diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..1a0522e
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "commentoplusplus"]
+	path = commentoplusplus
+	url = https://github.com/souramoo/commentoplusplus.git
diff --git a/commentoplusplus b/commentoplusplus
new file mode 160000
index 0000000..48e0f55
--- /dev/null
+++ b/commentoplusplus
@@ -0,0 +1 @@
+Subproject commit 48e0f55828baad5e10a0fbd97fb6fe83ff62e93f