Kiln match introspection for local-preprocess-epidoc-language

<map:match id="local-preprocess-epidoc-language" pattern="epidoc/preprocess/language/*/**.xml">
<map:generate src="../content/xml/epidoc/{2}.xml" />
<map:transform src="../stylesheets/epidoc/prune-to-language.xsl">
<map:parameter name="language" value="{1}" />
</map:transform>
<map:transform type="i18n">
<map:parameter name="locale" value="{1}" />
</map:transform>
<map:serialize type="xml" />
</map:match>