diff --git a/designer/utslsynmemo.tsf b/designer/utslsynmemo.tsf
index 4530e98..b6b8055 100644
--- a/designer/utslsynmemo.tsf
+++ b/designer/utslsynmemo.tsf
@@ -480,8 +480,9 @@ type TTslSynHighLighter = class(TSynHighLighter)
                  return ParserTslxTokenLines(s,idx+4,e,"<!--",tokens);        
             end 
             if pos(vi,jsfh) then 
-            begin 
-                SetJsToken(tokens,ttk,idx-1);
+            begin
+                if ttk then 
+                    SetJsToken(tokens,ttk,idx-1);
             end 
             if vi="[" then 
             begin 
@@ -592,8 +593,9 @@ type TTslSynHighLighter = class(TSynHighLighter)
                 ttk+=vi;
             end 
             idx++;
-        end 
-        SetJsToken(tokens,ttk,idx-1);
+        end
+        if ttk then 
+            SetJsToken(tokens,ttk,idx-1);
     end else 
     if cst="'" or cst='"' then 
     begin 
@@ -668,7 +670,8 @@ type TTslSynHighLighter = class(TSynHighLighter)
                 end else 
                 if FSynBranch="tsl" and vi="?" then 
                 begin 
-                    SetTToken(tokens,ttk,idx-1);
+                    if ttk then 
+                        SetTToken(tokens,ttk,idx-1);
                     if idx<e and s[idx+1]=">" then 
                     begin 
                         SetTToken(tokens,"?>",idx+1);
@@ -685,7 +688,8 @@ type TTslSynHighLighter = class(TSynHighLighter)
                 end else 
                 if vi ="'" then 
                 begin 
-                    SetTToken(tokens,ttk,idx-1);
+                    if ttk then
+                        SetTToken(tokens,ttk,idx-1);
                     SetTToken(tokens,"'",idx,"'");
                     if idx=e then return "'";
                     r := FindRightChar("'",s,idx+1,e,"\\");
@@ -707,7 +711,8 @@ type TTslSynHighLighter = class(TSynHighLighter)
                 end else 
                 if vi = '"' then 
                 begin 
-                    SetTToken(tokens,ttk,idx-1);
+                    if ttk then
+                        SetTToken(tokens,ttk,idx-1);
                     SetTToken(tokens,'"',idx,'"');
                     if idx=e then return '"';
                     r := FindRightChar('"',s,idx+1,e,"\\");
@@ -728,14 +733,16 @@ type TTslSynHighLighter = class(TSynHighLighter)
                     //return ParserTokenLines(s,idx+1,e,'"',tokens);
                 end else 
                 if vi="{" then 
-                begin 
-                    SetTToken(tokens,ttk,idx-1);
+                begin
+                    if ttk then 
+                        SetTToken(tokens,ttk,idx-1);
                     SetTToken(tokens,'{',idx,'{');
                     return ParserTokenLines(s,idx+1,e,'{',tokens);
                 end else
                 if vi="/" then 
                 begin 
-                    SetTToken(tokens,ttk,idx-1);
+                    if ttk then
+                        SetTToken(tokens,ttk,idx-1);
                     if idx=e then
                     begin 
                         SetTToken(tokens,vi,idx);
@@ -753,7 +760,8 @@ type TTslSynHighLighter = class(TSynHighLighter)
                 end else 
                 if vi="#" then 
                 begin
-                    SetTToken(tokens,ttk,idx-1);
+                    if ttk then
+                        SetTToken(tokens,ttk,idx-1);
                     if idx=e then 
                     begin
                         SetTToken(tokens,vi,idx);
@@ -770,8 +778,9 @@ type TTslSynHighLighter = class(TSynHighLighter)
                     end 
                 end else
                 if vi="(" then 
-                begin 
-                    SetTToken(tokens,ttk,idx-1);
+                begin
+                    if ttk then 
+                        SetTToken(tokens,ttk,idx-1);
                     if idx=e then 
                     begin 
                         FCBBState.GetLeft();
@@ -792,7 +801,8 @@ type TTslSynHighLighter = class(TSynHighLighter)
                 end else 
                 if vi="%" then 
                 begin 
-                    SetTToken(tokens,ttk,idx-1);
+                    if ttk then
+                        SetTToken(tokens,ttk,idx-1);
                     idx++;
                     if idx<=e then 
                     begin 
@@ -832,7 +842,8 @@ type TTslSynHighLighter = class(TSynHighLighter)
                 end else 
                 if vi="<" then 
                 begin
-                    SetTToken(tokens,ttk,idx-1);   
+                    if ttk then
+                        SetTToken(tokens,ttk,idx-1);   
                     if (idx+6<=e) and s[idx+1]="?" and lowercase(s[idx+2:idx+6])="tslx>" then 
                     begin 
                         d := SetTToken(tokens,s[idx:idx+6],idx+6);
@@ -852,7 +863,8 @@ type TTslSynHighLighter = class(TSynHighLighter)
                 end else 
                 if pos(vi,"`~@#$^&*)+-;,.?:[]|\\=><%/") then 
                 begin
-                    SetTToken(tokens,ttk,idx-1);
+                    if ttk then
+                        SetTToken(tokens,ttk,idx-1);
                     if vi=")" then 
                     begin 
                         FCBBState.GetRight();
@@ -877,8 +889,9 @@ type TTslSynHighLighter = class(TSynHighLighter)
                     ttk+=vi;
                 end
                 idx++;
-            end 
-            SetTToken(tokens,ttk,idx-1);
+            end
+            if ttk then 
+                SetTToken(tokens,ttk,idx-1);
         end else 
         if cst="'" or cst='"' then 
         begin