From 4e2cc582e1dd309d6f5ff14f2dc23cfa32aebd72 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Hannes=20K=C3=B6rber?= <hannes@hkoerber.de>
Date: Sun, 15 Sep 2013 21:04:27 +0200
Subject: [PATCH] Vim now automatically removes trailing whitespace.

---
 vim/vimrc | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/vim/vimrc b/vim/vimrc
index c7e9fc7..5435c9d 100644
--- a/vim/vimrc
+++ b/vim/vimrc
@@ -72,3 +72,15 @@ set shiftround            " always indent/outdent to the nearest tabstop
 set expandtab             " use spaces instead of tabs
 set smarttab              " use tabs at the start of a line, spaces elsewhere
 set nowrap                " don't wrap text
+
+match ErrorMsg '\s\+$'    " mark trailing whitespace
+
+" Removes trailing spaces
+function! TrimWhiteSpace()
+     %s/\s\+$//e
+     endfunction
+
+autocmd FileWritePre    * :call TrimWhiteSpace()
+autocmd FileAppendPre   * :call TrimWhiteSpace()
+autocmd FilterWritePre  * :call TrimWhiteSpace()
+autocmd BufWritePre     * :call TrimWhiteSpace()