Switch to side-by-side view

--- a
+++ b/forgeblog/templates/blog/post_history.html
@@ -0,0 +1,37 @@
+{% extends g.theme.master %}
+
+{% block title %}{{c.project.name}} / {{c.app.config.options.mount_label}}  / {{title}}{% endblock %}
+
+{% block header %}{{title}}{% endblock %}
+
+{% block content %}
+          <form method="get" action="diff">
+            <div class="grid-19"><input type="submit" value="Compare revisions"/></div>
+            <div style="clear:both"></div>
+            <table>
+              <thead>
+                <tr>
+                  <th>Version</th>
+                  <th>V1</th>
+                  <th>V2</th>
+                  <th>&nbsp;</th>
+                </tr>
+              </thead>
+              <tbody>
+              {% for p in posts %}
+                <tr>
+                  <td>{{p.version}} by {{p.author.display_name|e}}</td>
+                  <td><input name="v1" type="radio" value="{{p.version}}"/></td>
+                  <td><input name="v2" type="radio" value="{{p.version}}"/></td>
+                  <td>
+                    <a href="./?version={{p.version}}" class="btn">View Revision</a>
+                    {% if loop.index0 != 0 and h.has_access(p, 'edit')() %}
+                    <a href="./revert?version={{p.version}}" class="btn">Revert to version {{p.version}}</a>
+                    {% endif %}
+                  </td>
+                </tr>
+              {% endfor %}
+              </tbody>
+            </table>
+          </form>
+{% endblock %}