indexer.conf
LangMapFile {filename}
LangMapFile loads a language map for the character set and language guesser from the given file.
The file name can be either absolute or relative to mnoGoSearch /etc directory.
LangMapFile langmap/en.ascii.lm
DefaultLang, GuesserUseMeta, LangMapUpdate, LoadChineseList, LoadThaiList, VaryLang.