preparation for new 'is' operator; breaks bootstrapping again, sorry (use generated C code)

tests/accept/run/teventemitter.nim

@@ -4,7 +4,7 @@ type
   TEventArgs = object of TObject
 type
   TEventEmitter = object of TObject
-    events*: TTable[string, TDoublyLinkedList[proc(e : TEventArgs)]]
+    events*: TTable[string, TDoublyLinkedList[proc(e: TEventArgs)]]
 proc on*(emitter: var TEventEmitter, event: string, func: proc(e: TEventArgs)) =
   if not hasKey(emitter.events, event):
     var list: TDoublyLinkedList[proc(e: TEventArgs)]

tests/accept/run/tofopr.nim

@@ -1,5 +1,5 @@
 discard """
-  file: "tisopr.nim"
+  file: "tofopr.nim"
   output: "falsetrue"
 """
 # Test is operator
@@ -12,7 +12,7 @@ type
   TOtherType = object of TMyType
    
 proc p(x: TMyType): bool = 
-  return x is TOtherType
+  return x of TOtherType
     
 var
   m: TMyType