Index: vim/vimrc
==================================================================
--- vim/vimrc
+++ vim/vimrc
@@ -16,20 +16,24 @@
 	source $VIMRUNTIME/defaults.vim
 else
 	source $VIMRUNTIME/vimrc_example.vim
 endif
 set backup
-set undofile
+if v:version >= 703
+	set undofile
+end
 set hlsearch
 
 set t_Co=256
 set background=dark
 let g:inkpot_black_background=1
 colorscheme inkpot
 
 set cinoptions=+4,(4,u4,w4
-set colorcolumn=81
+if v:version >= 703
+	set colorcolumn=81
+end
 highlight ColorColumn ctermbg=235
 let c_space_errors=1
 set ignorecase
 set smartcase
 set modeline