Right margin in Vim

Is there any way to make Vim/gVim highlight the right-margin at the current document? I have just begun to work with Vim for a while and I found it annoyed without the right-margin at column 80.

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Vim 7.3 introduced colorcolumn.

:set colorcolumn=80

It may be easier for you to remember the short form.

:set cc=80

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There is no simple way to visualize vertical edge of the textwidth -margin (in Vim 7.2 and earlier). However, one can highlight all characters beyond the 80 columns limit using the :match command.

:match ErrorMsg /%>80v.+/

So, the general solution is to use the following auto-command.

:autocmd BufWinEnter * call matchadd('ErrorMsg', '%>'.&l:textwidth.'v.+', -1)

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我在.vimrc中编写了一个vimscript函数，当按下按钮时，切换颜色列，8（逗号后跟8，其中逗号是用户定义命令的定义领导者，而8是我的助记键，第80列）：

" toggle colored right border after 80 chars
set colorcolumn=81
let s:color_column_old = 0

function! s:ToggleColorColumn()
    if s:color_column_old == 0
        let s:color_column_old = &colorcolumn
        windo let &colorcolumn = 0
    else
        windo let &colorcolumn=s:color_column_old
        let s:color_column_old = 0
    endif
endfunction

nnoremap <Leader>8 :call <SID>ToggleColorColumn()<cr>

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