bytesIn.writeByte(0x0a) // Literal name (len = 10)
    bytesIn.writeUtf8("custom-foo")
    bytesIn.writeByte(0x0d) // Literal value (len = 13)
    bytesIn.writeUtf8("custom-header")
    bytesIn.writeByte(0x40) // Literal indexed
    bytesIn.writeByte(0x0a) // Literal name (len = 10)
    bytesIn.writeUtf8("custom-bar")
    bytesIn.writeByte(0x0d) // Literal value (len = 13)

    assertThat(Buffer().writeUtf8("white\t space").isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeByte(0x80).isProbablyUtf8()).isTrue()
    assertThat(Buffer().writeByte(0x00).isProbablyUtf8()).isFalse()
    assertThat(Buffer().writeByte(0xc0).isProbablyUtf8()).isFalse()
  }

   0984
   098D-098E
   0991-0992
   09A9
   09B1
   09B3-09B5
   09BA-09BB
   09BD
   09C5-09C6
   09C9-09CA
   09CE-09D6
   09D8-09DB
   09DE
   09E4-09E5
   09FB-0A01
   0A03-0A04
   0A0B-0A0E
   0A11-0A12
   0A29
   0A31
   0A34
   0A37
   0A3A-0A3B
   0A3D
   0A43-0A46
   0A49-0A4A
   0A4E-0A58
   0A5D
   0A5F-0A65
   0A75-0A80
   0A84
   0A8C

    assertFailsWith<IllegalArgumentException> {
      Request.Builder().addHeader("a\tb", "c")
    }.also { expected ->
      assertThat(expected.message).isEqualTo("Unexpected char 0x09 at 1 in header name: a\tb")
    }
  }

  @Test
  fun responseHeaderNameWithSpacePermitted() {
    server.enqueue(
      MockResponse.Builder()
        .clearHeaders()

   00D9; 00F9; Case map
   00DA; 00FA; Case map
   00DB; 00FB; Case map
   00DC; 00FC; Case map
   00DD; 00FD; Case map
   00DE; 00FE; Case map
   00DF; 0073 0073; Case map
   0100; 0101; Case map
   0102; 0103; Case map
   0104; 0105; Case map
   0106; 0107; Case map
   0108; 0109; Case map
   010A; 010B; Case map
   010C; 010D; Case map
   010E; 010F; Case map
   0110; 0111; Case map
   0112; 0113; Case map

      deflatedBytes.readAndWriteUnsafe().use { cursor ->
        cursor.resizeBuffer(newSize)
      }
    } else {
      // Same as adding EMPTY_DEFLATE_BLOCK and then removing 4 bytes.
      deflatedBytes.writeByte(0x00)
    }

    buffer.write(deflatedBytes, deflatedBytes.size)
  }

  @Throws(IOException::class)
  override fun close() = deflaterSink.close()

   0A72-0A74
   0A83
   0A85-0A8B
   0A8D
   0A8F-0A91
   0A93-0AA8
   0AAA-0AB0
   0AB2-0AB3
   0AB5-0AB9
   0ABD-0AC0
   0AC9
   0ACB-0ACC
   0AD0
   0AE0
   0AE6-0AEF
   0B02-0B03
   0B05-0B0C
   0B0F-0B10
   0B13-0B28
   0B2A-0B30
   0B32-0B33
   0B36-0B39
   0B3D-0B3E
   0B40
   0B47-0B48
   0B4B-0B4C
   0B57
   0B5C-0B5D
   0B5F-0B61
   0B66-0B70
   0B83

import okhttp3.OkHttpClient
import okhttp3.Request
import okhttp3.coroutines.executeAsync
import okhttp3.survey.types.SuiteId
import okio.ByteString.Companion.decodeHex
import okio.IOException

/** Example: "0x00,0x08",TLS_RSA_EXPORT_WITH_DES40_CBC_SHA,Y,N,[RFC4346] */
val IANA_CSV_PATTERN = "\"0x(\\w\\w),0x(\\w\\w)\",(\\w+).*".toRegex()

fun parseIanaCsvRow(s: String): SuiteId? {

0101          ; valid                                  # 1.1  LATIN SMALL LETTER A WITH MACRON
0102          ; mapped                 ; 0103          # 1.1  LATIN CAPITAL LETTER A WITH BREVE
0103          ; valid                                  # 1.1  LATIN SMALL LETTER A WITH BREVE
0104          ; mapped                 ; 0105          # 1.1  LATIN CAPITAL LETTER A WITH OGONEK