.

common/text_input.js

@@ -414,7 +414,7 @@
 
 		checkFocus : function()
 		{
-			if (oThis.Api.asc_IsFocus() && !AscCommon.g_clipboardBase.IsFocus() && !AscCommon.g_clipboardBase.IsWorking())
+			if (this.Api.asc_IsFocus() && !AscCommon.g_clipboardBase.IsFocus() && !AscCommon.g_clipboardBase.IsWorking())
 			{
 				if (document.activeElement != oThis.HtmlArea)
 					oThis.HtmlArea.focus();

word/Editor/Document.js

@@ -544,10 +544,10 @@ CDocumentPageSection.prototype.Copy = function()
 
     for (var ColumnIndex = 0, Count = this.Columns.length; ColumnIndex < Count; ++ColumnIndex)
     {
-        NewPage.Columns[ColumnIndex] = this.Columns[ColumnIndex].Copy();
+		NewSection.Columns[ColumnIndex] = this.Columns[ColumnIndex].Copy();
     }
 
-    return NewPage;
+    return NewSection;
 };
 CDocumentPageSection.prototype.Shift = function(Dx, Dy)
 {

word/Math/operators.js

@@ -3095,7 +3095,7 @@ COperator.prototype.IsArrow = function()
 
     var bArrow = this.typeOper == ARROW_LEFT || this.typeOper == ARROW_RIGHT || this.typeOper == ARROW_LR,
         bDoubleArrow = this.typeOper == DOUBLE_LEFT_ARROW || this.typeOper == DOUBLE_RIGHT_ARROW || this.typeOper == DOUBLE_ARROW_LR,
-        bAccentArrow = his.typeOper == ACCENT_ARROW_LEFT || this.typeOper == ACCENT_ARROW_RIGHT || this.typeOper == ACCENT_ARROW_LR || this.typeOper == ACCENT_HALF_ARROW_LEFT || this.typeOper == ACCENT_HALF_ARROW_RIGHT;
+        bAccentArrow = this.typeOper == ACCENT_ARROW_LEFT || this.typeOper == ACCENT_ARROW_RIGHT || this.typeOper == ACCENT_ARROW_LR || this.typeOper == ACCENT_HALF_ARROW_LEFT || this.typeOper == ACCENT_HALF_ARROW_RIGHT;
 
     return bArrow || bDoubleArrow;
 };