Improvements to vimrc for markdown handling

.vimrc

@@ -1,7 +1,6 @@
 " ntnsndr's vim settings
 
 " Basics
-syntax on
 set noerrorbells
 set notermguicolors
 set autoread
@@ -19,6 +18,11 @@ highlight FoldColumn ctermbg=NONE
 autocmd FileType markdown setlocal linebreak
 autocmd FileType markdown noremap j gj
 autocmd FileType markdown noremap k gk
+autocmd FileType markdown inoremap <buffer> <Down> <C-o>gj
+autocmd FileType markdown inoremap <buffer> <Up> <C-o>gk
+
+" Turn on engines after filetype commands
+syntax on
 
 " Tabs
 set tabstop=4