anchor.diff:            let g:NERDTreeDirArrowExpandable = '▸'
             let g:NERDTreeDirArrowCollapsible = '▾'
   
  +          autocmd StdinReadPre * let s:std_in=1
  +          autocmd VimEnter * if argc() == 0 && !exists("s:std_in") | NERDTree | endif
             map <C-\> :NERDTreeToggle<CR>
   
             autocmd BufWritePost * GitGutter
  
positive.code:           set tabstop=4 shiftwidth=4 expandtab softtabstop=4
  
            let loaded_matchit = 1
  
            nmap <PageUp> 10<up>
            imap <PageUp> <esc>10<up>i
  
negative.code:             filetype plugin indent on
            endif
  
            set clipboard=unnamedplus
  
            set number
            set mouse=a
  
            set colorcolumn=80
  
            function TrimEndLines()
              let save_cursor = getpos(".")
              :silent! %s#\($\n\s*\)\+\%$##
              call setpos('.', save_cursor)
            endfunction
  
            if &binary == 0
              au BufWritePre <buffer> call TrimEndLines()
            endif
            set fixendofline
  
            autocmd FileType markdown set spell spelllang=en_us
  
  