XHTML strict.

There is tsome truely horrible hackery going on here to ensure XHTML strict,
and rather unsurprisingly, it was broken. I think it is less broken now.

blocks/rss_client/config_instance.html

@@ -183,5 +183,6 @@ print_box_start();
   rss_display_feeds($id, $USER->id, '', $context);
   rss_print_form($act, $url, $rssid, $preferredtitle, $shared, $id, $context);
   print_box_end();
+  print '<div><form><div>';   // Reopen page form to keep XHTML strict.
 }
 ?>

lib/rsslib.php

@@ -471,7 +471,6 @@ function rss_get_form($act='none', $url='', $rssid='', $preferredtitle='', $shar
     $returnstring = '';
 
     $returnstring .= '<form action="'. $CFG->wwwroot .'/blocks/rss_client/block_rss_client_action.php" method="post" id="block_rss">'."\n";
-    print_location_comment(__FILE__,__LINE__);
     $returnstring .= '<div id="rss_table">'."\n";
     if ($act == 'rssedit') {
         $returnstring .= $strupdatefeed;
@@ -530,8 +529,9 @@ function rss_get_form($act='none', $url='', $rssid='', $preferredtitle='', $shar
     }
 
     $returnstring .= '" />&nbsp;'. $validatestring ."\n";
-    // $returnstring .= '</div></form>'."\n"; // Avoiding nested forms... Ugly temporary hack #8922
-    return $returnstring . print_location_comment(__FILE__, __LINE__, true);
+    $returnstring .= '</div></form>'."\n";
+    
+    return $returnstring;
 }