"line number
set nu
"code fold
"enable manual fold
set foldmethod=manual
"use space to open or close fold
nnoremap <space> @=((foldclosed(line('.')) < 0) ? 'zc' : 'zo')<CR>
" mkview remember fold
" loadview reshow fold
" num1,num2fo create fold
set cursorline
highlight OverLength ctermbg=red ctermfg=white guibg=#592929
match OverLength /\%81v.+/
set ts=4
set expandtab
%retab!