fixes #199

app/assets/stylesheets/specific/posts.css.scss

@@ -171,13 +171,13 @@ div#c-explore-posts {
 
 div#c-post-versions {
   div#a-index {
-    ins {
+    ins, ins a {
       color: green;
       text-decoration: none;
       margin-right: 0.5em;
     }
     
-    del {
+    del, del a {
       color: red;
       text-decoration: line-through;
       margin-right: 0.5em;

app/helpers/post_versions_helper.rb

@@ -3,13 +3,13 @@ module PostVersionsHelper
     diff = post_version.diff(post_version.previous)
     html = []
     diff[:added_tags].each do |tag|
-      html << '<ins>' + tag + '</ins>'
+      html << '<ins>' + link_to(tag, posts_path(:tags => tag)) + '</ins>'
     end
     diff[:removed_tags].each do |tag|
-      html << '<del>' + tag + '</del>'
+      html << '<del>' + link_to(tag, posts_path(:tags => tag)) + '</del>'
     end
     diff[:unchanged_tags].each do |tag|
-      html << '<span>' + tag + '</span>' unless tag =~ /^(?:rating|source):/
+      html << '<span>' + link_to(tag, posts_path(:tags => tag)) + '</span>' unless tag =~ /^(?:rating|source):/
     end
     return html.join(" ").html_safe
   end

app/views/post_versions/index.html.erb

@@ -5,7 +5,7 @@
     <% if @post_versions.empty? %>
       <%= render "post_sets/blank" %>
     <% else %>
-      <%= render"listing", :post_versions => @post_versions %>
+      <%= render "listing", :post_versions => @post_versions %>
     <% end %>
   </div>
 </div>