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						set expandtab       "Use softtabstop spaces instead of tab characters for indentation set shiftwidth=4    "Indent by 4 spaces when using >>, <<, == etc. set softtabstop=4   "Indent by 4 spaces when pressing <TAB> set autoindent      "Keep indentation from previous line set smartindent     "Automatically inserts indentation in some cases set cindent         "Like smartindent, but stricter and more customisable  | 
					
 tabstop : 一个tab等于多少个空格 […]
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