diff --git a/TUTORIAL b/TUTORIAL
index 66b0860..ad46041 100644
--- a/TUTORIAL
+++ b/TUTORIAL
@@ -83,7 +83,7 @@ Tutorial of zencoding.vim
   	<li class="list3"></li>
   </ul>
   ---------------------
-  and type 'J'
+  and type '<c-y>m'
   ---------------------
   <ul>
   	<li class="list1"></li><li class="list2"></li><li class="list3"></li>
diff --git a/autoload/zencoding.vim b/autoload/zencoding.vim
index 5e9376b..682b57d 100644
--- a/autoload/zencoding.vim
+++ b/autoload/zencoding.vim
@@ -1,7 +1,7 @@
 "=============================================================================
 " zencoding.vim
 " Author: Yasuhiro Matsumoto <mattn.jp@gmail.com>
-" Last Change: 11-Jan-2012.
+" Last Change: 17-Jan-2012.
 
 let s:save_cpo = &cpo
 set cpo&vim
@@ -999,6 +999,13 @@ function! zencoding#splitJoinTag()
   endwhile
 endfunction
 
+function! zencoding#mergeLines() range
+  let lines = join(map(getline(a:firstline, a:lastline), 'matchstr(v:val, "^\\s*\\zs.*\\ze\\s*$")'), '')
+  let indent = substitute(getline('.'), '^\(\s*\).*', '\1', '')
+  silent! exe "normal! gvc"
+  call setline('.', indent . lines)
+endfunction
+
 function! zencoding#removeTag()
   let curpos = getpos('.')
   while 1
diff --git a/doc/zencoding.txt b/doc/zencoding.txt
index e3f767a..7b00dca 100644
--- a/doc/zencoding.txt
+++ b/doc/zencoding.txt
@@ -195,7 +195,8 @@ You should copy this section and create new buffer, paste and write as
       <li class="list3"></li>
   </ul>
 <
-  If you select part of line include <li> and type |J|, it will be following.
+  If you select part of line include <li> and type |<C-Y>m|, it will be
+  following.
 >
   <ul>
       <li class="list1"></li><li class="list2"></li><li class="list3"></li>
diff --git a/plugin/zencoding.vim b/plugin/zencoding.vim
index 13d28b7..45d9289 100644
--- a/plugin/zencoding.vim
+++ b/plugin/zencoding.vim
@@ -1,7 +1,7 @@
 "=============================================================================
 " File: zencoding.vim
 " Author: Yasuhiro Matsumoto <mattn.jp@gmail.com>
-" Last Change: 22-Nov-2011.
+" Last Change: 17-Jan-2012.
 " Version: 0.58
 " WebPage: http://github.com/mattn/zencoding-vim
 " Description: vim plugins for HTML and CSS hi-speed coding.
@@ -111,6 +111,7 @@ function! s:install_plugin()
   \ {'mode': 'n', 'var': 'user_zen_imagesize_key', 'key': 'i', 'plug': 'ZenCodingImageSize', 'func': ':call zencoding#imageSize()<cr>'},
   \ {'mode': 'i', 'var': 'user_zen_togglecomment_key', 'key': '/', 'plug': 'ZenCodingToggleComment', 'func': '<esc>:call zencoding#toggleComment()<cr>a'},
   \ {'mode': 'n', 'var': 'user_zen_togglecomment_key', 'key': '/', 'plug': 'ZenCodingToggleComment', 'func': ':call zencoding#toggleComment()<cr>'},
+  \ {'mode': 'v', 'var': 'user_zen_mergelines_key', 'key': 'm', 'plug': 'ZenCodingMergeLines', 'func': ':call zencoding#mergeLines()<cr>'},
   \ {'mode': 'i', 'var': 'user_zen_splitjointag_key', 'key': 'j', 'plug': 'ZenCodingSplitJoinTagInsert', 'func': '<esc>:call zencoding#splitJoinTag()<cr>a'},
   \ {'mode': 'n', 'var': 'user_zen_splitjointag_key', 'key': 'j', 'plug': 'ZenCodingSplitJoinTagNormal', 'func': ':call zencoding#splitJoinTag()<cr>'},
   \ {'mode': 'i', 'var': 'user_zen_removetag_key', 'key': 'k', 'plug': 'ZenCodingRemoveTag', 'func': '<esc>:call zencoding#removeTag()<cr>a'},
@@ -125,10 +126,14 @@ function! s:install_plugin()
       exe item.mode . 'noremap <plug>' . item.plug . ' ' . item.func
     endif
     if !exists('g:' . item.var)
-      exe 'let g:' . item.var . " = '" . g:user_zen_leader_key . item.key . "'"
     endif
-    if len(maparg(eval('g:' . item.var), item.mode)) == 0
-      exe item.mode . 'map <unique> ' . eval('g:' . item.var) . ' <plug>' . item.plug
+    if exists('g:' . item.var)
+      let key = eval('g:' . item.var)
+    else
+      let key = g:user_zen_leader_key . item.key
+    endif
+    if len(maparg(key, item.mode)) == 0
+      exe item.mode . 'map <unique> ' . key . ' <plug>' . item.plug
     endif
   endfor
 endfunction