>ttx 0 NotoSansCJK-Regular.ttc
Dumping "NotoSansCJK-Regular.ttc" to "NotoSansCJK-Regular.ttx"...
Error: specify a font number between 0 and 7 (inclusive)
>ttx -y 0 NotoSansCJK-Regular.ttc
Dumping "NotoSansCJK-Regular.ttc" to "NotoSansCJK-Regular.ttx"...
Dumping 'GlyphOrder' table...
Dumping 'head' table...
Dumping 'hhea' table...
Dumping 'maxp' table...
Dumping 'OS/2' table...
Dumping 'name' table...
Dumping 'cmap' table...
Dumping 'post' table...
Dumping 'CFF ' table...
Dumping 'BASE' table...
Dumping 'GPOS' table...
Dumping 'GSUB' table...
Dumping 'VORG' table...
Dumping 'hmtx' table...
Dumping 'vhea' table...
Dumping 'vmtx' table...
