1 files changed, 3 insertions, 3 deletions
diff --git a/src/HTML5/Parser/Tokenizer.php b/src/HTML5/Parser/Tokenizer.php
index 9866246..df77b5d 100644
--- a/src/HTML5/Parser/Tokenizer.php
+++ b/src/HTML5/Parser/Tokenizer.php
@@ -295,7 +295,7 @@ class Tokenizer {
       return $this->bogusComment('</');
     }
 
-    $name = $this->scanner->charsUntil("\n\f \t>");
+    $name = strtolower($this->scanner->charsUntil("\n\f \t>"));
     // Trash whitespace.
     $this->scanner->whitespace();
 
@@ -475,7 +475,7 @@ class Tokenizer {
    *   The attribute value.
    */
   protected function quotedAttributeValue($quote) {
-    $stoplist = "\t\n\f" . $quote;
+    $stoplist = "\f" . $quote;
     $val = '';
     $tok = $this->scanner->current();
     while (strspn($tok, $stoplist) == 0 && $tok !== FALSE) {
@@ -846,7 +846,7 @@ class Tokenizer {
       $buffer .= $this->scanner->charsUntil($first);
 
       // Stop as soon as we hit the stopping condition.
-      if ($this->sequenceMatches($sequence)) {
+      if ($this->sequenceMatches($sequence) || $this->sequenceMatches(strtoupper($sequence))) {
         return $buffer;
       }
       $buffer .= $this->scanner->current();