diff --git a/svg01.h b/svg01.h
new file mode 100644
index 0000000..5e3353c
--- /dev/null
+++ b/svg01.h
@@ -0,0 +1,5 @@
+#pragma once
+#include <vector>
+
+void
+show_histogram_svg(const std::vector<size_t>& bins);