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diff --git a/src/lib/doslib b/src/lib/doslib
new file mode 160000 (submodule)
index 0000000..3878e85
--- /dev/null
+++ b/src/lib/doslib
@@ -0,0 +1 @@
+Subproject commit 3878e8518dd966eb88c2041b35c7139221de0df5