>>Hi,
>>
>>is that possible with lucene to use umlaut normalisation?
>>For example Query: H�hnerstall --> Query: Huehnerstall.

Just a comment, I'm not really answering the questions you ask.

I assume you can manipulate your query to remove the significance of
accented characters when doing searches such that H�hnerstall would find
Huhnerstall. 
I achieved this process by removing accents in my searchString and making
sure that the analyzer indexes the document with replacing accents as well.

>>
>>
>>This ofcause includes that the document was indexed with normalized
umlauts. This issue is very important, because not every one starting a
search 
>>against german documents may have a german keyboard.
>>
>>This brings me to the next problem. Currently only Luke delivers result
for "H�hnerstall", my selfed implemented solution allways makes
"huhnerstall" 
>>out of it in the query (Why?). But ther is no "huhnerstall" indexed.
>>
>>regards Thomas

Regards,
Kiran

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