documented optional indentation for 'case' statements/'case' objects

tests/compile/tobjects.nim

@@ -11,6 +11,16 @@ type
       d, e, f: char
     else: nil
     n: bool
+
+type
+  TMyObject = object of TObject
+    case disp: range[0..4]:
+      of 0: arg: char
+      of 1: s: string
+      else: wtf: bool
+      
+var
+  x: TMyObject
 
 var
   global: int