diff --git a/src/main/java/org/yaml/snakeyaml/resolver/RagelMachine.rl b/src/main/java/org/yaml/snakeyaml/resolver/RagelMachine.rl
deleted file mode 100644
index 4bc839e..0000000
--- a/src/main/java/org/yaml/snakeyaml/resolver/RagelMachine.rl
+++ /dev/null
@@ -1,78 +0,0 @@
-package org.yaml.snakeyaml.resolver;
-//Source for Ragel 6.3
-
-/**
- * Generated by Ragel 6.3 (http://www.complang.org/ragel/)
- * @see <a href="http://www.complang.org/ragel/"></a>
- */
-public class RagelMachine {
-    %%{
-        machine snakeyaml;
-        action bool_tag { tag = "tag:yaml.org,2002:bool"; }
-        action merge_tag { tag = "tag:yaml.org,2002:merge"; }
-        action null_tag { tag = "tag:yaml.org,2002:null"; }
-        action value_tag { tag = "tag:yaml.org,2002:value"; }
-        action int_tag { tag = "tag:yaml.org,2002:int"; }
-        action float_tag { tag = "tag:yaml.org,2002:float"; }
-        action timestamp_tag { tag = "tag:yaml.org,2002:timestamp"; }
-        
-        Bool = ("yes" | "Yes" | "YES" | "no" | "No" | "NO" | 
-                "true" | "True" | "TRUE" | "false" | "False" | "FALSE" | 
-                "on" | "On" | "ON" | "off" | "Off" | "OFF") %/bool_tag;
-        Merge = "<<" %/merge_tag;
-        Value = "=" %/value_tag;
-        Null  = ("~" | "null" | "Null" | "NULL" | " ") %/null_tag;
-        
-        sign = "-" | "+";
-        digit2 = digit | "_";
-        binaryInt = "0b" [0-1_]+;
-        octalInt = "0" [0-7_]+;
-        decimalInt = "0" | [1-9]digit2* (":" [0-5]? digit)*;
-        hexaInt = "0x" [0-9a-fA-F_]+;
-        Int = sign? (binaryInt | octalInt | decimalInt | hexaInt) %/int_tag;
-        
-        exp = [eE] sign digit+;
-        Float = ((sign? ((digit+ digit2* "." digit2* exp?)
-        			 | ((digit+ digit2*)? "." digit+ digit2* exp?)
-                     | (digit+ (":" [0-5]? digit)+ "." digit*)
-                     | "." ("inf" | "Inf" | "INF"))) 
-                 | ("." ("nan" | "NaN" | "NAN"))) %/float_tag;
-              
-        TimestampShort = digit{4} ("-" digit{2}){2} %/timestamp_tag;
-        fract = "." digit*;
-        zone = [ \t]* ("Z" | (sign digit{1,2} ( ":" digit{2} )?));
-        Timestamp = digit{4} ("-" digit{1,2}){2} ([Tt] | [ \t]+) 
-        	digit{1,2} ":" digit{2} ":" digit{2} fract? zone? %/timestamp_tag;
-                 
-        Scalar = Bool | Null | Int | Float | TimestampShort | Merge | Value | Timestamp;
-        main := Scalar;
-        write data nofinal;
-    }%%
-    
-    public String scan(String scalar) {
-        if (scalar == null) {
-            throw new NullPointerException("Scalar must be provided.");
-        }
-        String tag = null;
-        int cs = 0;
-        int p = 0;
-        int pe = scalar.length();
-        int eof = pe;
-        char[] data;
-        if (pe == 0) {
-            // NULL value
-            data = new char[] { '~' };
-            pe = 1;
-            eof = 1;
-        } else {
-            data = scalar.toCharArray();
-        }
-        %%{
-            # Initialize and execute.
