From 5ced4c0bda916e7e74dc40129991885be1769eef Mon Sep 17 00:00:00 2001
From: syngan <syn3gan@gmail.com>
Date: Fri, 6 Sep 2013 23:45:42 +0900
Subject: [PATCH] fix s:validate()

---
 autoload/ref.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/autoload/ref.vim b/autoload/ref.vim
index a3895fc..3abf4be 100644
--- a/autoload/ref.vim
+++ b/autoload/ref.vim
@@ -710,7 +710,7 @@ function! s:validate(source, key, type)
     throw 'ref: Invalid source: Without key ' . string(a:key)
   elseif type(a:source[a:key]) != s:T[a:type]
     throw 'ref: Invalid source: Key ' . key . ' must be ' . a:type . ', ' .
-    \     'but given value is' string(a:source[a:key])
+    \     'but given value is' . string(a:source[a:key])
   endif
 endfunction