From 561cb901d150aff29da15ab8a0cddadecd763bdd Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Wed, 16 Sep 2015 23:38:42 +0900
Subject: [PATCH] [Helptags] Remove duplicate tags

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

diff --git a/autoload/fzf/vim.vim b/autoload/fzf/vim.vim
index 57e6940..c832820 100644
--- a/autoload/fzf/vim.vim
+++ b/autoload/fzf/vim.vim
@@ -564,7 +564,7 @@ function! s:helptag_sink(line)
 endfunction
 
 function! fzf#vim#helptags(...)
-  let tags = split(globpath(&runtimepath, '**/doc/tags'), '\n')
+  let tags = uniq(sort(split(globpath(&runtimepath, '**/doc/tags'), '\n')))
 
   call s:fzf({
   \ 'source':  "grep -H '.*' ".join(map(tags, 'shellescape(v:val)')).