diff --git a/composer.lock b/composer.lock
index ed2175c..2ee37f2 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,223 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
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-    "packages": [],
+    "content-hash": "1077b4324237a83eab2f418e6eb3f2d4",
+    "packages": [
+        {
+            "name": "mensbeam/html-parser",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://code.mensbeam.com/MensBeam/HTML-Parser",
+                "reference": "49764a456743ac69074b4f64619cf87af254c071"
+            },
+            "require": {
+                "ext-dom": "*",
+                "mensbeam/intl": ">=0.9.0",
+                "mensbeam/mimesniff": "^0.2.0",
+                "php": ">=7.1"
+            },
+            "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.3",
+                "masterminds/html5": "^2.7"
+            },
+            "suggest": {
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+            },
+            "default-branch": true,
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "MensBeam\\HTML\\": [
+                        "lib/"
+                    ]
+                },
+                "classmap": [
+                    "lib/Parser/Token.php"
+                ],
+                "files": [
+                    "lib/Parser/ctype.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
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+                    "email": "dustin@dustinwilson.com",
+                    "homepage": "https://dustinwilson.com/"
+                },
+                {
+                    "name": "J. King",
+                    "email": "jking@jkingweb.ca",
+                    "homepage": "https://jkingweb.ca/"
+                }
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+            "description": "Parses modern HTML text into a PHP DOMDocument",
+            "time": "2021-09-28T20:15:07+00:00"
+        },
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+            "name": "mensbeam/intl",
+            "version": "0.9.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/mensbeam/intl.git",
+                "reference": "de037b182ce99aaa90ebc09b0ee0457ddf1d07bc"
+            },
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+                "url": "https://api.github.com/repos/mensbeam/intl/zipball/de037b182ce99aaa90ebc09b0ee0457ddf1d07bc",
+                "reference": "de037b182ce99aaa90ebc09b0ee0457ddf1d07bc",
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+            },
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+            "autoload": {
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+                    "MensBeam\\Intl\\": "lib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "J. King",
+                    "email": "jking@jkingweb.ca",
+                    "homepage": "https://jkingweb.ca/"
+                }
+            ],
+            "description": "A set of dependency-free basic internationalization tools",
+            "keywords": [
+                "WHATWG",
+                "charset",
+                "encoding",
+                "internationalization",
+                "intl",
+                "unicode",
+                "utf-8",
+                "utf8"
+            ],
+            "support": {
+                "issues": "https://github.com/mensbeam/intl/issues",
+                "source": "https://github.com/mensbeam/intl/tree/0.9.0"
+            },
+            "time": "2021-03-25T19:08:04+00:00"
+        },
+        {
+            "name": "mensbeam/mimesniff",
+            "version": "0.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/mensbeam/mime.git",
+                "reference": "c19be2496ab1e27fbf9c3483c2a9faa2781796cd"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/mensbeam/mime/zipball/c19be2496ab1e27fbf9c3483c2a9faa2781796cd",
+                "reference": "c19be2496ab1e27fbf9c3483c2a9faa2781796cd",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=7.1",
+                "psr/http-message": "^1.0"
+            },
+            "require-dev": {
+                "bamarni/composer-bin-plugin": "^1.3",
+                "ext-intl": "*"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-4": {
+                    "MensBeam\\Mime\\": "lib/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "J. King",
+                    "email": "jking@jkingweb.ca",
+                    "homepage": "https://jkingweb.ca/"
+                }
+            ],
+            "description": "An implementation of the WHATWG MIME Sniffing specification",
+            "keywords": [
+                "WHATWG",
+                "mime",
+                "mimesniff"
+            ],
+            "support": {
+                "issues": "https://github.com/mensbeam/mime/issues",
+                "source": "https://github.com/mensbeam/mime/tree/0.2.1"
+            },
+            "time": "2021-03-07T03:58:00+00:00"
+        },
+        {
+            "name": "psr/http-message",
+            "version": "1.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/php-fig/http-message.git",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/php-fig/http-message/zipball/f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.0"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Psr\\Http\\Message\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "PHP-FIG",
+                    "homepage": "http://www.php-fig.org/"
+                }
+            ],
+            "description": "Common interface for HTTP messages",
+            "homepage": "https://github.com/php-fig/http-message",
+            "keywords": [
+                "http",
+                "http-message",
+                "psr",
+                "psr-7",
+                "request",
+                "response"
