diff --git a/io2d.txt → io2d b/io2d.txt → io2d
diff --git a/test_io2d.cpp b/test_io2d.cpp
@@ -0,0 +1,10 @@
+// $HOME/bin/bin/g++ -o test_io2d test_io2d.cpp
+
+// ./test_io2d
+
+#include "io2d"
+
+int
+main()
+{
+}