diff --git a/..gitignore.un~ b/..gitignore.un~
new file mode 100644
index 0000000..9ba0a5f
Binary files /dev/null and b/..gitignore.un~ differ
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..28285fe
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.dem