lib/happymapper.rb in nokogiri-happymapper-0.5.4 vs lib/happymapper.rb in nokogiri-happymapper-0.5.5

@@ -5,11 +5,11 @@
 class Boolean; end
 class XmlContent; end
 
 module HappyMapper
 
-  VERSION = "0.5.4"
+  VERSION = "0.5.5"
 
   DEFAULT_NS = "happymapper"
 
   def self.included(base)
     base.instance_variable_set("@attributes", {})
@@ -477,10 +477,10 @@
       
         #
         # Attributes that have a nil value should be ignored unless they explicitly
         # state that they should be expressed in the output.
         #
-        if value || attribute.options[:state_when_nil]
+        if not value.nil? || attribute.options[:state_when_nil]
           attribute_namespace = attribute.options[:namespace] || default_namespace
           [ "#{attribute_namespace ? "#{attribute_namespace}:" : ""}#{attribute.tag}", value ]
         else
           []
         end