Tracked down the syntax highlighting config file for KDE's Kate Editor to colorize Prolog code

General
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This is rather intimidating. It’s not parsing Prolog, just looking for recognizable blocks of syntax. Dayum!

https://cgit.kde.org/syntax-highlighting.git/tree/data/syntax/prolog.xml

This made me laugh:

	<!-- These are in fact bogus, DO NOT USE them and bug the ISO standard
	commitee to abandon char_conversion/2 and to apply common sense to the
	semantics of include/1 and ensure_loaded/1, i.e. to handle recursion.
	Bomb them w/ e-mails! It's not the purpose of a standard to fixate
	errors till eternity. -->