<action issue="IO-436" dev="ggregory" type="fix" due-to="christoph.schneegans">
  Improper JavaDoc comment for FilenameUtils.indexOfExtension.
</action>            


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1586305 13f79535-47bb-0310-9956-ffa450edef68