Minor tweaks in the templates: Fix a HTML syntax error, reformulate column...

Minor tweaks in the templates: Fix a HTML syntax error, reformulate column descriptions for the metrics form

debexpo/templates/my/index.mako

@@ -217,9 +217,9 @@ allow_unsigned_uploads = 0
         <td>&nbsp;</td>
         <td>
             <ul>
-                <li><strong>First column</strong> You are not accepting packages qualifying for that tag.</li>
-                <li><strong>Middle column</strong> You have no strong opinion on that tag.</li>
-                <li><strong>Last column</strong> You endorse usage of the implied meaning of the tag.</li>
+                <li><strong><tt>-</tt></strong> (first column) You are not accepting packages qualifying for that tag.</li>
+                <li><strong><tt>~</tt></strong> (middle column) You have no strong opinion on that tag.</li>
+                <li><strong><tt>+</tt></strong> (last column) You endorse usage of the implied meaning of the tag.</li>
             </ul>
         </td>
     </tr>
@@ -262,9 +262,9 @@ allow_unsigned_uploads = 0
             <td>&nbsp;</td>
             <td>
                 <ul>
-                    <li><strong>First column</strong> You are not accepting packages qualifying for that tag.</li>
-                    <li><strong>Middle column</strong> You have no strong opinion on that tag.</li>
-                    <li><strong>Last column</strong> You endorse usage of the implied meaning of the tag.</li>
+                    <li><strong><tt>-</tt></strong> (first column) You are not accepting packages qualifying for that tag.</li>
+                    <li><strong><tt>~</tt></strong> (middle column) You have no strong opinion on that tag.</li>
+                    <li><strong><tt>+</tt></strong> (last column) You endorse usage of the implied meaning of the tag.</li>
                 </ul>
             </td>
         </tr>

debexpo/templates/sponsor/index.mako

@@ -52,7 +52,7 @@ To help you finding a sponsor interested in your package, they can formulate spo
     <tr>
         <th width="50%">Acceptable package traits</th>
         <th width="50%">Social requirements</th>
-    <tr>
+    </tr>
     <tr>
         <td>
             Debian allows several workflows and best practices to co-exist with each other. All packages <strong>must comply the <a href="http://www.debian.org/doc/debian-policy/">Debian policy</a></strong> as bare essential minimum, but some workflows and best practices beyond that are optional, but nonetheless mandatory <em>for you</em> asking that person to sponsor your upload.