diff --git a/fz/catalog.pl b/fz/catalog.pl
new file mode 100644
index 0000000..e624fc3
--- /dev/null
+++ b/fz/catalog.pl
@@ -0,0 +1,6 @@
+% == No, Emacs this is -*-Prolog-*- code, not what you thought... =============
+
+% -- catalog of FlatZinc constraints ------------------------------------------
+
+fzc(int_lin_ne(COEF, VARS, CONST)) -->
+    [ ].
--
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