[Zope] How to catalog ExtFile objects with TextIndexNG2?

[Chris Withers]

nicogrubert at arcor.de wrote:
> 
> TextIndexNG2 works fine if I index objects of type 'File' (e.g. PDF documents) into my 
> ZCatalog 'DZCatalog' using the "Find and Catalog" Tab of the ZCatalog. But when I try to index 'ExtFile' objects (for a quick test I was using the "Find and Catalog" Tab of the ZCatalog) I am prompted with a "Save as" Window to save the found ExtFile to my local hard drive. 

You should probably try and figure out what's going on here.
I suspect ExtFile does something weird when ZCatalog tries to index an 
ExtFile.

Chris

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