[331084] Missing break statement in HTMLDocumentAdapter can cause ClassCastException.
diff --git a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/htmlcss/HTMLDocumentAdapter.java b/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/htmlcss/HTMLDocumentAdapter.java
index 4447120..49eb7ff 100644
--- a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/htmlcss/HTMLDocumentAdapter.java
+++ b/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/internal/htmlcss/HTMLDocumentAdapter.java
@@ -301,6 +301,7 @@
 						}
 					}
 				}
+				break;
 			}
 			case Node.ATTRIBUTE_NODE : {
 				if (HTML40Namespace.ElementName.BASE.equals(((Attr) node).getOwnerElement().getLocalName())) {