down-translate (with (sgml | xml))?
down-translate is deprecated, but is supported for compatibility with earlier versions of OmniMark.
Indicates the beginning of a down-translation program. (A down translation program converts SGML or XML to another format). This keyword must appear at the beginning of the program.
To do a down-translate of an XML file, you must use the modifier "with xml":
down-translate with xml