Replaced all tabs by spaces.

spdl/SPORE/needham-schroeder-sk.spdl

@@ -19,24 +19,24 @@ usertype Ticket;
 
 protocol needhamschroedersk(I,R,S)
 {
-	role I
-	{
+    role I
+    {
         const Ni: Nonce;
         var Nr: Nonce;
         var Kir: SessionKey;
         var T: Ticket;
         
-		send_1(I,S,(I,R,Ni));
+        send_1(I,S,(I,R,Ni));
         read_2(S,I, {Ni,R,Kir,T}k(I,S));
         send_3(I,R,T);
         read_4(R,I,{Nr}Kir);
         send_5(I,R,{{Nr}dec}Kir);
         claim_I2(I,Secret,Kir);
         claim_I3(I,Nisynch);
-	}	
-	
-	role R
-	{
+    }    
+    
+    role R
+    {
         const Nr: Nonce;
         var Kir: SessionKey;
         
@@ -45,7 +45,7 @@ protocol needhamschroedersk(I,R,S)
         read_5(I,R,{{Nr}dec}Kir);
         claim_R1(R,Secret,Kir);
         claim_R3(R,Nisynch);
-	}
+    }
 
     role S
     {