fixes #553

app/models/comment.rb

@@ -6,7 +6,7 @@ class Comment < ActiveRecord::Base
   has_many :votes, :class_name => "CommentVote", :dependent => :destroy
   before_validation :initialize_creator, :on => :create
   after_save :update_last_commented_at
-  attr_accessible :body, :post_id
+  attr_accessible :body, :post_id, :do_not_bump_post
   attr_accessor :do_not_bump_post
   
   module SearchMethods

app/views/comments/partials/new/_form.html.erb

@@ -4,6 +4,6 @@
 <%= form_tag(comments_path, :class => "simple_form") do %>
   <%= hidden_field "comment", "post_id", :value => post.id %>
   <%= dtext_field "comment", "body", :input_id => "comment_response_for_#{post.id}", :preview_id => "dtext-preview-for-#{post.id}" %>
-  <%= submit_tag "Post" %>
   <%= dtext_preview_button "comment", "body", :input_id => "comment_response_for_#{post.id}", :preview_id => "dtext-preview-for-#{post.id}" %>
+  <%= submit_tag "Post" %> <%= check_box "comment", "do_not_bump_post", :id => "comment_do_not_bump_post_#{post.id}" %> <label for="comment_do_not_bump_post_<%= post.id %>">No bump</label>
 <% end %>