diff --git a/ZCppMain/ZtCObjList.H b/ZCppMain/ZtCObjList.H
index 2baa3eb..fc96010 100644
--- a/ZCppMain/ZtCObjList.H
+++ b/ZCppMain/ZtCObjList.H
@@ -974,6 +974,15 @@ namespace ZNsMain
             }/*
             ZCLink& operator+(TypeSize AL_Distance)*/
 
+            ZCLink& operator-(TypeSize AL_Distance)
+            {
+                if(AL_Distance>=0)
+                      return *GetPrevPtr(AL_Distance);
+                else  return *GetNextPtr(AL_Distance);
+            }/*
+            ZCLink& operator-(TypeSize AL_Distance)*/
+
+
             const ZCLink& operator+(TypeSize AL_Distance) const
             {
                 if(AL_Distance>=0)
@@ -982,6 +991,13 @@ namespace ZNsMain
             }/*
             const ZCLink& operator+(TypeSize AL_Distance) const*/
 
+            const ZCLink& operator-(TypeSize AL_Distance) const
+            {
+                if(AL_Distance>=0)
+                      return *GetPrevPtr(AL_Distance);
+                else  return *GetNextPtr(AL_Distance);
+            }/*
+            const ZCLink& operator-(TypeSize AL_Distance) const*/
 
         public:
         };/*
diff --git a/ZCppMain/ZtCSimList.H b/ZCppMain/ZtCSimList.H
index 7a93758..b3ef965 100644
--- a/ZCppMain/ZtCSimList.H
+++ b/ZCppMain/ZtCSimList.H
@@ -256,7 +256,7 @@ namespace ZNsMain
 
                         MakeLinkCopy /*++++++++++++++++++++++++++++++++++++++++++++*/
                             (
-                                   AP_LinkOrgin->GetNextPtr() , AL_FarNum-ml_UseSize,
+                                   AP_LinkOrgin->GetNextPtr(), AL_FarNum-ml_UseSize,
                                 RR(mp_NoUseTail->mp_NextLink), RR(APR_TailCopy)
                             );
                         /*+++++++++++++++++++++++++++++++++++++++++++++++++++++++++*/