diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..ddef6ec
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "external/liblex"]
+	path = external/liblex
+	url = http://dev.danilafe.com/Experiments/liblex.git
diff --git a/external/liblex b/external/liblex
new file mode 160000
index 0000000..f83f0a1
--- /dev/null
+++ b/external/liblex
@@ -0,0 +1 @@
+Subproject commit f83f0a1bccf1d1e8a1abffc2761c28da7f835b0e