I was using it to transform DocBook XML into LaTeX, based on an existing tool that used xslt code to do just that (https://sourceforge.net/projects/dblatex/). We had to modify the existing xslt code to allow for enhancements to DocBook that accommodated some linguistic structures (like interlinear text). So yes, we were using it for exactly the right thing: transforming XML.

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xyz_opinion a day ago | parent [-]

yes, transforming xml. and it was useful. great!

edit: zomg mcswell I see you're the person I was replying to in the first place, to this absurd comment:

"First, who decided that XML was a good format to write a programming language in? Punch cards would have been better"

I mean come on.

	▲	mcswell 3 hours ago \| parent [-]
		I stand by my comment; apparently you don't recognize hyperbole when you see it. At any rate, there's absolutely no reason for a command in any programming language to require open and close XML tags: it's a waste of space, and just gets in the way of understanding the program,. If you need to close a command, there are things like {}, semicolons, parens (LISP), exdenting (Python), or even--yes--the 80th column in a punch card.