Index: src/DeltaShell/DeltaShell.Plugins.CommonTools.Gui/Forms/TextDocumentView.cs
===================================================================
diff -u -rc681de56bb7c40d7c5802f2993feb4aa61c2e1d2 -r8edbe5e2130c81b456385607891c6ef98928f88e
--- src/DeltaShell/DeltaShell.Plugins.CommonTools.Gui/Forms/TextDocumentView.cs	(.../TextDocumentView.cs)	(revision c681de56bb7c40d7c5802f2993feb4aa61c2e1d2)
+++ src/DeltaShell/DeltaShell.Plugins.CommonTools.Gui/Forms/TextDocumentView.cs	(.../TextDocumentView.cs)	(revision 8edbe5e2130c81b456385607891c6ef98928f88e)
@@ -7,6 +7,8 @@
 using DelftTools.Controls;
 using DelftTools.Utils;
 using DelftTools.Utils.Aop;
+using DelftTools.Utils.Editing;
+using DeltaShell.Plugins.CommonTools.Gui.Properties;
 
 namespace DeltaShell.Plugins.CommonTools.Gui.Forms
 {
@@ -79,7 +81,9 @@
             {
                 settingContent = true;
 
+                textDocument.BeginEdit(new DefaultEditAction(Resources.TextDocumentView_OnVisibleChanged_Edit_text__ + characters));
                 textDocument.Content = textBox.Text;
+                textDocument.EndEdit();
 
                 characters = "";
                 settingContent = false;
@@ -148,7 +152,9 @@
         {
             settingContent = true;
 
+            textDocument.BeginEdit(new DefaultEditAction(Resources.TextDocumentView_OnVisibleChanged_Edit_text__ + characters));
             textDocument.Content = textBox.Text;
+            textDocument.EndEdit();
 
             characters = "";
             timer.Stop();