mpv/TOOLS/subfont-c/encodings/charmap2enc

#!/usr/bin/awk -f
# only for mostly 2-byte encodings like euc-kr

$2~"^/x..$" {
	c = substr($2, 3, 2)
	if (c<"80")
	    print substr($1, 3, 4) "\t" c
}
$2~"^/x../x..$" {
	print substr($1, 3, 4) "\t" substr($2, 3, 2) substr($2, 7, 2)
}