Date: Jan. 26, 2000
Link: http://msdn.microsoft.com/downloads/webtechnology/xml/xslisapi.asp
Source Author or Organization: Microsoft Corporation

The Microsoft XSL ISAPI Extension enables several features when used installed on an IIS server, including: the automatic execution of XSL style sheets on the server, choosing alternate style sheets based on browser type, style-sheet caching for improved server performance, the capability to specify output encodings, and customizable error messages. This product is being made available as a technology preview with full source code. (Note: version 1.0 was not publicly released.)