Avoid dynamic property creation

lib/Parser/AttributeSetter.php

@@ -9,6 +9,8 @@ namespace MensBeam\HTML\Parser;
 use MensBeam\HTML\Parser;
 
 trait AttributeSetter {
+    protected $mangledAttributes = false;
+
     public function elementSetAttribute(\DOMElement $element, ?string $namespaceURI, string $qualifiedName, string $value): void {
         if ($namespaceURI === Parser::XMLNS_NAMESPACE) {
             // NOTE: We create attribute nodes so that xmlns attributes

lib/Parser/Tokenizer.php

@@ -2873,7 +2873,7 @@ class Tokenizer {
                     # Set the DOCTYPE token's system identifier to the empty string (not missing),
                     #   then switch to the DOCTYPE system identifier (double-quoted) state.
                     $this->error(ParseError::MISSING_WHITESPACE_BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS);
-                    $this->system = '';
+                    $token->system = '';
                     $this->state = self::DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE;
                 }
                 # "'" (U+0027)
@@ -2882,7 +2882,7 @@ class Tokenizer {
                     # Set the DOCTYPE token's system identifier to the empty string (not missing),
                     #   then switch to the DOCTYPE system identifier (single-quoted) state.
                     $this->error(ParseError::MISSING_WHITESPACE_BETWEEN_DOCTYPE_PUBLIC_AND_SYSTEM_IDENTIFIERS);
-                    $this->system = '';
+                    $token->system = '';
                     $this->state = self::DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE;
                 }
                 # EOF
@@ -2932,7 +2932,7 @@ class Tokenizer {
                     # Set the DOCTYPE token's system identifier to the
                     #   empty string (not missing), then switch to the
                     #   DOCTYPE system identifier (double-quoted) state.
-                    $this->system = '';
+                    $token->system = '';
                     $this->state = self::DOCTYPE_SYSTEM_IDENTIFIER_DOUBLE_QUOTED_STATE;
                 }
                 # "'" (U+0027)
@@ -2940,7 +2940,7 @@ class Tokenizer {
                     # Set the DOCTYPE token's system identifier to the
                     #   empty string (not missing), then switch to the
                     #   DOCTYPE system identifier (single-quoted) state.
-                    $this->system = '';
+                    $token->system = '';
                     $this->state = self::DOCTYPE_SYSTEM_IDENTIFIER_SINGLE_QUOTED_STATE;
                 }
                 # EOF

lib/Parser/TreeConstructor.php

@@ -35,7 +35,9 @@ class TreeConstructor {
     protected $stack;
     /** @var \MensBeam\HTML\Parser\Data Instance of the Data class used for reading the input character-stream */
     protected $data;
-    /** @var \Generator Instance of the Tokenizer class used for creating tokens */
+    /** @var \Generator The output of the tokenizer */
+    protected $tokenList;
+    /** @var \MensBeam\HTML\Parser\Tokenizer Instance of the Tokenizer class used for creating tokens */
     protected $tokenizer;
     /** @var \MensBeam\HTML\Parser\TemplateInsertionModesStack Used to store the template insertion modes */
     protected $templateInsertionModes;
@@ -3709,6 +3711,7 @@ class TreeConstructor {
         #   is lower in the stack than formatting element, and is an element in the
         #   special category. There might not be one.
         $furthestBlock = null;
+        $furthestBlockIndex = null;
         for ($k = ($stackIndex + 1); $k < count($this->stack); $k++) {
             if ($this->isElementSpecial($this->stack[$k])) {
                 $furthestBlockIndex = $k;