From 2ea22c1aaa84c27968f74801ffec860419aa2a60 Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Sun, 26 Feb 2017 10:28:24 +0100
Subject: [PATCH] Also cache filetype

The cache currently prevents e.g. that the wordcount() extensions kicks in the
first time you open a help window. Therefore take the filetype into
consideration as well.
---
 plugin/airline.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugin/airline.vim b/plugin/airline.vim
index 53a21b6..8eddcf5 100644
--- a/plugin/airline.vim
+++ b/plugin/airline.vim
@@ -41,7 +41,7 @@ function! s:on_window_changed()
   endif
   " Handle each window only once, since we might come here several times for
   " different autocommands.
-  let l:key = [bufnr('%'), winnr(), winnr('$'), tabpagenr()]
+  let l:key = [bufnr('%'), winnr(), winnr('$'), tabpagenr(), &ft]
   if get(g:, 'airline_last_window_changed', []) == l:key
         \ && &stl is# '%!airline#statusline('.winnr().')'
     return