+            ],
+            "support": {
+                "source": "https://github.com/php-fig/http-message/tree/master"
+            },
+            "time": "2016-08-06T14:39:51+00:00"
+        }
+    ],
     "packages-dev": [
         {
             "name": "bamarni/composer-bin-plugin",
@@ -534,167 +749,6 @@
             },
             "time": "2020-12-25T05:00:37+00:00"
         },
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-            "name": "mensbeam/html-parser",
-            "version": "dev-master",
-            "source": {
-                "type": "git",
-                "url": "https://code.mensbeam.com/MensBeam/HTML-Parser",
-                "reference": "8115ac07d55b96d866da996f6329f6287f09bc49"
-            },
-            "require": {
-                "ext-dom": "*",
-                "mensbeam/intl": ">=0.9.0",
-                "mensbeam/mimesniff": "^0.2.0",
-                "php": ">=7.1"
-            },
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-                "ext-ctype": "Improved performance"
-            },
-            "default-branch": true,
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "MensBeam\\HTML\\": [
-                        "lib/"
-                    ]
-                },
-                "classmap": [
-                    "lib/Parser/Token.php"
-                ],
-                "files": [
-                    "lib/Parser/ctype.php"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
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-                    "name": "Dustin Wilson",
-                    "email": "dustin@dustinwilson.com",
-                    "homepage": "https://dustinwilson.com/"
-                },
-                {
-                    "name": "J. King",
-                    "email": "jking@jkingweb.ca",
-                    "homepage": "https://jkingweb.ca/"
-                }
-            ],
-            "description": "Parses modern HTML text into a PHP DOMDocument",
-            "time": "2021-09-26T20:09:27+00:00"
-        },
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-            "version": "0.9.0",
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-                "url": "https://github.com/mensbeam/intl.git",
-                "reference": "de037b182ce99aaa90ebc09b0ee0457ddf1d07bc"
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-            "autoload": {
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-                    "MensBeam\\Intl\\": "lib/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "J. King",
-                    "email": "jking@jkingweb.ca",
-                    "homepage": "https://jkingweb.ca/"
-                }
-            ],
-            "description": "A set of dependency-free basic internationalization tools",
-            "keywords": [
-                "WHATWG",
-                "charset",
-                "encoding",
-                "internationalization",
-                "intl",
-                "unicode",
-                "utf-8",
-                "utf8"
-            ],
-            "support": {
-                "issues": "https://github.com/mensbeam/intl/issues",
-                "source": "https://github.com/mensbeam/intl/tree/0.9.0"
-            },
-            "time": "2021-03-25T19:08:04+00:00"
-        },
-        {
-            "name": "mensbeam/mimesniff",
-            "version": "0.2.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/mensbeam/mime.git",
-                "reference": "c19be2496ab1e27fbf9c3483c2a9faa2781796cd"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/mensbeam/mime/zipball/c19be2496ab1e27fbf9c3483c2a9faa2781796cd",
-                "reference": "c19be2496ab1e27fbf9c3483c2a9faa2781796cd",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=7.1",
-                "psr/http-message": "^1.0"
-            },
-            "require-dev": {
-                "bamarni/composer-bin-plugin": "^1.3",
-                "ext-intl": "*"
-            },
-            "type": "library",
-            "autoload": {
-                "psr-4": {
-                    "MensBeam\\Mime\\": "lib/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "J. King",
-                    "email": "jking@jkingweb.ca",
-                    "homepage": "https://jkingweb.ca/"
-                }
-            ],
-            "description": "An implementation of the WHATWG MIME Sniffing specification",
-            "keywords": [
-                "WHATWG",
-                "mime",
-                "mimesniff"
-            ],
-            "support": {
-                "issues": "https://github.com/mensbeam/mime/issues",
-                "source": "https://github.com/mensbeam/mime/tree/0.2.1"
-            },
-            "time": "2021-03-07T03:58:00+00:00"
-        },
         {
             "name": "psr/container",
             "version": "1.1.1",
@@ -850,59 +904,6 @@
             },
             "time": "2019-04-30T12:38:16+00:00"
         },
-        {
-            "name": "psr/http-message",
-            "version": "1.0.1",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/php-fig/http-message.git",
-                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/php-fig/http-message/zipball/f6561bf28d520154e4b0ec72be95418abe6d9363",
-                "reference": "f6561bf28d520154e4b0ec72be95418abe6d9363",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.0"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "psr-4": {
-                    "Psr\\Http\\Message\\": "src/"
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "PHP-FIG",
-                    "homepage": "http://www.php-fig.org/"
-                }
-            ],
-            "description": "Common interface for HTTP messages",
-            "homepage": "https://github.com/php-fig/http-message",
