Index: src/examples/control_structures.c
===================================================================
--- src/examples/control_structures.c	(revision 1f2061deae59946b338228b2102666485a94c320)
+++ src/examples/control_structures.c	(revision be5aa1bdda2dce427692030b8a71558b7cec35cb)
@@ -1,44 +1,43 @@
 int main() {
-  L1: {
-      L2: switch ( 3_333_333 ) {	// underscores in constant
-	  case 1,2,3:			// 4~8, 4...8 not working
-	  L3: for ( ;; ) {
-	      L4: for ( ;; ) {
-		    break L1;		// labelled break
-		    break L2;
-		    break L3;
-		    break L4;
-#if 0
-		    continue L1;	// labelled continue
-		    continue L2;
-		    continue L3;
-		    continue L4;
-#endif
-		} // for
-	    } // for
-	    break;
-	  default:
-	    break L1;
-	} // switch
-	3;
-	int i, j;
-	choose ( 7 ) {
-	  case 1,2,3:
-	    i = 3;
-	    fallthru;
-	  case 4,5,6:
-	    j = 3;
-	  default: ;
-	} // choose
-    } // block
+	L1: {
+		L2: switch ( 3_333_333 ) {  // underscores in constant
+			case 1,2,3:     // 4~8, 4...8 not working
+				L3: for ( ;; ) {
+					L4: for ( ;; ) {
+						break L1;   // labelled break
+						break L2;
+						break L3;
+						break L4;
+
+						// continue L1; // labelled continue - should be an error 
+						// continue L2; // should be an error
+						continue L3;
+						continue L4;
+					} // for
+				} // for
+				break;
+			default:
+				break L1;
+		} // switch
+		3;
+		int i, j;
+		choose ( 7 ) {
+			case 1,2,3:
+				i = 3;
+				fallthru;
+			case 4,5,6:
+				j = 3;
+			default: ;
+		} // choose
+	} // block
 
 #if 0
-    try {
-	int i = 3;
-    } catch( int ) {
-    } catch( double ) {
-    } catch( ... ) {
-    } finally {
-    } // try
+	try {
+		int i = 3;
+	} catch( int ) {
+	} catch( double ) {
+	} catch( ... ) {
+	} finally {
+	} // try
 #endif