Merge commit '87a5e747f'

lib/jekyll/filters.rb

@@ -19,6 +19,21 @@ module Jekyll
     
     def number_of_words(input)
       input.split.length
-    end    
+    end
+    
+    def array_to_sentence_string(array)
+      connector = "and"
+      case array.length
+      when 0
+        ""
+      when 1
+        array[0].to_s
+      when 2
+        "#{array[0]} #{connector} #{array[1]}"
+      else
+        "#{array[0...-1].join(', ')}, #{connector} #{array[-1]}"
+      end
+    end
+
   end  
 end