const mime.upperhex

5 uses

	mime (current package)
		encodedword.go#L153: 			buf.WriteByte(upperhex[b>>4])
		encodedword.go#L154: 			buf.WriteByte(upperhex[b&0x0f])
		encodedword.go#L184: const upperhex = "0123456789ABCDEF"
		mediatype.go#L74: 					b.WriteByte(upperhex[ch>>4])
		mediatype.go#L75: 					b.WriteByte(upperhex[ch&0x0F])