doc: Add a modeline to ikiwiki.setup

diff --git a/doc/ikiwiki.setup b/doc/ikiwiki.setup
index 77340ec..bb3407c 100644 (file)
--- a/doc/ikiwiki.setup
+++ b/doc/ikiwiki.setup
@@ -1,3 +1,4 @@
+# -*- mode: yaml -*-
 # IkiWiki::Setup::Yaml - YAML formatted setup file
 #
 # Setup file for ikiwiki.
@@ -71,4 +72,4 @@ hardlink: '0'
 usedirs: '0'
 
 # Do not try to compile dest/
-exclude: ^dest
\ No newline at end of file
+exclude: ^dest