clear floats in preview pane

darcs-hash:20060111101104-6e07b-3086cbd4df88971f1c05c41725723676d1353a08.gz

inc/html.php

@@ -271,6 +271,7 @@ function html_show($txt=''){
     print p_locale_xhtml('preview');
     print '<div class="preview">';
     print html_secedit(p_render('xhtml',p_get_instructions($txt),$info),$secedit);
+    print '<div class="clearer"></div>';
     print '</div>';
 
   }else{