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-rw-r--r--tests/yee_compare.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/tests/yee_compare.cpp b/tests/yee_compare.cpp
index e135b9c..9de4720 100644
--- a/tests/yee_compare.cpp
+++ b/tests/yee_compare.cpp
@@ -1,3 +1,4 @@
+// modified from PerceptualDiff source for OpenSCAD, 2011 September
#include "yee_compare.h"
#include "lodepng.h"
contact: Jan Huwald // Impressum