title: vim-surround, cs command E319: Sorry, the command is not available in this version
body: <p>I tried to execute the cs command for vim-surround. But, unfortunately, I got the E319: Sorry, the command is not available in this version message. I use the vimrc from <a href="http://amix.dk/vim/vimrc.html" rel="nofollow">http://amix.dk/vim/vimrc.html</a></p>
  
  <p>This is my Vim version: </p>
  
  <pre><code>VIM - Vi IMproved 7.3 (2010 Aug 15, compiled Nov 27 2010 19:38:25)
  MacOS X (unix) version
  Included patches: 1-47
  Compiled by dio@Dios-MacBook.local
  Normal version with MacVim GUI.  Features included (+) or not (-):
  -arabic +autocmd +balloon_eval +browse +builtin_terms +byte_offset +cindent +clientserver +clipboard +cmdline_compl
  +cmdline_hist +cmdline_info +comments -conceal +cryptv -cscope +cursorbind +cursorshape +dialog_con_gui +diff +digraphs
   +dnd -ebcdic -emacs_tags +eval +ex_extra +extra_search -farsi +file_in_path +find_in_path +float +folding -footer
  +fork() +fullscreen -gettext -hangul_input +iconv +insert_expand +jumplist -keymap -langmap +libcall +linebreak
  +lispindent +listcmds +localmap -lua +menu +mksession +modify_fname +mouse +mouseshape -mouse_dec -mouse_gpm
  -mouse_jsbterm -mouse_netterm -mouse_sysmouse +mouse_xterm +multi_byte +multi_lang -mzscheme +netbeans_intg +odbeditor
  -osfiletype +path_extra -perl +persistent_undo +postscript +printer -profile -python -python3 +quickfix +reltime
  -rightleft +ruby +scrollbind +signs +smartindent -sniff +startuptime +statusline -sun_workshop +syntax +tag_binary
  +tag_old_static -tag_any_white -tcl +terminfo +termresponse +textobjects +title +toolbar +transparency +user_commands
  +vertsplit +virtualedit +visual +visualextra +viminfo +vreplace +wildignore +wildmenu +windows +writebackup -X11
  -xfontset +xim -xsmp -xterm_clipboard -xterm_save
     system vimrc file: "$VIM/vimrc"
       user vimrc file: "$HOME/.vimrc"
  </code></pre>
  
  <p>Thanks</p>