<varlistentry>
<term><option>ZEBRA_LANGUAGE</option></term>
<listitem>
<para>Primary language for Zebra indexing. Possible values are 'en', 'fr' and 'nb'.</para>
<para>Primary language for Zebra indexing. Possible values are 'en', 'es', 'fr', 'nb', 'ru' and 'uk'.</para>
</listitem>
</varlistentry>
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