我不是Ctrl-n的大粉丝，我想要能够使用Ctrl-Space。任何想法如何我可以做到这一点？
if has("gui_running")
" C-Space seems to work under gVim on both Linux and win32
inoremap <C-Space> <C-n>
else " no gui
if has("unix")
inoremap <Nul> <C-n>
else
" I have no idea of the name of Ctrl-Space elsewhere
endif
endif
