B2016-173 Transition to MS Word section causes crash

B2016-135 Hanging Indent crash on History
B2016-162 Backslash typed into table cell does not get saved as a Backslash

PROMS/Volian.Controls.Library/StepRTB.cs

@@ -1096,6 +1096,8 @@ namespace Volian.Controls.Library
 			{
 				this.Invalidate();
 				base.WndProc(ref m);
+				// B2016-135 Don't Show Hanging Indent if MyItemInfo is null
+				if (MyItemInfo == null) return;
 				if ((FieldToEdit == E_FieldToEdit.StepText) && (SelectionHangingIndent > 0 || SelectionIndent > 0) && (ActiveMode || MyItemInfo.IsTable))
 				{
 					using (Graphics g = Graphics.FromHwnd(this.Handle))