vim 按tab补全 并取消 “按Enterg确定的提示”

tab补全

function! CleverTab()
    if strpart( getline('.') ,0,col('.')-1) =~'^s*$'
        return "<Tab>"
    else    
        return "<C-N>"
    endif   
endfunction
inoremap <Tab> <C-R>=CleverTab()<CR>

取消提示

set shortmess=a
set cmdheight=2  

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