This makes sure all your content is filtered the way it's supposed to
check_markup($text, $format = FILTER_FORMAT_DEFAULT, $check = TRUE) //use it like this in for example a node template $body = check_markup($node->content["body"]["#value"], $node->format, FALSE); $field_whatever = check_markup($node->field_whatever[0]['value"], $node->format, FALSE);
Links
[1] http://api.drupal.org/api/function/check_markup/5