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-rw-r--r--lib/bigrat.pl8
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/bigrat.pl b/lib/bigrat.pl
index fb436ce570..2d3738f805 100644
--- a/lib/bigrat.pl
+++ b/lib/bigrat.pl
@@ -1,6 +1,12 @@
package bigrat;
require "bigint.pl";
-
+#
+# This library is no longer being maintained, and is included for backward
+# compatibility with Perl 4 programs which may require it.
+#
+# In particular, this should not be used as an example of modern Perl
+# programming techniques.
+#
# Arbitrary size rational math package
#
# by Mark Biggar