add original source repository
diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..cb8a760
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "xorg-ibm-type1"]
+ path = xorg-ibm-type1
+ url = https://gitlab.freedesktop.org/xorg/font/ibm-type1.git
diff --git a/xorg-ibm-type1 b/xorg-ibm-type1
new file mode 160000
index 0000000..88a51da
--- /dev/null
+++ b/xorg-ibm-type1
@@ -0,0 +1 @@
+Subproject commit 88a51daabc8a5bf2dbb2ace89c638058b01b3cf3