*/
void popLanguageName();
+/** Return a reference to the last active language opened with
+ polyglossia or when using begin/end commands. If none or when
+ using babel with only a begin command, return a reference to
+ an empty string.
+ */
+std::string const & openLanguageName();
+
/** Export optional and required arguments of the paragraph \p par.
Non-existing required arguments are output empty: {}.
*/