From c9fb89dd6efdeedb95c411ec78b3a9493602d33d Mon Sep 17 00:00:00 2001
From: Alex Efros <powerman@powerman.name>
Date: Thu, 19 Jan 2012 19:13:59 +0200
Subject: [PATCH] Fix error in :Helptags

Error happens if ~/.vim/doc/ doesn't contain
any files, but contain some subdirectories.
---
 autoload/pathogen.vim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/autoload/pathogen.vim b/autoload/pathogen.vim
index df4f22d..3accbe6 100644
--- a/autoload/pathogen.vim
+++ b/autoload/pathogen.vim
@@ -166,7 +166,7 @@ let s:done_bundles = ''
 function! pathogen#helptags() " {{{1
   let sep = pathogen#separator()
   for dir in pathogen#split(&rtp)
-    if (dir.sep)[0 : strlen($VIMRUNTIME)] !=# $VIMRUNTIME.sep && filewritable(dir.sep.'doc') == 2 && !empty(glob(dir.sep.'doc'.sep.'*')) && (!filereadable(dir.sep.'doc'.sep.'tags') || filewritable(dir.sep.'doc'.sep.'tags'))
+    if (dir.sep)[0 : strlen($VIMRUNTIME)] !=# $VIMRUNTIME.sep && filewritable(dir.sep.'doc') == 2 && !empty(filter(split(glob(dir.sep.'doc'.sep.'*'),"\n>"),'!isdirectory(v:val)')) && (!filereadable(dir.sep.'doc'.sep.'tags') || filewritable(dir.sep.'doc'.sep.'tags'))
       helptags `=dir.'/doc'`
     endif
   endfor