return lexbuf ("SYMBOL", Ulexing.utf8_lexeme lexbuf))
| eof -> return lexbuf ("EOI", "")
| _ -> error lexbuf "Invalid character"
return lexbuf ("SYMBOL", Ulexing.utf8_lexeme lexbuf))
| eof -> return lexbuf ("EOI", "")
| _ -> error lexbuf "Invalid character"