diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..a8e9e29
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,3 @@
+# Auto detect text files and perform LF normalization
+* text=auto
+*.dta linguist-language=Common-Lisp