From ada13ddebd80d135f41be2a7d517ef57004b3356 Mon Sep 17 00:00:00 2001
From: Jeff Shillitto <jeff@shillitto.com>
Date: Tue, 13 Aug 2019 22:17:49 +1000
Subject: [PATCH] Disable undo/redo stack

---
 src/QtHtmlReader.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/QtHtmlReader.cpp b/src/QtHtmlReader.cpp
index d73554cb..0d71c658 100644
--- a/src/QtHtmlReader.cpp
+++ b/src/QtHtmlReader.cpp
@@ -76,6 +76,11 @@ void QtHtmlReader::Open()
 
 		//draw text
 		QTextDocument text_document;
+
+		//disable redo/undo stack as not needed
+		text_document.setUndoRedoEnabled(false);
+
+		//create the HTML/CSS document
 		text_document.setTextWidth(width);
 		text_document.setDefaultStyleSheet(css.c_str());
 		text_document.setHtml(html.c_str());