vimproc.diff

diff --git a/autoload/vimproc.vim b/autoload/vimproc.vim
index bb79a8c..543af50 100644
--- a/autoload/vimproc.vim
+++ b/autoload/vimproc.vim
@@ -884,10 +884,8 @@ function! s:read(...) dict "{{{
   " return s:hd2str([hd])
 endfunction"}}}
 function! s:read_lines(...) dict "{{{
-  let res = self.buffer
-
-  let outs = []
-  while !self.eof && stridx(res, "\n") < 0
+  let outs = [self.buffer]
+  while !self.eof && stridx(outs[-1], "\n") < 0
     let out = call(self.read, a:000, self)
     if out  == ''
       break