Fix content & formatting errors

Author: delphidabbler

Docs/Design/FileFormats/user-db.html

@@ -335,7 +335,7 @@ <h3 id="xml-file">
   </dd>
 
   <dt>
-    <strong>codesnip-export/routines/routine/highlight-source</strong>
+    <strong>codesnip-data/routines/routine/highlight-source</strong>
   </dt>
   <dd>
     <ul class="squashed">
@@ -825,9 +825,9 @@ <h2>
     <strong>Version 3 - 29 June 2009</strong>
   </dt>
   <dd>
-      <p>
-        Introduced with CodeSnip v3.0.
-      </p>
+    <p>
+      Introduced with CodeSnip v3.0.
+    </p>
     <p>
       The following tag is no longer supported:
     </p>
@@ -943,7 +943,7 @@ <h2>
         <em>codesnip-data/routines/routine/display-name</em>
       </li>
       <li>
-        <em>codesnip-export/routines/routine/highlight-source</em>
+        <em>codesnip-data/routines/routine/highlight-source</em>
       </li>
     </ul>
     <dl>
@@ -1059,7 +1059,7 @@ <h3>
     equivalent of a single paragraph containing the description.
   </li>
   <li>
-    Proceed as if a <em>codesnip-export/routines/routine/highlight-source</em>
+    Proceed as if a <em>codesnip-data/routines/routine/highlight-source</em>
     tag with value &quot;1&quot; had been specified.
   </li>
 </ul>