2 files changed, 1 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
index 62f9fdd..15c3569 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 doc/build/**
 **/*~
 **/*.swp
+!**/*.pdf
diff --git a/doc/build/pdi.pdf b/doc/build/pdi.pdf
new file mode 100644
index 0000000..811c5c6
--- /dev/null
+++ b/doc/build/pdi.pdf