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+############################################################################
+#
+# File: repro.icn
+#
+# Subject: Program to self-reproduce
+#
+# Author: Kenneth Walker
+#
+# Date: August 4, 2000
+#
+############################################################################
+#
+# This file is in the public domain.
+#
+############################################################################
+#
+# This program generates the shortest known self-reproducing Icon
+# program. The generated program is identical to this file except
+# for deletion of this header and the "global x" declaration, which
+# appear here so that the Icon library builds cleanly.
+#
+############################################################################
+
+global x
+
+procedure main();x:="procedure main();x:= \nx[21]:=image(x);write(x);end"
+x[21]:=image(x);write(x);end