search: replaced most of $string_ul_umlauts (from search_convert.php) through use of preg's u-switch. Replaced strtr() by str_replace() (it's just faster). Changed ' to '
search: replaced most of $string_ul_umlauts (from search_convert.php) through use of preg's u-switch. Replaced strtr() by str_replace() (it's just faster). Changed ' to '