lib/xmlsimple.rb in xml-simple-1.0.12 vs lib/xmlsimple.rb in xml-simple-1.0.13

@@ -9,11 +9,11 @@
 
 # Easy API to maintain XML (especially configuration files).
 class XmlSimple
   include REXML
 
-  @@VERSION = '1.0.12'
+  @@VERSION = '1.0.13'
 
   # A simple cache for XML documents that were already transformed
   # by xml_in.
   class Cache
     # Creates and initializes a new Cache object.
@@ -790,10 +790,10 @@
         result << indent << '<' << name
       end
 
       if !ref.empty?
         ref.each { |key, value|
-          next if !key.nil? && key[0, 1] == '-'
+          next if !key.nil? && key.to_s[0, 1] == '-'
           if value.nil?
             unless @options.has_key?('suppressempty') && @options['suppressempty'].nil?
               raise ArgumentError, "Use of uninitialized value!"
             end
             value = {}