[NTG-context] seeindex: accents and such

Dear all, I have some minor problems with \seeindex It seems that it does not render accents properly nor is it possible to introduce commands. Is this an intended behavior, am I doing something wrong or is there a bug? Cheers, Andreas Minimal example: \setupregister[index] [ style={\bf\WORD}, balance=yes ] \starttext % seeindex does not render ssharp properly Wei{\ssharp}wurst\index{Wei{\ssharp}wurst}\seeindex{German sausage}{Wei{\ssharp}wurst} % same holds for accents M\"unchner Wei{\ssharp}bier\index{M\"unchner Wei{\ssharp}bier}\seeindex{good beer}{M\"unchner Wei{\ssharp}bier} % switching font style {\sc Test}\index[Test]{\sc Test}\seeindex[Test]{Testing}{\sc Test} \completeindex \stoptext