Use {<enter> instead of {{ (Thanks to linopolus)

https://github.com/jiangmiao/auto-pairs/issues/1

Add Toggle key
Add Options
  g:AutoPairsShortcutToggle
  g:AutoPairsMapBS
  g:AutoPairsMapCR
  g:AutoPairsCenterLine

README.md

@@ -18,9 +18,9 @@ Features
     input: foo[<BS>
     output: foo
 
-### Double input open brackets will insert new indented line.
+### Insert new indented line after Return
 
-    input: {{
+    input: {|} (press <CR> at |)
     output: {
         |
     }
@@ -35,12 +35,33 @@ Features
     input: "\'
     output: "\'"
 
+
+Shortcuts
+---------
+
+    System Shortcuts:
+        <CR>  : Insert new indented line after return if cursor in blank brackets or quotes.
+        <BS>  : Delete brackets in pair
+        <M-p> : Toggle Autopairs
+
+    Optional Shortcuts:
+    could be turn off by let g:AutoPairsShortcuts = 0
+        <M-n> jump to next closed bracket.
+        <M-a> jump to end of line.
+        <M-o> jump to newline with indented.
+
 Options
 -------
 *   g:AutoPairs
 
         Default: {'(':')', '[':']', '{':'}',"'":"'",'"':'"'}
 
+*   g:AutoPairsShortcutToggle
+
+        Default: '<M-p>'
+
+        The shortcut to toggle autopairs.
+
 *   g:AutoPairsShortcuts 
 
         Default: 1 
@@ -50,6 +71,26 @@ Options
         <M-a> jump to end of line.
         <M-o> jump to newline with indented.
 
+*   g:AutoPairsMapBS
+
+        Default : 1
+
+        Map <BS> to delete brackets, quotes in pair
+        execute 'inoremap <buffer> <silent> <BS> <C-R>=AutoPairsDelete()<CR>'
+
+*   g:AutoPairsMapCR
+
+        Default : 1
+
+        Map <CR> to insert a new indented line if cursor in (|), {|} [|], '|', "|"
+        execute 'inoremap <buffer> <silent> <CR> <C-R>=AutoPairsReturn()<CR>'
+
+*   g:AutoPairsCenterLine
+
+        Default : 1
+
+        When g:AutoPairsMapCR is on, center current line after return if the line is at the bottom 1/3 of the window.
+
 TroubleShooting
 ---------------
     The script will remap keys ([{'"}]) <BS>, 

plugin/auto-pairs.vim

@@ -1,7 +1,8 @@
 " Insert or delete brackets, parens, quotes in pairs.
 " Maintainer:	JiangMiao <jiangfriend@gmail.com>
-" Last Change:  2011-05-22
+" Last Change:  2011-06-07
-" Version: 1.0.1
+" Version: 1.0.2
+" Homepage: http://www.vim.org/scripts/script.php?script_id=3599
 " Repository: https://github.com/jiangmiao/auto-pairs
 
 if exists('g:AutoPairsLoaded') || &cp
@@ -21,15 +22,40 @@ if !exists('g:AutoPairs')
   let g:AutoPairs = {'(':')', '[':']', '{':'}',"'":"'",'"':'"'}
 end
 
+if !exists('g:AutoPairsMapBS')
+  let g:AutoPairsMapBS = 1
+end
+
+if !exists('g:AutoPairsMapCR')
+  let g:AutoPairsMapCR = 1
+end
+
+if !exists('g:AutoPairsCenterLine')
+  let g:AutoPairsCenterLine = 1
+end
+
+if !exists('g:AutoPairsShortcutToggle')
+  let g:AutoPairsShortcutToggle = '<M-p>'
+end
+
 let g:AutoPairsClosedPairs = {}
 
 
 
 function! AutoPairsInsert(key)
+  if !b:autopairs_enabled
+    return a:key
+  end
+
   let line = getline('.')
   let prev_char = line[col('.')-2]
   let current_char = line[col('.')-1]
 
