Fix flag checking for 'negative' flags if no other flags exist

diff --git a/imp/js/DimpBase.js b/imp/js/DimpBase.js
index bb596e1..b5488ba 100644 (file)
--- a/imp/js/DimpBase.js
+++ b/imp/js/DimpBase.js
@@ -2464,7 +2464,7 @@ var DimpBase = {
 
     hasFlag: function(f, r)
     {
-        return r.flag && this.convertFlag(f, r.flag.include(f));
+        return this.convertFlag(f, r.flag ? r.flag.include(f) : false);
     },
 
     convertFlag: function(f, set)