Special characters (such as umlauts) in variabes doesn't work!

I've run into a little problem using Smarty, and I'm pretty darn sure it's a bug, so I'd thought I'd report it... Smarty won't print variables passed from PHP where the variable name contains characters such as å, ä, ö. It will simply regard them as non existent. A variable such as $näsa is perfectly valid in PHP, but doesn't work in Smarty - very annyoying. It will work fine in {if}s: {if $näsa == 5} Näsa is 5! {/if} but when you try to print it: {$näsa} - you get: Fatal error: Smarty plugin error: [in template.tpl line X]: unknown tag - '$näsa' in Smarty.class.php on line 1980 This is very annoying, since umlauted words (and therefore variables) are very common here in Europe. Is there any way to fix this easily? /mattias