1 files changed, 1 insertions, 1 deletions

diff --git a/.gitignore b/.gitignore
index fb8160e..de525c3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,5 @@
 *~
+*.bak
 \#*.thy#
 \#*.ML#
-Test.thy