diff --git a/src/ce_diff.lfm b/src/ce_diff.lfm
index e60a1bee..76b7858d 100644
--- a/src/ce_diff.lfm
+++ b/src/ce_diff.lfm
@@ -26,7 +26,31 @@ object CEDiffViewer: TCEDiffViewer
     RightGutter.Width = 0
     RightGutter.MouseActions = <>
     Highlighter = diffHl
-    Keystrokes = <>
+    Keystrokes = <    
+      item
+        Command = ecUp
+        ShortCut = 38
+      end    
+      item
+        Command = ecDown
+        ShortCut = 40
+      end    
+      item
+        Command = ecLeft
+        ShortCut = 37
+      end    
+      item
+        Command = ecRight
+        ShortCut = 39
+      end    
+      item
+        Command = ecPageUp
+        ShortCut = 33
+      end    
+      item
+        Command = ecPageDown
+        ShortCut = 34
+      end>
     MouseActions = <>
     MouseTextActions = <>
     MouseSelActions = <>
diff --git a/src/ce_synmemo.pas b/src/ce_synmemo.pas
index df712b5a..b1551d80 100644
--- a/src/ce_synmemo.pas
+++ b/src/ce_synmemo.pas
@@ -828,7 +828,7 @@ end;
 procedure TCESynMemo.setFocus;
 begin
   inherited;
-  checkFileDate;
+  //checkFileDate;
   highlightCurrentIdentifier;
   subjDocFocused(TCEMultiDocSubject(fMultiDocSubject), self);
 end;