diff --git a/lib/datalib.php b/lib/datalib.php
index 8449c94c988..dd28271a69f 100644
--- a/lib/datalib.php
+++ b/lib/datalib.php
@@ -1078,4 +1078,5 @@ function print_object($object) {
 
 
 
+// vim:autoindent:expandtab:shiftwidth=4:tabstop=4:tw=140:
 ?>
diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index f34b78f4a1a..abc6e347d8c 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -1347,4 +1347,5 @@ function draw_rand_array($array, $draws) {
 } 
 
 
+// vim:autoindent:expandtab:shiftwidth=4:tabstop=4:tw=140:
 ?>
diff --git a/lib/weblib.php b/lib/weblib.php
index 903d62ed9ee..4b80b03de05 100644
--- a/lib/weblib.php
+++ b/lib/weblib.php
@@ -1155,4 +1155,5 @@ function notify ($message, $color="red", $align="center") {
 }
 
 
+// vim:autoindent:expandtab:shiftwidth=4:tabstop=4:tw=140:
 ?>