Index: generators.jam
===================================================================
RCS file: /cvsroot/boost/boost/tools/build/v2/build/generators.jam,v
retrieving revision 1.97
diff -u -r1.97 generators.jam
--- generators.jam	10 Apr 2006 12:33:15 -0000	1.97
+++ generators.jam	18 May 2006 06:27:55 -0000
@@ -645,7 +645,7 @@
 
 # Creates new instance of the 'composing-generator' class and
 # registers it.
-rule register-composing ( id : source-types + : target-types + : requirements * )
+rule register-composing ( id : source-types * : target-types + : requirements * )
 {
     local g = [ new generator $(id) true : $(source-types) 
                 : $(target-types) : $(requirements) ] ;