Text codes
  31	  30	
210=200
Segment length: 5
pos  gid   attach	     x	     y	ins bw	  chars		Unicode	
00  1630  -1@0,0	   0.0	   0.0	 1  30	  0   0	     31	     31
01    71  -1@0,0	   0.0	   0.0	 1  30	  1   1	     30	     30
02    72  -1@0,0	   6.0	   0.0	 1  30	  0   0	     31	     31
03    78  -1@0,0	  11.2	   0.0	 1  30	  1   1	     30	     30
04  1630  -1@0,0	  16.9	   0.0	 1  30	  1   1	     30	     30
Advance width =   16.9

Char	Unicode	Before	After	Base
0	0031	0	2	0
1	0030	1	4	1