u01@vm01:~/layout/text$ hb-shape /usr/share/fonts/truetype/tlwg/Garuda.ttf --text="abc"
[a=0+569|b=1+569|c=2+511]
u01@vm01:~/layout/text$ hb-shape /usr/share/fonts/truetype/tlwg/Garuda.ttf --text-file=test-thai_s1.txt
[uni0E25=0+607|uni0E4D=0+0|uni0E32=0+449|uni0E14=2+629|uni0E31=2+0|uni0E1A=4+651|uni0E19=5+684|uni0E31=5@-44,0+0|uni0E49=5@-7,0+0]
[]
u01@vm01:~/layout/text$ hb-ot-shape-closure /usr/share/fonts/truetype/tlwg/Garuda.ttf --text="abc"
a b c
u01@vm01:~/layout/text$ hb-ot-shape-closure /usr/share/fonts/truetype/tlwg/Garuda.ttf --text-file=test-thai_s1.txt
uni0E14 uni0E19 uni0E1A uni0E25 uni0E31 uni0E32 uni0E33 uni0E49 uni0E4D uni0E49.low uni0E4D.high
