Index: libcfa/prelude/prelude-gen.cc
===================================================================
--- libcfa/prelude/prelude-gen.cc	(revision 466b1c957c4c7a51f484f52d4495189a90998cd0)
+++ libcfa/prelude/prelude-gen.cc	(revision 8f936bfe68b397cd1aa78e1ca4aa63bd035cedd3)
@@ -10,6 +10,6 @@
 // Created On       : Sat Feb 16 08:44:58 2019
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Fri Mar  8 16:00:22 2019
-// Update Count     : 26
+// Last Modified On : Tue Mar 19 08:19:35 2019
+// Update Count     : 28
 // 
 
@@ -208,7 +208,7 @@
 		cout << "void ?{} (" << type << " &);" << endl;
 		cout << "void ?{} (" << type << " &, " << type << ");" << endl;
-		cout << type << "  ?=? (" << type << " &, " << type << ")";
+		cout << type << " ?=? (" << type << " &, " << type << ")";
 		if ( do_volatile ) {
-			cout << ",  ?=?(volatile " << type << " &, " << type << ")";
+			cout << ", ?=?(volatile " << type << " &, " << type << ")";
 		}
 		cout << ";" << endl;
@@ -217,5 +217,7 @@
 
 	otype("zero_t");
+	cout << endl;
 	otype("one_t");
+	cout << endl;
 	otype("_Bool", true);
 	cout << endl;
@@ -225,4 +227,5 @@
 		cout << "void ?{}(" << type.name << " &, " << type.name << ");" << endl;
 		cout << "void ?{}(" << type.name << " &, zero_t);" << endl;
+		cout << "void ?{}(" << type.name << " &, one_t);" << endl;
 		cout << "void ^?{}(" << type.name << " &);" << endl;
 		cout << endl;