With <lingo> the output language is set. The coding of the output language consists of two letters according to ISO 639 code (see Code for the Representation of the Names of Languages. From ISO 639, revised 1989). If the element is not given, or the executing software doesn't support these language, by default English output is generated. For example, "common" languages and their codes are:
English - en
Spanish - es
German - de
French - fr
Italian - it
Russian - ru
Portuguese - pt
Swedish - sv
<lingo> max appear only once.
<output>
<fileformat>, <filename>, <headline>, <output>, <remark>
(see also <output>)
<!-- English -->
<lingo>en</lingo>
<!-- German -->
<lingo>de</lingo>
<!-- Spanish -->
<lingo>es</lingo>
<!-- Greek -->
<lingo>el</lingo>
<!-- Quechua :-) -->
<lingo>qu</lingo>