+" Convenient command to see the difference between the current buffer and the
+" file it was loaded from, thus the changes you made. Thanks to the
+" vimrc_example.vim file in Vim's source. Modified to use the same filetype
+" for the diffed file than the filetype for the original file.
+ if !exists(":DiffOrig")
+ command DiffOrig
+ \ let s:diff_orig_filetype = &filetype
+ \ | vertical new
+ \ | let &filetype = s:diff_orig_filetype
+ \ | unlet s:diff_orig_filetype
+ \ | set buftype=nofile
+ \ | read ++edit #
+ \ | 0d_
+ \ | diffthis
+ \ | wincmd p
+ \ | diffthis
+ endif