-            write init;
-            write exec;
-        }%%
-
-        return tag;
-    }
-}
\ No newline at end of file
diff --git a/src/test/java/org/yaml/snakeyaml/resolver/RagelMachine.java b/src/test/java/org/yaml/snakeyaml/resolver/RagelMachine.java
deleted file mode 100644
index 9495bec..0000000
--- a/src/test/java/org/yaml/snakeyaml/resolver/RagelMachine.java
+++ /dev/null
@@ -1,329 +0,0 @@
-/**
- * Copyright (c) 2008, http://www.snakeyaml.org
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-// line 1 "RagelMachine.rl"
-package org.yaml.snakeyaml.resolver;
-
-//Source for Ragel 6.3
-
-/**
- * Generated by Ragel 6.3 (http://www.complang.org/ragel/)
- * 
- * @see <a href="http://www.complang.org/ragel/"></a>
- */
-public class RagelMachine {
-
-    // line 15 "RagelMachine.java"
-    private static byte[] init__snakeyaml_actions_0() {
-        return new byte[] { 0, 1, 0, 1, 1, 1, 2, 1, 3, 1, 4, 1, 5, 1, 6 };
-    }
-
-    private static final byte _snakeyaml_actions[] = init__snakeyaml_actions_0();
-
-    private static short[] init__snakeyaml_key_offsets_0() {
-        return new short[] { 0, 0, 20, 24, 28, 30, 32, 34, 35, 36, 37, 42, 46, 50, 52, 56, 59, 66,
-                70, 74, 80, 82, 83, 84, 85, 87, 90, 92, 98, 102, 105, 106, 108, 110, 111, 113, 115,
-                120, 122, 124, 126, 130, 132, 133, 135, 141, 147, 152, 157, 158, 160, 161, 162,
-                163, 164, 165, 166, 170, 171, 172, 173, 174, 178, 179, 180, 182, 183, 184, 186,
-                187, 188, 189, 191, 193, 194, 195, 195, 200, 202, 202, 211, 218, 224, 227, 234,
-                239, 243, 245, 250, 253, 254, 263, 270, 277, 285, 291, 294, 295, 295, 302, 306,
-                311, 316, 321, 327, 327, 327 };
-    }
-
-    private static final short _snakeyaml_key_offsets[] = init__snakeyaml_key_offsets_0();
-
-    private static char[] init__snakeyaml_trans_keys_0() {
-        return new char[] { 32, 43, 45, 46, 48, 60, 61, 70, 78, 79, 84, 89, 102, 110, 111, 116,
-                121, 126, 49, 57, 46, 48, 49, 57, 73, 105, 48, 57, 43, 45, 48, 57, 78, 110, 70,
-                102, 110, 46, 58, 95, 48, 57, 48, 53, 54, 57, 46, 58, 48, 57, 46, 58, 46, 95, 48,
-                57, 95, 48, 49, 95, 48, 57, 65, 70, 97, 102, 48, 53, 54, 57, 48, 53, 54, 57, 73,
-                78, 105, 110, 48, 57, 65, 97, 78, 97, 110, 48, 57, 45, 48, 57, 48, 57, 9, 32, 84,
-                116, 48, 57, 9, 32, 48, 57, 58, 48, 57, 58, 48, 57, 48, 57, 58, 48, 57, 48, 57, 9,
-                32, 43, 45, 90, 48, 57, 48, 57, 48, 57, 9, 32, 84, 116, 48, 57, 45, 48, 57, 9, 32,
-                84, 116, 48, 57, 45, 46, 58, 95, 48, 57, 46, 58, 95, 48, 57, 46, 58, 95, 48, 57,
-                60, 65, 97, 76, 83, 69, 108, 115, 101, 79, 85, 111, 117, 76, 76, 108, 108, 70, 78,
-                102, 110, 70, 102, 82, 114, 85, 117, 69, 101, 83, 115, 97, 111, 117, 102, 110, 114,
-                101, 69, 95, 101, 48, 57, 48, 57, 46, 58, 95, 98, 120, 48, 55, 56, 57, 46, 58, 95,
-                48, 55, 56, 57, 46, 95, 48, 55, 56, 57, 95, 48, 49, 95, 48, 57, 65, 70, 97, 102,
-                46, 58, 95, 48, 57, 46, 58, 48, 57, 46, 58, 46, 58, 95, 48, 57, 58, 48, 57, 58, 46,
-                58, 95, 98, 120, 48, 55, 56, 57, 46, 58, 95, 48, 55, 56, 57, 46, 58, 95, 48, 55,
-                56, 57, 45, 46, 58, 95, 48, 55, 56, 57, 9, 32, 43, 45, 46, 90, 58, 48, 57, 58, 9,
-                32, 43, 45, 90, 48, 57, 9, 32, 84, 116, 46, 58, 95, 48, 57, 46, 58, 95, 48, 57, 46,
-                58, 95, 48, 57, 45, 46, 58, 95, 48, 57, 0 };
-    }
-
-    private static final char _snakeyaml_trans_keys[] = init__snakeyaml_trans_keys_0();
-
-    private static byte[] init__snakeyaml_single_lengths_0() {
-        return new byte[] { 0, 18, 2, 2, 2, 0, 2, 1, 1, 1, 3, 0, 2, 2, 2, 1, 1, 0, 0, 4, 2, 1, 1,
-                1, 0, 1, 0, 4, 2, 1, 1, 0, 0, 1, 0, 0, 5, 0, 0, 0, 4, 0, 1, 0, 4, 4, 3, 3, 1, 2, 1,
-                1, 1, 1, 1, 1, 4, 1, 1, 1, 1, 4, 1, 1, 2, 1, 1, 2, 1, 1, 1, 2, 2, 1, 1, 0, 3, 0, 0,
-                5, 3, 2, 1, 1, 3, 2, 2, 3, 1, 1, 5, 3, 3, 4, 6, 1, 1, 0, 5, 4, 3, 3, 3, 4, 0, 0, 0 };
-    }
-
-    private static final byte _snakeyaml_single_lengths[] = init__snakeyaml_single_lengths_0();
