! Copyright (c) 2012 Anonymous
-! See http://factorcode.org/license.txt for BSD license.
+! See https://factorcode.org/license.txt for BSD license.
USING: backtrack kernel prettyprint sequences splitting ;
IN: rosetta-code.amb
-! http://rosettacode.org/wiki/Amb
+! https://rosettacode.org/wiki/Amb
! Define and give an example of the Amb operator.