Index: tests/concurrency/actors/executor.cfa
===================================================================
--- tests/concurrency/actors/executor.cfa	(revision 50be8af55788ecaebbb85845d1e11234cd6a5cb6)
+++ tests/concurrency/actors/executor.cfa	(revision 8514bcf8ef7c43f89a87762cbc1b2daf22c2a06b)
@@ -10,14 +10,14 @@
 static int ids = 0;
 struct d_actor { 
-    inline actor;
-    d_actor * gstart;
-    int id, rounds, recs, sends;
+	inline actor;
+	d_actor * gstart;
+	int id, rounds, recs, sends;
 };
 void ?{}( d_actor & this ) with(this) {
-    id = ids++;
-    gstart = (&this + (id / Set * Set - id)); // remember group-start array-element
-    rounds = Set * Rounds;	// send at least one message to each group member
-    recs = 0;
-    sends = 0;
+	id = ids++;
+	gstart = (&this + (id / Set * Set - id)); // remember group-start array-element
+	rounds = Set * Rounds;	// send at least one message to each group member
+	recs = 0;
+	sends = 0;
 }
 
@@ -25,17 +25,17 @@
 
 allocation receive( d_actor & this, d_msg & msg ) with( this ) {
-    if ( recs == rounds ) return Finished;
-    if ( recs % Batch == 0 ) {
-        for ( i; Batch ) {
-            gstart[sends % Set] | shared_msg;
-            sends += 1;
-        }
-    }
-    recs += 1;
-    return Nodelete;
+	if ( recs == rounds ) return Finished;
+	if ( recs % Batch == 0 ) {
+		for ( i; Batch ) {
+			gstart[sends % Set] | shared_msg;
+			sends += 1;
+		}
+	}
+	recs += 1;
+	return Nodelete;
 }
 
 int main( int argc, char * argv[] ) {
-    switch ( argc ) {
+	switch ( argc ) {
 	  case 7:
 		if ( strcmp( argv[6], "d" ) != 0 ) {			// default ?
@@ -72,5 +72,5 @@
 	  default:
 		exit | "Usage: " | argv[0]
-             | " [ actors (> 0 && > set && actors % set == 0 ) | 'd' (default " | Actors
+			 | " [ actors (> 0 && > set && actors % set == 0 ) | 'd' (default " | Actors
 			 | ") ] [ set (> 0) | 'd' (default " | Set
 			 | ") ] [ rounds (> 0) | 'd' (default " | Rounds
@@ -81,13 +81,13 @@
 	} // switch
 
-    executor e{ Processors, Processors, Processors == 1 ? 1 : Processors * 512, true };
+	executor e{ Processors, Processors, Processors == 1 ? 1 : Processors * 512, true };
 
-    sout | "starting";
+	sout | "starting";
 
-    start_actor_system( e );
+	start_actor_system( e );
 
-    sout | "started";
+	sout | "started";
 
-    d_actor actors[ Actors ];
+	d_actor actors[ Actors ];
 
 	for ( i; Actors ) {
@@ -95,10 +95,8 @@
 	} // for
 
-    sout | "stopping";
+	sout | "stopping";
 
-    stop_actor_system();
+	stop_actor_system();
 
-    sout | "stopped";
-
-    return 0;
+	sout | "stopped";
 }