-
-    private static byte[] init__snakeyaml_range_lengths_0() {
-        return new byte[] { 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 1, 2, 1, 0, 1, 1, 3, 2, 2, 1, 0, 0, 0, 0,
-                1, 1, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0,
-                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 2,
-                2, 2, 1, 3, 1, 1, 0, 1, 1, 0, 2, 2, 2, 2, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 0, 0 };
-    }
-
-    private static final byte _snakeyaml_range_lengths[] = init__snakeyaml_range_lengths_0();
-
-    private static short[] init__snakeyaml_index_offsets_0() {
-        return new short[] { 0, 0, 20, 24, 28, 31, 33, 36, 38, 40, 42, 47, 50, 54, 57, 61, 64, 69,
-                72, 75, 81, 84, 86, 88, 90, 92, 95, 97, 103, 107, 110, 112, 114, 116, 118, 120,
-                122, 128, 130, 132, 134, 139, 141, 143, 145, 151, 157, 162, 167, 169, 172, 174,
-                176, 178, 180, 182, 184, 189, 191, 193, 195, 197, 202, 204, 206, 209, 211, 213,
-                216, 218, 220, 222, 225, 228, 230, 232, 233, 238, 240, 241, 249, 255, 260, 263,
-                268, 273, 277, 280, 285, 288, 290, 298, 304, 310, 317, 324, 327, 329, 330, 337,
-                342, 347, 352, 357, 363, 364, 365 };
-    }
-
-    private static final short _snakeyaml_index_offsets[] = init__snakeyaml_index_offsets_0();
-
-    private static byte[] init__snakeyaml_indicies_0() {
-        return new byte[] { 0, 2, 2, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 5, 1, 18,
-                19, 20, 1, 22, 23, 21, 1, 24, 24, 1, 25, 1, 26, 27, 1, 28, 1, 28, 1, 27, 1, 21, 30,
-                31, 29, 1, 32, 33, 1, 25, 30, 33, 1, 25, 30, 1, 21, 31, 31, 1, 34, 34, 1, 35, 35,
-                35, 35, 1, 36, 37, 1, 38, 39, 1, 22, 40, 23, 41, 21, 1, 42, 42, 1, 28, 1, 43, 1,
-                28, 1, 44, 1, 45, 46, 1, 47, 1, 48, 48, 50, 50, 49, 1, 48, 48, 51, 1, 53, 52, 1,
-                53, 1, 54, 1, 55, 1, 56, 1, 57, 1, 58, 1, 59, 59, 60, 60, 61, 1, 62, 1, 63, 1, 61,
-                1, 48, 48, 50, 50, 1, 51, 1, 64, 1, 65, 1, 48, 48, 50, 50, 66, 1, 67, 21, 30, 31,
-                29, 1, 21, 30, 31, 68, 1, 21, 30, 31, 69, 1, 70, 1, 71, 72, 1, 73, 1, 74, 1, 75, 1,
-                76, 1, 77, 1, 75, 1, 75, 78, 75, 79, 1, 80, 1, 0, 1, 81, 1, 0, 1, 82, 75, 83, 75,
-                1, 75, 1, 75, 1, 84, 85, 1, 74, 1, 77, 1, 86, 87, 1, 75, 1, 75, 1, 72, 1, 75, 79,
-                1, 83, 75, 1, 85, 1, 87, 1, 1, 88, 21, 88, 21, 1, 25, 1, 1, 21, 30, 90, 91, 92, 89,
-                29, 1, 21, 30, 90, 89, 29, 1, 21, 90, 90, 31, 1, 34, 34, 1, 35, 35, 35, 35, 1, 21,
-                93, 94, 20, 1, 25, 93, 37, 1, 25, 93, 1, 21, 95, 94, 94, 1, 95, 39, 1, 95, 1, 21,
-                30, 90, 91, 92, 96, 97, 1, 21, 30, 90, 98, 69, 1, 21, 30, 90, 99, 68, 1, 67, 21,
-                30, 90, 89, 29, 1, 59, 59, 60, 60, 100, 61, 1, 102, 101, 1, 102, 1, 1, 59, 59, 60,
-                60, 61, 100, 1, 48, 48, 50, 50, 1, 21, 93, 94, 103, 1, 21, 93, 94, 104, 1, 21, 93,
-                94, 105, 1, 67, 21, 93, 94, 20, 1, 1, 1, 1, 0 };
-    }
-
-    private static final byte _snakeyaml_indicies[] = init__snakeyaml_indicies_0();
-
-    private static byte[] init__snakeyaml_trans_targs_0() {
-        return new byte[] { 75, 0, 2, 19, 90, 100, 48, 105, 49, 56, 61, 64, 67, 70, 71, 72, 73, 74,
-                3, 79, 84, 76, 6, 9, 5, 77, 7, 8, 78, 10, 11, 14, 12, 13, 82, 83, 85, 86, 88, 89,
-                20, 22, 21, 23, 25, 26, 42, 27, 28, 40, 41, 29, 30, 31, 32, 33, 34, 35, 94, 36, 37,
-                97, 95, 39, 43, 44, 99, 24, 45, 46, 104, 50, 53, 51, 52, 106, 54, 55, 57, 59, 58,
-                60, 62, 63, 65, 66, 68, 69, 4, 80, 81, 15, 16, 17, 87, 18, 91, 47, 92, 93, 98, 96,
-                38, 101, 102, 103 };
-    }
-
-    private static final byte _snakeyaml_trans_targs[] = init__snakeyaml_trans_targs_0();
-
-    // private static byte[] init__snakeyaml_trans_actions_0() {
-    // return new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    // 0, 0, 0, 0, 0, 0,
-    // 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    // 0, 0, 0, 0,
-    // 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    // 0, 0, 0, 0,
