MOVL	ptr+0(FP), AX
	TESTL	$7, AX
	JZ	2(PC)
	MOVL	0, AX // crash with nil ptr deref
	LEAL	ret_lo+4(FP), BX
	// MOVQ (%EAX), %MM0
	BYTE $0x0f; BYTE $0x6f; BYTE $0x00
	// MOVQ %MM0, 0(%EBX)
	BYTE $0x0f; BYTE $0x7f; BYTE $0x03
	// EMMS
	BYTE $0x0F; BYTE $0x77
	RET

        // T = 0x54 -> upper nibble: 0x5 -> 0x46 (F), lower nibble: 0x4 -> 0x45 (E)
        assertEquals('F', dst[1]); // (0x54 >> 4) + 0x41 = 0x46 = 'F'
        assertEquals('E', dst[2]); // (0x54 & 0x0F) + 0x41 = 0x45 = 'E'

        // Check padding (positions 8-30 should be 'CA' pairs for spaces)
        for (int i = 8; i < 31; i += 2) {
            assertEquals('C', dst[i + 1]);

        assertTrue(result.contains("Valid XML text 123"));
    }

    public void test_stripInvalidXMLCharacters_withInvalidChars() {
        // Test with invalid control characters (0x1-0x8, 0xB, 0xC, 0xE-0x1F)
        String input = "Test\u0001\u0002\u0008Valid\u000B\u000C\u000EText";
        String result = XmlUtil.stripInvalidXMLCharacters(input);
        assertEquals("TestValidText", result);
    }

    /**
     * UTF-7 Byte Order Mark definition.
     */
    protected static final ByteOrderMark BOM_UTF_7 = new ByteOrderMark("UTF-7", 0x2B, 0x2F, 0x76);

    /**
     * HTML4 unescape translator.
     */
    protected static final CharSequenceTranslator UNESCAPE_HTML4 = new AggregateTranslator(

 * @since 15.0
 */
@GwtCompatible
public class XmlEscapers {
  private XmlEscapers() {}

  private static final char MIN_ASCII_CONTROL_CHAR = 0x00;
  private static final char MAX_ASCII_CONTROL_CHAR = 0x1F;

  // For each xxxEscaper() method, please add links to external reference pages
  // that are considered authoritative for the behavior of that escaper.

  /**

    // Confirm the data strings are ASCII.
    for (dataString in listOf<String>(compactTable.sections, compactTable.ranges)) {
      for (codePoint in dataString.codePoints()) {
        assertThat(codePoint and 0x7f).isEqualTo(codePoint)
      }
    }

    // Confirm the sections are increasing.
    val rangesIndices = mutableListOf<Int>()
    val rangesOffsets = mutableListOf<Int>()

        lookupSids = new MsrpcLookupSids(mockPolicyHandle, testSids);

        // Act
        int opnum = lookupSids.getOpnum();

        // Assert
        assertEquals(0x0f, opnum);
    }

    @Test
    void constructor_shouldPreservePolicyHandleReference() throws Exception {
        // Arrange
        jcifs.SID mockSid = mock(jcifs.SID.class);

        val codepointDelta = (b1 and 0xF shl 14) or (b2 shl 7) or b3
        sink.writeUtf8CodePoint(codePoint - codepointDelta)
      }
      in 80..95 -> {
        // Mapped inline as codePoint delta to add
        val b2 = ranges[rangesIndex + 2].code
        val b3 = ranges[rangesIndex + 3].code

        val codepointDelta = (b1 and 0xF shl 14) or (b2 shl 7) or b3

      encodings[ 0x1c] = encoding // File Separator
      encodings[ 0x1d] = encoding // Group Separator
      encodings[ 0x1e] = encoding // Record Separator
      encodings[ 0x1f] = encoding // Unit Separator
      encodings[ 0x7f] = encoding // Delete
    }

  fun nonAscii(encoding: Encoding) =
    apply {
      encodings[UNICODE_2] = encoding
      encodings[UNICODE_3] = encoding

	{"$masks<>(SB)", "$masks<>(SB)"},
	{"$setg_gcc<>(SB)", "$setg_gcc<>(SB)"},
	{"$shifts<>(SB)", "$shifts<>(SB)"},
	{"$~(1<<63)", "$9223372036854775807"},
	{"$~0x3F", "$-64"},
	{"$~15", "$-16"},
	{"(((8)&0xf)*4)(SP)", "32(SP)"},
	{"(((8-14)&0xf)*4)(SP)", "40(SP)"},
	{"(6+8)(AX)", "14(AX)"},
	{"(8*4)(BP)", "32(BP)"},
	{"(AX)", "(AX)"},
	{"(AX)(CX*8)", "(AX)(CX*8)"},
	{"(BP)(CX*4)", "(BP)(CX*4)"},