Fixed bug #34055.

word/Editor/Document.js

@@ -3872,6 +3872,7 @@ CDocument.prototype.Extend_ToPos = function(X, Y)
     {
         var NewParagraph = new Paragraph(this.DrawingDocument, this, 0, 0, 0, 0, 0);
         var NewRun       = new ParaRun(NewParagraph, false);
+        NewParagraph.Add_ToContent(0, NewRun);
 
         var StyleId = LastPara.Style_Get();
         var NextId  = undefined;

word/Editor/DocumentContent.js

@@ -2266,6 +2266,8 @@ CDocumentContent.prototype.Extend_ToPos                       = function(X, Y)
     while (true)
     {
         var NewParagraph = new Paragraph(this.DrawingDocument, this, 0, 0, 0, 0, 0, this.bPresentation === true);
+		var NewRun       = new ParaRun(NewParagraph, false);
+		NewParagraph.Add_ToContent(0, NewRun);
 
         var StyleId = LastPara.Style_Get();
         var NextId  = undefined;

word/Editor/Run.js

@@ -6322,7 +6322,7 @@ ParaRun.prototype.Apply_TextPr = function(TextPr, IncFontSize, ApplyToAll)
             var StartPos = this.State.Selection.StartPos;
             var EndPos   = this.State.Selection.EndPos;
 
-            if (StartPos === EndPos)
+            if (StartPos === EndPos && 0 !== this.Content.length)
 			{
 				CRun = this;
 				LRun = null;