-    // 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-    // 0, 0 };
-    // }
-
-    // private static final byte _snakeyaml_trans_actions[] =
-    // init__snakeyaml_trans_actions_0();
-
-    private static byte[] init__snakeyaml_eof_actions_0() {
-        return new byte[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-                0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 11, 11, 11,
-                9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 13, 13, 13, 13, 13, 13, 9, 9, 9, 9, 3,
-                7, 1 };
-    }
-
-    private static final byte _snakeyaml_eof_actions[] = init__snakeyaml_eof_actions_0();
-
-    static final int snakeyaml_start = 1;
-    static final int snakeyaml_error = 0;
-
-    static final int snakeyaml_en_main = 1;
-
-    // line 53 "RagelMachine.rl"
-
-    public String scan(String scalar) {
-        if (scalar == null) {
-            throw new NullPointerException("Scalar must be provided.");
-        }
-        String tag = null;
-        int cs = 0;
-        int p = 0;
-        int pe = scalar.length();
-        int eof = pe;
-        char[] data;
-        if (pe == 0) {
-            // NULL value
-            data = new char[] { '~' };
-            pe = 1;
-            eof = 1;
-        } else {
-            data = scalar.toCharArray();
-        }
-
-        // line 257 "RagelMachine.java"
-        {
-            cs = snakeyaml_start;
-        }
-
-        // line 262 "RagelMachine.java"
-        {
-            int _klen;
-            int _trans = 0;
-            int _keys;
-            int _goto_targ = 0;
-
-            _goto: while (true) {
-                switch (_goto_targ) {
-                case 0:
-                    if (p == pe) {
-                        _goto_targ = 4;
-                        continue _goto;
-                    }
-                    if (cs == 0) {
-                        _goto_targ = 5;
-                        continue _goto;
-                    }
-                case 1:
-                    _match: do {
-                        _keys = _snakeyaml_key_offsets[cs];
-                        _trans = _snakeyaml_index_offsets[cs];
-                        _klen = _snakeyaml_single_lengths[cs];
-                        if (_klen > 0) {
-                            int _lower = _keys;
-                            int _mid;
-                            int _upper = _keys + _klen - 1;
-                            while (true) {
-                                if (_upper < _lower)
-                                    break;
-
-                                _mid = _lower + ((_upper - _lower) >> 1);
-                                if (data[p] < _snakeyaml_trans_keys[_mid])
-                                    _upper = _mid - 1;
-                                else if (data[p] > _snakeyaml_trans_keys[_mid])
-                                    _lower = _mid + 1;
-                                else {
-                                    _trans += (_mid - _keys);
-                                    break _match;
-                                }
-                            }
-                            _keys += _klen;
-                            _trans += _klen;
-                        }
-
-                        _klen = _snakeyaml_range_lengths[cs];
-                        if (_klen > 0) {
-                            int _lower = _keys;
-                            int _mid;
-                            int _upper = _keys + (_klen << 1) - 2;
-                            while (true) {
-                                if (_upper < _lower)
-                                    break;
-
-                                _mid = _lower + (((_upper - _lower) >> 1) & ~1);
-                                if (data[p] < _snakeyaml_trans_keys[_mid])
-                                    _upper = _mid - 2;
-                                else if (data[p] > _snakeyaml_trans_keys[_mid + 1])
-                                    _lower = _mid + 2;
-                                else {
-                                    _trans += ((_mid - _keys) >> 1);
-                                    break _match;
-                                }
