M_APP13           978 coders/meta.c          if (marker != M_APP13)
M_APP13           987 coders/meta.c        case M_APP13:
M_APP13          1054 coders/meta.c      marker = jpeg_skip_till_marker(ifile, M_APP13);
M_APP13          1055 coders/meta.c      if (marker == M_APP13)