Syntax:  EXTRACT LANGUAGE language_name_wild

  Extracts the definition of the specified language(s).

  LSE inserts the indicated definitions at the end of the current
  buffer in a form that lets them be executed with the EXECUTE BUFFER
  PLSE command.

  RELATED COMMANDS:

     DELETE LANGUAGE             SET LANGUAGE commands
     EXTRACT NEW LANGUAGE        SHOW LANGUAGE
     NEW LANGUAGE