-            "keywords": [
-                "http",
-                "http-message",
-                "psr",
-                "psr-7",
-                "request",
-                "response"
-            ],
-            "support": {
-                "source": "https://github.com/php-fig/http-message/tree/master"
-            },
-            "time": "2016-08-06T14:39:51+00:00"
-        },
         {
             "name": "ralouphie/getallheaders",
             "version": "3.0.3",
@@ -1264,16 +1265,16 @@
         },
         {
             "name": "symfony/mime",
-            "version": "v5.3.7",
+            "version": "v5.3.8",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/mime.git",
-                "reference": "ae887cb3b044658676129f5e97aeb7e9eb69c2d8"
+                "reference": "a756033d0a7e53db389618653ae991eba5a19a11"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/mime/zipball/ae887cb3b044658676129f5e97aeb7e9eb69c2d8",
-                "reference": "ae887cb3b044658676129f5e97aeb7e9eb69c2d8",
+                "url": "https://api.github.com/repos/symfony/mime/zipball/a756033d0a7e53db389618653ae991eba5a19a11",
+                "reference": "a756033d0a7e53db389618653ae991eba5a19a11",
                 "shasum": ""
             },
             "require": {
@@ -1327,7 +1328,7 @@
                 "mime-type"
             ],
             "support": {
-                "source": "https://github.com/symfony/mime/tree/v5.3.7"
+                "source": "https://github.com/symfony/mime/tree/v5.3.8"
             },
             "funding": [
                 {
@@ -1343,7 +1344,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2021-08-20T11:40:01+00:00"
+            "time": "2021-09-10T12:30:38+00:00"
         },
         {
             "name": "symfony/polyfill-ctype",
diff --git a/lib/Document.php b/lib/Document.php
index e9c8551..5cc22e7 100644
--- a/lib/Document.php
+++ b/lib/Document.php
@@ -121,7 +121,7 @@ class Document extends AbstractDocument {
     }
 
 
-    public function __construct($source = null, ?string $encoding = null, int $quirksMode = 0) {
+    public function __construct($source = null, ?string $encoding = null) {
         // Because we cannot have union types until php 8... :)
         if ($source !== null && !$source instanceof \DOMDocument && !is_string($source)) {
             $type = gettype($source);
@@ -144,7 +144,7 @@ class Document extends AbstractDocument {
             if (is_string($source)) {
                 $this->loadHTML($source, null, $encoding);
             } else {
-                $this->loadDOM($source, $encoding, $quirksMode);
+                $this->loadDOM($source, $encoding);
             }
         }
     }
diff --git a/tests/phpunit.dist.xml b/tests/phpunit.dist.xml
index c1324e7..c1c5702 100644
--- a/tests/phpunit.dist.xml
+++ b/tests/phpunit.dist.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0"?>
 <phpunit
-    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
     colors="true"
     bootstrap="bootstrap.php"
@@ -16,7 +16,7 @@
   </coverage>
   <testsuites>
     <testsuite name="DOM">
-      <file>cases/TestDOM.php</file>
+      <file>cases/TestDocument.php</file>
     </testsuite>
     <testsuite name="Serializer">
       <file>cases/TestSerializer.php</file>
diff --git a/tests/phpunit.dist.xml.bak b/tests/phpunit.dist.xml.bak
deleted file mode 100644
index 9672f19..0000000
--- a/tests/phpunit.dist.xml.bak
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0"?>
-<phpunit
-    colors="true"
-    bootstrap="bootstrap.php"
-    convertErrorsToExceptions="false"
-    convertNoticesToExceptions="false"
-    convertWarningsToExceptions="false"
-    beStrictAboutTestsThatDoNotTestAnything="true"
-    forceCoversAnnotation="true"
->
-
-<filter>
-    <whitelist processUncoveredFilesFromWhitelist="true">
-        <directory suffix=".php">../lib</directory>
-    </whitelist>
-</filter>
-
-<testsuites>
-    <testsuite name="DOM">
-        <file>cases/TestDOM.php</file>
-    </testsuite>
-    <testsuite name="Serializer">
-        <file>cases/TestSerializer.php</file>
-    </testsuite>
-</testsuites>
-</phpunit>
diff --git a/vendor-bin/robo/composer.lock b/vendor-bin/robo/composer.lock
index db5fc86..d3af439 100644
--- a/vendor-bin/robo/composer.lock
+++ b/vendor-bin/robo/composer.lock
@@ -8,16 +8,16 @@
     "packages": [
         {
             "name": "consolidation/annotated-command",
-            "version": "4.3.2",
+            "version": "4.4.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/consolidation/annotated-command.git",
-                "reference": "101c7dd0388259cfbba41b705b9255d2b1976bbf"
+                "reference": "308f6ac178566a1ce9aa90ed908dac90a2c1e707"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/consolidation/annotated-command/zipball/101c7dd0388259cfbba41b705b9255d2b1976bbf",
-                "reference": "101c7dd0388259cfbba41b705b9255d2b1976bbf",
+                "url": "https://api.github.com/repos/consolidation/annotated-command/zipball/308f6ac178566a1ce9aa90ed908dac90a2c1e707",
+                "reference": "308f6ac178566a1ce9aa90ed908dac90a2c1e707",
                 "shasum": ""
             },
             "require": {
@@ -57,9 +57,9 @@
             "description": "Initialize Symfony Console commands from annotated command class methods.",
             "support": {
                 "issues": "https://github.com/consolidation/annotated-command/issues",
-                "source": "https://github.com/consolidation/annotated-command/tree/4.3.2"
+                "source": "https://github.com/consolidation/annotated-command/tree/4.4.0"
             },
-            "time": "2021-09-19T14:35:36+00:00"
+            "time": "2021-09-30T01:08:15+00:00"
         },
         {
             "name": "consolidation/config",