Don't use the transliterator gem on 1.8.

Replace the transliteration with Iconv and a regexp.

buckaroo-ideal.gemspec

@@ -16,9 +16,10 @@ Gem::Specification.new do |gem|
   gem.version       = Buckaroo::Ideal::VERSION
 
   gem.add_dependency 'activesupport'
-  gem.add_dependency 'transliterator'
 
   if RUBY_VERSION < "1.9"
     gem.add_dependency 'fastercsv'
+  else
+    gem.add_dependency 'transliterator'
   end
 end

lib/buckaroo-ideal/util.rb

@@ -1,12 +1,26 @@
-require 'transliterator'
-
 module Buckaroo
   module Ideal
     module Util
       extend self
 
-      def to_normalized_string(string)
-        Transliterator.asciify(string.to_s)
+      if RUBY_VERSION < "1.9"
+
+        require 'iconv'
+
+        STRIP_ACCENTS_RE = /[\^~"`']/
+
+        def to_normalized_string(string)
+          Iconv.iconv('US-ASCII//IGNORE//TRANSLIT', 'UTF-8', string).to_s.gsub(STRIP_ACCENTS_RE, '')
+        end
+
+      else
+
+        require 'transliterator'
+
+        def to_normalized_string(string)
+          Transliterator.asciify(string.to_s)
+        end
+
       end
 
       def to_cents(amount)

spec/buckaroo-ideal/util_spec.rb

@@ -7,6 +7,11 @@
       result = Buckaroo::Ideal::Util.to_normalized_string('îñtërnâtiônàlizâtiôn')
       result.should == 'internationalization'
     end
+
+    it 'keeps dashes' do
+      result = Buckaroo::Ideal::Util.to_normalized_string('order-123')
+      result.should == 'order-123'
+    end
   end
 
   describe '#to_cents' do