dump.vimrc

function! UseBookMode()
    LivedownPreview
    Goyo
    IndentLinesDisable
    Limelight
    g:saving_at_every_edit = 0
    call ToggleSaveEveryEdit()
    set linebreak
    set wrap
    nnoremap j gj
    nnoremap k gk
    " add a note
    let @i = '?note-index
2f-lyt"a<a name="note-content-pyiwA" href="#note-index-pA"><sup>pA</sup></a>Go</p><a name="note-index-pA" href="#note-content-pA">pa</a>: </p>Bi'
endfunction
nnoremap <leader>nb :call UseBookMode()<cr>

let g:saving_at_every_edit = 0
function! ToggleSaveEveryEdit()
  if g:saving_at_every_edit == 0
    let g:saving_at_every_edit = 1
    augroup SaveAtEveryEdit
      au TextChanged,TextChangedI <buffer> silent write
    augroup END 
  else
    let g:saving_at_every_edit = 0
    " delete group
    au! SaveAtEveryEdit
  endif
endfunction
nnoremap <leader>ss :call ToggleSaveEveryEdit()<cr>