In addition, several XSL files are deployed to the Web front-end server and are referenced by SharePoint blog sites, lists, and libraries, specifically at the following location:
%SystemDrive%\Program Files\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\LAYOUTS\XSL
• Blog.xsl, which is used by the post summary XLV on the home (default) page of blog sites
• Thread.xsl, which is used by Discussion lists
Web front-end XSLT files are the uncustomized XSLT files that are referenced globally by all XLVs throughout a SharePoint 2010 deployment. It’s important to note that ...