diff --git a/doc/.indent.pro b/doc/.indent.pro
new file mode 100644
index 000000000..39ed16dc0
--- /dev/null
+++ b/doc/.indent.pro
@@ -0,0 +1 @@
+-i3 -bl -bad -nbap -sob -ncdb -di20 -nbc -lp -nce -npcs -sc -ncs -l80