我的VIM配置文件

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if v:lang =~ "utf8$" || v:lang =~ "UTF-8$"
   set fileencodings=utf-8,latin1
endif
set nu
set autoindent
syntax on
set tabstop=4  " Set default tab width to 4, default is 8
set nocompatible " Use Vim defaults (much better!)
set bs=2  " allow backspacing over everything in insert mode
"set ai   " always set autoindenting on
"set backup  " keep a backup file
set viminfo='20,\"50 " read/write a .viminfo file, don't store more
   " than 50 lines of registers
set history=50  " keep 50 lines of command line history
set ruler  " show the cursor position all the time
" Only do this part when compiled with support for autocommands
if has("autocmd")
  " In text files, always limit the width of text to 78 characters
  autocmd BufRead *.txt set tw=78
  " When editing a file, always jump to the last cursor position
  autocmd BufReadPost *
  \ if line("'\"") > 0 && line ("'\"") <= line("$") |
  \   exe "normal! g'\"" |
  \ endif
endif
if has("cscope") && filereadable("/usr/bin/cscope")
   set csprg=/usr/bin/cscope
   set csto=0
   set cst
   set nocsverb
   " add any database in current directory
   if filereadable("cscope.out")
      cs add cscope.out
   " else add database pointed to by environment
   elseif $CSCOPE_DB != ""
      cs add $CSCOPE_DB
   endif
   set csverb
endif
" Switch syntax highlighting on, when the terminal has colors
" Also switch on highlighting the last used search pattern.
if &t_Co > 2 || has("gui_running")
  syntax on
  set hlsearch
endif