFully``` is correct now.
> WordUtils.capitalizeFully behaves in a counterintuitive manner with empty
> delimiter array.
> ------------------------------------------------------------------------------------------
>
> Key: TEXT-88
> URL: https://issues.apache.org/jira/browse/TEXT-88
> Project: Commons Text
> Issue Type: Bug
> Reporter: Rob Tompkins
>
> As discussed in TEXT-85, it seems that
> {code:java}
> WordUtils.capitalizeFully("i am fine", new char[]{}) // --> i am fine
> {code}
> Both Sebb and Arun think that this is odd and that the letter "i" should have
> been capitalized resulting in the output {{I am fine}}
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