From efba28621cc2c3e93a750a1150c4a08170d56a65 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Sun, 22 Sep 2013 17:42:27 -0400
Subject: Only warn if input and output files are equal.

---
diff --git a/src/ssic.pl b/src/ssic.pl
index 285c20f..750c77b 100644
--- a/src/ssic.pl
+++ b/src/ssic.pl
@@ -112,7 +112,7 @@ sub compile
 	my $var_value;
 
 	if ($input eq $output and $input ne "-") {
-		error(4, "Input and output files are equal\n");
+		warning("Input and output files are equal\n");
 	}
 
 	if ($input eq "-") {
--
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