プラグインなしのvimrc

.vimrc

" .vimrc settings without plugin
scriptencoding utf-8

"" editor
" tabをshiftに置き換え
" tab幅4を想定した記述
set smarttab
set tabstop=4
set shiftwidth=4
set expandtab
set softtabstop=4
set shiftround
set autoindent "or cindent (C/C++)
set formatoptions-=r
set backspace=indent,eol,start

"" visual
set ruler
set number
set showmatch

"" search
set ignorecase
set smartcase
set wrapscan
set hlsearch
set incsearch

"" ESC2回で検索ハイライトを消す
nnoremap <silent> <Esc><Esc> :<C-u>nohlsearch<CR><Esc>

"" encoding
set encoding=utf-8
set fileencoding=utf-8

"" system
set mouse=a
set vb t_vb=

"" syntax
syntax on