From b4b5d4ad6f90b3c9fd03a90e2ed5267929979a11 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Felix=20B=C3=B6hm?= <188768+fb55@users.noreply.github.com>
Date: Tue, 9 Nov 2021 14:06:06 +0000
Subject: [PATCH] fix: Do namespace check for every numbered header / table
 cell

The parenthesis led to only the last element being checked.
---
 packages/parse5/lib/parser/open-element-stack.js | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/packages/parse5/lib/parser/open-element-stack.js b/packages/parse5/lib/parser/open-element-stack.js
index 1cec6fc8a..6b65e4cff 100644
--- a/packages/parse5/lib/parser/open-element-stack.js
+++ b/packages/parse5/lib/parser/open-element-stack.js
@@ -148,12 +148,8 @@ export class OpenElementStack {
             this.pop();
 
             if (
-                tn === $.H1 ||
-                tn === $.H2 ||
-                tn === $.H3 ||
-                tn === $.H4 ||
-                tn === $.H5 ||
-                (tn === $.H6 && ns === NS.HTML)
+                (tn === $.H1 || tn === $.H2 || tn === $.H3 || tn === $.H4 || tn === $.H5 || tn === $.H6) &&
+                ns === NS.HTML
             ) {
                 break;
             }
@@ -167,7 +163,7 @@ export class OpenElementStack {
 
             this.pop();
 
-            if (tn === $.TD || (tn === $.TH && ns === NS.HTML)) {
+            if ((tn === $.TD || tn === $.TH) && ns === NS.HTML) {
                 break;
             }
         }