I have to say that I've never considered using an XML for a DSL. Most of the reasons I've written DSLs usually involve a desire to avoid writing more code. Th

I have to say that I've never considered using an XML for a DSL. Most of the reasons I've written DSLs usually involve a desire to avoid writing more code. The closest I've come to writing an XML-like DSL are the many Lisp-lites that I've hacked up over the years. Most of the rest are either Forthish languages (if it's primarily for my use to avoid writing large quantities of Java, C*, Haskell, etc.) or rough "business natural language" DSLs for power users who want to tweak a process, object, or flow. In general, I wouldn't even consider XML as a DSL unless I broaden my idea of a "DSL" to mean "any representation of a state or set of operations used by a computer," in which case I've written a lot of XSDs for machine-generated documents, such as serialized objects, messages to be placed on ESBs or queues, etc. But I do not think this article pertains to that sort of "language" either.