> I am using Httrack from couple of months  but recently 
> when i try to download XSL tutorial from www.w3schools.com
> It miss file type  of XSL extension. I also include 
these  
> files by using +*.XSL in scal rule tab, but it is still 
> not downloading files of these extensions. Is I missing  
> any step. Please tell me.

Err, are thr xsl files transmitted, or mixed on-the-fly to 
form a html page with the xml data? Some browsers may 
accept xml format, but not (yet) httrack ; this might be 
why you can't get those files?
The other solution might be some evil javascript around 
there