--- qtwebengine/src/3rdparty/chromium/third_party/blink/renderer/core/editing/commands/insert_paragraph_separator_command.cc.orig	2019-12-01 12:08:41.000000000 -0500
+++ qtwebengine/src/3rdparty/chromium/third_party/blink/renderer/core/editing/commands/insert_paragraph_separator_command.cc	2019-12-01 12:10:28.000000000 -0500
@@ -115,7 +115,8 @@
       original_enclosing_block->HasTagName(h2Tag) ||
       original_enclosing_block->HasTagName(h3Tag) ||
       original_enclosing_block->HasTagName(h4Tag) ||
-      original_enclosing_block->HasTagName(h5Tag)) {
+      original_enclosing_block->HasTagName(h5Tag) ||
+      original_enclosing_block->HasTagName(h6Tag)) {
     return;
   }
 
@@ -142,7 +143,8 @@
          enclosing_block->HasTagName(h2Tag) ||
          enclosing_block->HasTagName(h3Tag) ||
          enclosing_block->HasTagName(h4Tag) ||
-         enclosing_block->HasTagName(h5Tag);
+         enclosing_block->HasTagName(h5Tag) ||
+         enclosing_block->HasTagName(h6Tag);
 }
 
 void InsertParagraphSeparatorCommand::GetAncestorsInsideBlock(