>>Benefit #1: Portability > You know that a technology has got serious problems when the best thing you can say about it is "well, it is at least preinstalled

>>Benefit #1: Portability > You know that a technology has got serious problems when the best thing you can say about it is "well, it is at least preinstalled everywhere"! ... plus it's not even true. For any collection of XSL stylesheets, representing any kind of real world complexity, the chances you can port them as-is from A to B is highly dependent on which XSLT features were used (1.0, 2.0 and now 3.0 ), what the XSL processor supports plus "host" framework idiosyncrasies ( Java, .NET, PHP ( http://php.net/manual/en/xsltprocessor.registerphpfunctions.php http://php.net/manual/en/xsltprocessor.registerphpfunctions.... ! , etc. ).