lib/rio/context.rb in rio-0.3.1 vs lib/rio/context.rb in rio-0.3.2

@@ -88,10 +88,10 @@
         keys = %w[chomp closeoneof rename]
         q = {}
         p = {}
         ncx = Vars.new(q,p)
         keys.each { |key|
-          ncx.set_(key,@values[key])
+          ncx.set_(key,@values[key]) if @values.has_key?(key)
         }
         ncx
       end
       def bequeath0()
         q = @values.clone()