diff --git a/.vimrc b/.vimrc
index 9af190b..b731ff4 100644
--- a/.vimrc
+++ b/.vimrc
@@ -25,6 +25,7 @@ Plugin 'kien/ctrlp.vim'
 Plugin 'scrooloose/nerdcommenter'
 "Plugin 'myusuf3/numbers.vim'
 Plugin 'Shougo/neocomplete.vim'
+Plugin 'Shougo/neosnippet.vim'
 Plugin 'easymotion/vim-easymotion'
 Plugin 'bling/vim-airline'
 Plugin 'tpope/vim-ragtag'
@@ -64,7 +65,6 @@ set number
 set autoread
 
 set history=1000
-set paste
 
 " make comments and HTML attributes italic
 highlight Comment cterm=italic
@@ -112,3 +112,75 @@ nmap <silent> <leader>k :NERDTreeToggle<cr>
 nmap <silent> <leader>y :NERDTreeFind<cr>
 " Allow saving of files as sudo when I forgot to start vim using sudo.
 cmap w!! w !sudo tee > /dev/null %
+
+" N E O C O M P L E T E 
+"Note: This option must be set in .vimrc(_vimrc).  NOT IN .gvimrc(_gvimrc)!
+" Disable AutoComplPop.
+let g:acp_enableAtStartup = 0
+" Use neocomplete.
+let g:neocomplete#enable_at_startup = 1
+" Use smartcase.
+let g:neocomplete#enable_smart_case = 1
+" Set minimum syntax keyword length.
+let g:neocomplete#sources#syntax#min_keyword_length = 3
+
+" Define dictionary.
+let g:neocomplete#sources#dictionary#dictionaries = {
+    \ 'default' : '',
+    \ 'vimshell' : $HOME.'/.vimshell_hist',
+    \ 'scheme' : $HOME.'/.gosh_completions'
+        \ }
+
+" Define keyword.
+if !exists('g:neocomplete#keyword_patterns')
+    let g:neocomplete#keyword_patterns = {}
+endif
+let g:neocomplete#keyword_patterns['default'] = '\h\w*'
+
+" Plugin key-mappings.
+inoremap <expr><C-g>     neocomplete#undo_completion()
+inoremap <expr><C-l>     neocomplete#complete_common_string()
+
+" Recommended key-mappings.
+" <CR>: close popup and save indent.
+inoremap <silent> <CR> <C-r>=<SID>my_cr_function()<CR>
+function! s:my_cr_function()
+  return (pumvisible() ? "\<C-y>" : "" ) . "\<CR>"
+  " For no inserting <CR> key.
+  "return pumvisible() ? "\<C-y>" : "\<CR>"
+endfunction
+" <TAB>: completion.
+inoremap <expr><TAB>  pumvisible() ? "\<C-n>" : "\<TAB>"
+" <C-h>, <BS>: close popup and delete backword char.
+inoremap <expr><C-h> neocomplete#smart_close_popup()."\<C-h>"
+inoremap <expr><BS> neocomplete#smart_close_popup()."\<C-h>"
+" Close popup by <Space>.
+"inoremap <expr><Space> pumvisible() ? "\<C-y>" : "\<Space>"
+
+" AutoComplPop like behavior.
+"let g:neocomplete#enable_auto_select = 1
+
+" Shell like behavior(not recommended).
+"set completeopt+=longest
+"let g:neocomplete#enable_auto_select = 1
+"let g:neocomplete#disable_auto_complete = 1
+"inoremap <expr><TAB>  pumvisible() ? "\<Down>" : "\<C-x>\<C-u>"
+
+" Enable omni completion.
+autocmd FileType css setlocal omnifunc=csscomplete#CompleteCSS
+autocmd FileType html,markdown setlocal omnifunc=htmlcomplete#CompleteTags
+autocmd FileType javascript setlocal omnifunc=javascriptcomplete#CompleteJS
+autocmd FileType python setlocal omnifunc=pythoncomplete#Complete
+autocmd FileType xml setlocal omnifunc=xmlcomplete#CompleteTags
+
+" Enable heavy omni completion.
+if !exists('g:neocomplete#sources#omni#input_patterns')
+  let g:neocomplete#sources#omni#input_patterns = {}
+endif
+"let g:neocomplete#sources#omni#input_patterns.php = '[^. \t]->\h\w*\|\h\w*::'
+"let g:neocomplete#sources#omni#input_patterns.c = '[^.[:digit:] *\t]\%(\.\|->\)'
+"let g:neocomplete#sources#omni#input_patterns.cpp = '[^.[:digit:] *\t]\%(\.\|->\)\|\h\w*::'
+
+" For perlomni.vim setting.
+" https://github.com/c9s/perlomni.vim
+let g:neocomplete#sources#omni#input_patterns.perl = '\h\w*->\h\w*\|\h\w*::'