Text codes
1d510	  41	1d513	
Segment length: 3
pos  gid   attach	     x	     y	ins bw	  chars		Unicode	
00  1572  -1@0,0	   0.0	   0.0	 1  30	  0   0	  1d510	  1d510
01    36  -1@0,0	  11.7	   0.0	 1  30	  1   1	     41	     41
02  1912  -1@0,0	  19.8	   0.0	 1  30	  2   2	  1d513	  1d513
Advance width =   29.2

Char	Unicode	Before	After	Base
0	1D510	0	0	0
1	0041	1	1	1
2	1D513	2	2	2