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-rw-r--r--METALICENSE6
1 files changed, 5 insertions, 1 deletions
diff --git a/METALICENSE b/METALICENSE
index ce50a8ee..89614d9c 100644
--- a/METALICENSE
+++ b/METALICENSE
@@ -1,4 +1,4 @@
-Copyright (C) 2009-2020, Kaz Kylheku <kaz@kylheku.com>.
+Copyright (C) 2009-2021, Kaz Kylheku <kaz@kylheku.com>.
All rights reserved.
The document named LICENSE specifies the license for the TXR program,
@@ -29,6 +29,10 @@ and md5.h files. The permission is compatible with the BSD license,
as it allows unfettered redistribution and use, without any advertizing
clauses.
+SHA-256 routines used in TXR are derived from code which is
+Copyright 2005 Colin Percival, and available under the same two-clause
+BSD license as TXR.
+
TXR ships with files (y.tab.c, y.tab.h) generated from the file parser.y using
GNU Bison. The source file parser.y is the original work of Kaz Kylheku, and
licensed under the same terms as the rest of TXR. The generated files contain