Github user arunvinudss commented on the issue: https://github.com/apache/commons-text/pull/46 @chtompki Just wondering why space is added as a default delimiter for null delimiter arrays but not for empty delimiter array in WordUtils.capitalizeFully . WordUtils.capitalizeFully("i am fine") --> I Am Fine WordUtils.capitalizeFully("i am fine", null) --> I Am Fine WordUtils.capitalizeFully("i am fine", new char[]{}) --> i am fine I do understand why it happens but not sure if it was intentional ?
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