====== Vim Keyboard Moving ======
  * 현재 키보드 위치의 화면이동
    * ''zz'' : 화면 가운데로
    * ''zt'' : 화면 맨 위로
    * ''zb'' : 화면 맨 아래로
  * 내 커서 위치를 항상 가운데로 유지. 999값을 매우 큰 값으로 바꿔준다.<code>
:let &scrolloff=999-&scrolloff
</code>

===== Vim Toggle Movement =====
[[http://ddrscott.github.io/blog/2016/vim-toggle-movement/|Vim Toggle Movement: I Just Want to Go Home - @_ddrscott_]]
<code>
function! ToggleMovement(firstOp, thenOp)
  let pos = getpos('.')
  execute "normal! " . a:firstOp
  if pos == getpos('.')
    execute "normal! " . a:thenOp
  endif
endfunction

" The original carat 0 swap
nnoremap <silent> 0 :call ToggleMovement('^', '0')<CR>

" How about ; and ,
nnoremap <silent> ; :call ToggleMovement(';', ',')<CR>
nnoremap <silent> , :call ToggleMovement(',', ';')<CR>

" How about H and L
nnoremap <silent> H :call ToggleMovement('H', 'L')<CR>
nnoremap <silent> L :call ToggleMovement('L', 'H')<CR>

" How about G and gg
nnoremap <silent> G :call ToggleMovement('G', 'gg')<CR>
nnoremap <silent> gg :call ToggleMovement('gg', 'G')<CR>
</code>