gistfile1.txt

<?xml version="1.0" encoding="utf-8"?>
<style xmlns="http://purl.org/net/xbiblio/csl" class="in-text" version="1.0" demote-non-dropping-particle="never" default-locale="en-US">
  <info>
    <title>Ekonomie a Management (English)</title>
    <title-short>E+M</title-short>
    <id>http://www.zotero.org/styles/ekonomie-a-management-en</id>
    <link href="http://www.zotero.org/styles/ekonomie-a-management-en" rel="self"/>
    <link href="http://www.zotero.org/styles/ekonomie-a-management-cs" rel="independent-parent"/>
    <link href="http://www.ekonomie-management.cz/en/instructions/" rel="documentation"/>
    <author>
      <name>Libor Ansorge</name>
      <email>libor.ansorge@gmail.com</email>
    </author>
    <category citation-format="numeric"/>
    <category field="science"/>
    <issn>1212-3609</issn>
    <summary>Style for yournal Ekonomie a Management for english articles. Style based on ČSN ISO 690:2011</summary>
    <updated>2013-04-24T22:21:53+00:00</updated>
    <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
  </info>
</style>

Any idea why default-locale do not override default-locale from independent style?