`DTA::makeValidString`

Makes the given string valid for DTA files.

       require_once '/DTA.php';

         string
         DTA::makeValidString

         string
         $string

&title.desc;

Some diacritics, especially German umlauts become uppercase, all other chars not allowed are replaced with space.

&title.param;

&type.string; `$string`

- String that should made valid.

&title.throws;

throws no exceptions thrown

&title.note; ¬e.notstatic;