}
	return Is(Punct, r)
}

// IsSpace reports whether the rune is a space character as defined
// by Unicode's White Space property; in the Latin-1 space
// this is
//
//	'\t', '\n', '\v', '\f', '\r', ' ', U+0085 (NEL), U+00A0 (NBSP).
//
// Other definitions of spacing characters are set by category
// Z and property [Pattern_White_Space].
func IsSpace(r rune) bool {
	// This property isn't the same as Z; special-case it.

		},

		// yellow cells
		complicated: []intset{
			0:  linksTo(2, 4),
			1:  linksTo(4, 8),
			2:  linksTo(0, 3, 4, 5, 8, 9),
			3:  linksTo(2, 8, 11),
			4:  linksTo(0, 1, 2, 8),
			5:  linksTo(2),
			6:  nil,
			7:  linksTo(9, 11),
			8:  linksTo(1, 2, 3, 4, 10, 12),
			9:  linksTo(2, 7, 11),
			10: linksTo(8),
			11: linksTo(3, 7, 9, 12),
			12: linksTo(8, 11),
		},

000002e0  7d 7d 42 7f 9f db 53 a2  a9 e5 be b4 32 47 65 9a  |}}B...S.....2Ge.|
000002f0  cc d6 9f ee 4c bc 28 7d  27 00 69 e2 fa fd fa 65  |....L.(}'.i....e|
00000300  a0 3d c1 00 85 a9 28 8c  d1 9b 6d 49 2f 84 17 b0  |.=....(...mI/...|
00000310  59 cd ac 79 a8 6d cc 8a  a0 05 e9 ca e8 df 14 2d  |Y..y.m.........-|
00000320  a0 59 a3 75 a6 c6 ec 91  37 e1 e6 dc 6d d8 74 96  |.Y.u....7...m.t.|

  response.body().source().readByteString();
}
```

And the listener prints the corresponding events:

```
REQUEST 1 (new connection)
0.000 callStart
0.010 dnsStart
0.017 dnsEnd
0.025 connectStart
0.117 secureConnectStart
0.586 secureConnectEnd
0.586 connectEnd
0.587 connectionAcquired
0.588 requestHeadersStart
0.590 requestHeadersEnd
0.591 responseHeadersStart
0.675 responseHeadersEnd

				break
			}

			// We break if we did not see 2.5% growth rate in total GET
			// requests, we have reached our peak at this point.
			doBreak := float64(totalGet-throughputHighestGet)/float64(totalGet) < 0.025

			throughputHighestGet = totalGet
			throughputHighestResults = results
			throughputHighestPut = totalPut

			if doBreak {
				sendResult()
				break
			}

		for i := 0; i < b.N; i++ {
			sink8, sink8, sink8 = RGBToYCbCr(0, 0, 0)
		}
	})
	b.Run("Cb", func(b *testing.B) {
		for i := 0; i < b.N; i++ {
			sink8, sink8, sink8 = RGBToYCbCr(0, 0, 255)
		}
	})
	b.Run("Cr", func(b *testing.B) {
		for i := 0; i < b.N; i++ {
			sink8, sink8, sink8 = RGBToYCbCr(255, 0, 0)
		}
	})
}

func BenchmarkYCbCrToRGBA(b *testing.B) {

00000310  52 38 ef a5 fa 84 63 70  f0 6d 64 ec 66 1a c9 b5  |R8....cp.md.f...|
00000320  78 ba 17 74 f4 b4 2b a2  fe 9a 7f 38 b8 5e 8b 56  |x..t..+....8.^.V|
00000330  a6 7b 2c 92 7f db 58 c8  fa f9 2d 6b 00 25 dc 0a  |.{,...X...-k.%..|
00000340  aa 13 e8 40 f3 fd 47 23  f6 bf 1c 30 fc 91 18 95  |...@..G#...0....|
00000350  ac a8 82 3d f5 ef 17 03  03 00 99 7e 30 4f f1 00  |...=.......~0O..|