vimrc

set tabstop=4
set shiftwidth=4
set expandtab

syntax on

nnoremap <F3> :set invpaste paste?<CR>
set pastetoggle=<F3>
set showmode

" mapping to make movements operate on 1 screen line in wrap mode

function! ScreenMovement(movement)
    if &wrap
        return "g" . a:movement
    else
        return a:movement
    endif
endfunction

onoremap <silent> <expr> j ScreenMovement("j")
onoremap <silent> <expr> k ScreenMovement("k")
onoremap <silent> <expr> 0 ScreenMovement("0")
onoremap <silent> <expr> ^ ScreenMovement("")
onoremap <silent> <expr> $ ScreenMovement("$")
nnoremap <silent> <expr> j ScreenMovement("j")
nnoremap <silent> <expr> k ScreenMovement("k")
nnoremap <silent> <expr> 0 ScreenMovement("0")
nnoremap <silent> <expr> ^ ScreenMovement("")
nnoremap <silent> <expr> $ ScreenMovement("$")

augroup mkd
    autocmd BufRead *.mkd  set ai formatoptions=tcroqn2 comments=n:&gt;
augroup END