From 470e9870f13830580d1938a2dae1be5b6e43d92a Mon Sep 17 00:00:00 2001
From: Christian Brabandt <cb@256bit.org>
Date: Sun, 20 Aug 2017 22:45:54 +0200
Subject: [PATCH] highlighter: do not consider 0 to be empty

fixes #1531
---
 autoload/airline/highlighter.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/autoload/airline/highlighter.vim b/autoload/airline/highlighter.vim
index 3203764..9dbb82b 100644
--- a/autoload/airline/highlighter.vim
+++ b/autoload/airline/highlighter.vim
@@ -149,7 +149,7 @@ endfunction
 
 function! s:Get(dict, key, prefix)
   let res=get(a:dict, a:key, '')
-  if empty(res)
+  if res is ''
     return ''
   else
     return a:prefix. res