@@ -10,4 +10,5 @@ gem 'haml', '>= 3.1'

 gem 'compass', '>= 0.11'

 gem 'rubypants'

 gem 'rb-fsevent'

-gem 'stringex'

\ No newline at end of file

+gem 'stringex'

+gem 'unicode_utils'

\ No newline at end of file

@@ -42,6 +42,7 @@ GEM

     sass (3.1.7)

     stringex (1.3.0)

     syntax (1.0.0)

+    unicode_utils (1.0.0)

 PLATFORMS

   ruby

@@ -58,3 +59,4 @@ DEPENDENCIES

   rdiscount

   rubypants

   stringex

+  unicode_utils

@@ -16,8 +16,9 @@

 # - category_dir:          The subfolder to build category pages in (default is 'categories').

 # - category_title_prefix: The string used before the category name in the page title (default is

 #                          'Category: ').

-module Jekyll

+require "unicode_utils"

+module Jekyll

   # The CategoryIndex class creates a single category page for the specified category.

   class CategoryIndex < Page

@@ -68,7 +69,7 @@ module Jekyll

       if self.layouts.key? 'category_index'

         dir = self.config['category_dir'] || 'categories'

         self.categories.keys.each do |category|

-          self.write_category_index(File.join(dir, category.gsub(/_|\W/, '-')), category)

+          self.write_category_index(File.join(dir, UnicodeUtils.nfkd(category).gsub(/[^\x00-\x7F]/, '').gsub(/_|\W/, '-').to_s), category)

         end

       # Throw an exception if the layout couldn't be found.

@@ -105,7 +106,7 @@ module Jekyll

     def category_links(categories)

       dir = @context.registers[:site].config['category_dir']

       categories = categories.sort!.map do |item|

-        "<a class='category' href='/#{dir}/#{item.gsub(/_|\W/, '-')}/'>#{item}</a>"

+        "<a class='category' href='/#{dir}/#{UnicodeUtils.nfkd(item).gsub(/[^\x00-\x7F]/, '').gsub(/_|\W/, '-').to_s}/'>#{item}</a>"

       end

       case categories.length