! Copyright (C) 2007 Chris Double.
-! See http://factorcode.org/license.txt for BSD license.
+! See https://factorcode.org/license.txt for BSD license.
USING: math.parser multiline peg.ebnf strings ;
IN: peg.pl0
-! Grammar for PL/0 based on http://en.wikipedia.org/wiki/PL/0
+! Grammar for PL/0 based on https://en.wikipedia.org/wiki/PL/0
EBNF: pl0 [=[