-                            }
-                            _trans += _klen;
-                        }
-                    } while (false);
-
-                    _trans = _snakeyaml_indicies[_trans];
-                    cs = _snakeyaml_trans_targs[_trans];
-
-                case 2:
-                    if (cs == 0) {
-                        _goto_targ = 5;
-                        continue _goto;
-                    }
-                    if (++p != pe) {
-                        _goto_targ = 1;
-                        continue _goto;
-                    }
-                case 4:
-                    if (p == eof) {
-                        int __acts = _snakeyaml_eof_actions[cs];
-                        int __nacts = (int) _snakeyaml_actions[__acts++];
-                        while (__nacts-- > 0) {
-                            switch (_snakeyaml_actions[__acts++]) {
-                            case 0:
-                            // line 14 "RagelMachine.rl"
-                            {
-                                tag = "tag:yaml.org,2002:bool";
-                            }
-                                break;
-                            case 1:
-                            // line 15 "RagelMachine.rl"
-                            {
-                                tag = "tag:yaml.org,2002:merge";
-                            }
-                                break;
-                            case 2:
-                            // line 16 "RagelMachine.rl"
-                            {
-                                tag = "tag:yaml.org,2002:null";
-                            }
-                                break;
-                            case 3:
-                            // line 17 "RagelMachine.rl"
-                            {
-                                tag = "tag:yaml.org,2002:value";
-                            }
-                                break;
-                            case 4:
-                            // line 18 "RagelMachine.rl"
-                            {
-                                tag = "tag:yaml.org,2002:int";
-                            }
-                                break;
-                            case 5:
-                            // line 19 "RagelMachine.rl"
-                            {
-                                tag = "tag:yaml.org,2002:float";
-                            }
-                                break;
-                            case 6:
-                            // line 20 "RagelMachine.rl"
-                            {
-                                tag = "tag:yaml.org,2002:timestamp";
-                            }
-                                break;
-                            // line 377 "RagelMachine.java"
-                            }
-                        }
-                    }
-
-                case 5:
-                }
-                break;
-            }
-        }
-        // line 77 "RagelMachine.rl"
-
-        return tag;
-    }
-}
\ No newline at end of file
diff --git a/src/test/java/org/yaml/snakeyaml/resolver/RagelMachineTest.java b/src/test/java/org/yaml/snakeyaml/resolver/RagelMachineTest.java
deleted file mode 100644
index f7adc41..0000000
--- a/src/test/java/org/yaml/snakeyaml/resolver/RagelMachineTest.java
+++ /dev/null
@@ -1,119 +0,0 @@
-/**
- * Copyright (c) 2008, http://www.snakeyaml.org
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.yaml.snakeyaml.resolver;
-
-import junit.framework.TestCase;
-
-public class RagelMachineTest extends TestCase {
-    private RagelMachine machine = new RagelMachine();
-
-    public void testScan() {
-        assertNull(machine.scan("abc"));
-    }
-
-    public void testNullPointerException() {
-        try {
-            machine.scan(null);
-            fail("null must not be accepted.");
-        } catch (NullPointerException e) {
-            assertEquals("Scalar must be provided.", e.getMessage());
-        }
-    }
-
-    public void testScanBoolean() {
