Allow empty attributes

diff --git a/org.glite.lb.server/src/policy_gram.y b/org.glite.lb.server/src/policy_gram.y
index 16ab41f..3abe361 100644 (file)
--- a/org.glite.lb.server/src/policy_gram.y
+++ b/org.glite.lb.server/src/policy_gram.y
@@ -82,12 +82,15 @@ rule                : RULE PERMIT '{' assignments '}'
                }
                ;
 
-assignments    : assignment assignments
+assignments    :
+               {
+                       $$ = NULL;
+               }
+               | assignment assignments
                {
                        $1->next = $2;
                        $$ = $1;
                }
-               | assignment
                ;
 
 assignment     : LITERAL '=' STRING