+  let eol = 0
+  if col('$') -  col('.') <= 1
+    let eol = 1
+  end
+
   " Ignore auto close if prev character is \
   if prev_char == '\'
     return a:key
@@ -52,12 +78,6 @@ function! AutoPairsInsert(key)
     return "\<Right>"
   end
 
-
-  " Auto return only if open and close is same
-  if prev_char == open && open != close
-    return "\<CR>\<ESC>==O"
-  end
-
   return open.close."\<Left>"
 endfunction
 
@@ -86,12 +106,24 @@ function! AutoPairsJump()
   call search('[{("\[\]'')}]','W')
 endfunction
 
+" Fast wrap the word in brackets
+" Haven't finished yet
 function! AutoPairsExtend()
   let line = getline('.')
   let current_char = line[col('.')-1]
+  let next_char = line[col('.')]
+
 
   if has_key(g:AutoPairsClosedPairs, current_char)
-    return "\<ESC>lxh:call AutoPairsJump(line('.'))\<CR>pi"
+    if has_key(g:AutoPairs, next_char)
+      let open = next_char
+      let close = g:AutoPairs[next_char]
+      let quote_pattern = '(?:\\\|\"\|[^"])*'
+      echoe 'search pair '.open.' '.close
+      call searchpair(open, '', close, 'W')
+    end
+    execute "normal! a".current_char."\<LEFT>"
+    return ''
   end
 
   return ''
@@ -101,7 +133,33 @@ function! AutoPairsMap(key)
     execute 'inoremap <buffer> <silent> '.a:key.' <C-R>=AutoPairsInsert("\'.a:key.'")<CR>'
 endfunction
 
+function! AutoPairsToggle()
+  if b:autopairs_enabled
+    let b:autopairs_enabled = 0
+    echo 'AutoPairs Disabled.'
+  else
+    let b:autopairs_enabled = 1
+    echo 'AutoPairs Enabled.'
+  end
+  return ''
+endfunction
+
+function! AutoPairsReturn()
+  let line = getline('.')
+  let prev_char = line[col('.')-2]
+  let cmd = ''
+  let cur_char = line[col('.')-1]
+  if has_key(g:AutoPairs, prev_char) && g:AutoPairs[prev_char] == cur_char
+    if g:AutoPairsCenterLine && winline() * 1.5 >= winheight(0)
+      let cmd = ";\<C-O>zz\<DEL>"
+    end
+    return "\<CR>\<C-O>O".cmd
+  end
+  return "\<CR>"
+endfunction
+
 function! AutoPairsInit()
+  let b:autopairs_enabled = 1
   for [open, close] in items(g:AutoPairs)
     call AutoPairsMap(open)
     if open != close
@@ -109,8 +167,17 @@ function! AutoPairsInit()
     end
     let g:AutoPairsClosedPairs[close] = 1
   endfor
-  execute 'inoremap <buffer> <silent> <BS> <C-R>=AutoPairsDelete()<CR>'
 
+  if g:AutoPairsMapBS
+    execute 'inoremap <buffer> <silent> <BS> <C-R>=AutoPairsDelete()<CR>'
+  end
+
+  if g:AutoPairsMapCR
+    execute 'inoremap <buffer> <silent> <CR> <C-R>=AutoPairsReturn()<CR>'
+  end
+
+  execute 'inoremap <buffer> <silent> '.g:AutoPairsShortcutToggle.' <C-R>=AutoPairsToggle()<CR>'
+  execute 'noremap <buffer> <silent> '.g:AutoPairsShortcutToggle.' :call AutoPairsToggle()<CR>'
   " If the keys map conflict with your own settings, delete or change them
   if g:AutoPairsShortcuts
     execute 'inoremap <buffer> <silent> <M-n> <ESC>:call AutoPairsJump()<CR>a'
@@ -120,4 +187,4 @@ function! AutoPairsInit()
   end
 endfunction
 
-au BufRead,BufNewFile * :call AutoPairsInit()
+au BufRead,BufNewFile,BufCreate * :call AutoPairsInit()