" Input: { (json_file) - JSON file with dict in a specific format (starts with list, all leafs are also lists or values) or (dict) - dict in a specific format (starts with list, all leafs are also lists or values) (root_key) - root name (such as "proceedings") (root_attributes) - root attributes xml_file - file to save XML (dtd_file) - DTD file to validate produced XML if dtd_file!='': (data_uoa) - if specified use DTD file from that entry (dtd_module_uoa) - if specified use DTD file from that entry, otherwise 'xml' } Output: { return - return code = 0, if successful > 0, if error (error) - error text if return > 0 } "