some .vimrc settings

.vimrc

hi comment ctermfg=grey

if has("syntax")
  syntax on
endif

if has("autocmd")
  au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif
endif

if has("autocmd")
  filetype plugin indent on
endif

set runtimepath=~/.vim,/var/lib/vim/addons,/usr/share/vim/vimfiles,/usr/share/vim/vim81,/usr/share/vim/vimfiles/after,/var/lib/vim/addon
s/after,~/.vim/after

set compatible

set backspace=indent,eol,start

set history=50

set ruler

if &term =~ "xterm-debian" || &term =~ "xterm-xfree86"
  set t_Co=16
  set t_Sf=m
  set t_Sb=m
endi

if has("autocmd")
    if has('gui')
    function! <SID>MapExists(name, modes)
        for mode in split(a:modes, '\zs')
            if !empty(maparg(a:name, mode))
            return 1
        endif
        endfor
        return 0
    endfunction
        autocmd GUIEnter * if !<SID>MapExists("<S-Insert>", "nvso") | execute "map <S-Insert> <MiddleMouse>" | endif
        autocmd GUIEnter * if !<SID>MapExists("<S-Insert>", "ic") | execute "map! <S-Insert> <MiddleMouse>" | endif
    endif
endif


if filereadable("/etc/papersize")
    let s:papersize = matchstr(readfile('/etc/papersize', '', 1), '\p*')
    if strlen(s:papersize)
        exe "set printoptions+=paper:" . s:papersize
    endif
endif