- merge trunc r1200:1201 into branch 1.6 (HTML validation)

git-svn-id: http://piwigo.org/svn/branches/branch-1_6@1202 68402e56-0260-453c-a942-63ccdbb3a9ee

include/functions_html.inc.php

@@ -529,6 +529,10 @@ function get_html_tag_selection(
 {
   global $conf;
 
+  if (count ($tags) == 0 )
+  {
+    return '';
+  }
   $output = '<ul class="tagSelection">';
   foreach ($tags as $tag)
   {