Flutterby™! :

A great comparison between the two camps of XML. One camp thinks it should be a data interchange language, the other camp thinks it ought to be a markup language. My opinion: It's a mediocre data interchange language which, for most of the applications it's being used for, would be much better served by something else, often by just a text file described on another channel. As a markup language it's okay, although I really wish all the energy being devoted to building tools for it were being put toward a richer language. But I guess if I just admit that we'll always have to have tools to manipulate it, then Perl will let me tolerate it.