const fmt.udigits

6 uses

	fmt (current package)
		format.go#L14: 	udigits = "0123456789ABCDEFX"
		format.go#L171: 		buf[i] = udigits[u&0xF]
		format.go#L176: 	buf[i] = udigits[u]
		print.go#L439: 		p.fmt.fmtInteger(v, 16, isSigned, verb, udigits)
		print.go#L502: 		p.fmt.fmtSx(v, udigits)
		print.go#L542: 		p.fmt.fmtBx(v, udigits)