我正在浏览一个 .vimrc 文件，那里的所有内容都是这样写的：-
" Better copy & paste
" When you want to paste large blocks of code into vim, press F2 before you
" paste. At the bottom you should see ``-- INSERT (paste) --``.
"" set pastetoggle=<F2>
"" set clipboard=unnamed
" Mouse and backspace
"" set mouse=a " on OSX press ALT and click
"" set bs=2 " make backspace behave like normal again
" Rebind <Leader> key
" I like to have it here becuase it is …