1 if exists("*ctags#do") | finish | endif
2 command! -nargs=1 Ctags silent call ctags#do(<f-args>, v:false, v:false)
3 command! -nargs=1 Ctagsv silent call ctags#do(<f-args>, v:true, v:false)
4 command! -nargs=1 Ctagscmd call ctags#do(<f-args>, v:true, v:true)