bug#2847:讨论区：对已发布的帖子进行编辑时，建议在中间用虚线隔开

app/views/boards/_course_show.html.erb

@@ -92,7 +92,7 @@
 
           <div class="cl"></div>
 
-          <div class="talk_new ml15 mb10" nhname='about_talk' id="about_newtalk<%=topic.id%>"  style="display: none">
+          <div class="talk_new ml15 mb10" nhname='about_talk' id="about_newtalk<%=topic.id%>"  style="display: none;border-top: 1px dashed #d9d9d9;padding-top:5px;margin-left:0px;padding-left:15px;">
             <ul>
               <%= render :partial => 'edit',locals:  {:topic => topic} %>
             </ul>

app/views/boards/_project_show.html.erb

@@ -80,7 +80,7 @@
           <a href="javascript:void(0)" nhname="showbtn_reply" class="c_dblue fr" style="margin-right:10px;"><%= l(:button_reply) %></a>
         <% end %>
         <div class="cl"></div>
-        <div class="talk_new ml15 mb10" nhname='about_talk' id="about_newtalk<%=topic.id%>" style="display: none">
+        <div class="talk_new ml15 mb10" nhname='about_talk' id="about_newtalk<%=topic.id%>" style="display: none;border-top: 1px dashed #d9d9d9;padding-top:5px;margin-left:0px;padding-left:15px;">
           <ul>
             <%= render :partial => 'edit',locals:  {:topic => topic} %>
           </ul>