foreign characters in params passed to stylesheet

I have a problem, when passing parameters to a stylesheet using Sablotron
running on Apache it seems to translate all foreign characters to
entityreferences, passing "mattiaså"  by doing something
liken this:

 $xslt_params["test"] =  "mattiaså";
  $result = xslt_process($xh, $xmlUrl, $xslUrl,null,null,$xslt_params);

writes out as "mattias&#0" from the stylesheet <xsl:value-of
select="$test"/>
Anyone know what to do about this? Any help greatly appreciated

Best Regards
---
Mattias Konradsson








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