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("true"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("True"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("TRUE"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("false"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("False"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("FALSE"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("on"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("ON"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("On"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("off"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("Off"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("OFF"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("on"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("ON"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("On"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("off"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("Off"));
-        assertEquals("tag:yaml.org,2002:bool", machine.scan("OFF"));
-    }
-
-    public void testScanNull() {
-        assertEquals("tag:yaml.org,2002:null", machine.scan("null"));
-        assertEquals("tag:yaml.org,2002:null", machine.scan("Null"));
-        assertEquals("tag:yaml.org,2002:null", machine.scan("NULL"));
-        assertEquals("tag:yaml.org,2002:null", machine.scan("~"));
-        assertEquals("tag:yaml.org,2002:null", machine.scan(" "));
-        assertEquals("tag:yaml.org,2002:null", machine.scan(""));
-    }
-
-    public void testScanMerge() {
-        assertEquals("tag:yaml.org,2002:merge", machine.scan("<<"));
-    }
-
-    public void testScanValue() {
-        assertEquals("tag:yaml.org,2002:value", machine.scan("="));
-    }
-
-    public void testScanInt() {
-        assertEquals("tag:yaml.org,2002:int", machine.scan("0"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("1"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("-0"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("-9"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("0b0011"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("0x12ef"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("0123"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("1_000"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("1_000_000"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("+0"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("+10"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("1__000"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("24:12:34"));
-        assertEquals("tag:yaml.org,2002:int", machine.scan("240:12:34"));
-    }
-
-    public void testScanFloat() {
-        assertEquals("tag:yaml.org,2002:float", machine.scan("1.0"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("-0.0"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("+2.2310"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("1.0e+12"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("1.345e-3"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("190:20:30.15"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("-.inf"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("+.INF"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan(".Inf"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan(".nan"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan(".NaN"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan(".NAN"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("1_000.5"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("1.023_456"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("-1_123.45"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan(".5"));
-        assertEquals("tag:yaml.org,2002:float", machine.scan("1.E+1"));
-        assertNull(machine.scan("0x1,1"), machine.scan("0x1,1"));
-    }
-
-    public void testScanTimestamp() {
-        assertEquals("tag:yaml.org,2002:timestamp", machine.scan("2009-02-28"));
-        assertEquals("tag:yaml.org,2002:timestamp", machine.scan("2001-12-15T02:59:43.1Z"));
-        assertEquals("tag:yaml.org,2002:timestamp", machine.scan("2001-12-14t21:59:43.10-05:00"));
-        assertEquals("tag:yaml.org,2002:timestamp", machine.scan("2001-12-14 21:59:43.10 -5"));
-        assertEquals("tag:yaml.org,2002:timestamp", machine.scan("2001-12-15 2:59:43.10"));
-    }
-}