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My absolutely chaotic vimrc, with copy-pasted bits from random online sources.

set nocompatible              " be iMproved, required
filetype off                  " required
" set the runtime path to include Vundle and initialize
set rtp+=~/.vim/bundle/Vundle.vim
call vundle#begin()
" alternatively, pass a path where Vundle should install plugins
"call vundle#begin('~/some/path/here')

" let Vundle manage Vundle, required
Plugin 'VundleVim/Vundle.vim'

" The following are examples of different formats supported.
" Keep Plugin commands between vundle#begin/end.
" plugin on GitHub repo
Plugin 'tpope/vim-fugitive'
Plugin 'slim-template/vim-slim'
" plugin from
Plugin 'L9'
Plugin 'scrooloose/nerdtree'
Plugin 'bling/vim-airline'
" Bundle 'vim-ruby/vim-ruby'
Plugin 'vim-scripts/CycleColor'
Bundle 'bilalq/lite-dfm'
Plugin 'junegunn/goyo.vim'
Plugin 'terryma/vim-multiple-cursors'
" Ctrl+n to trigger
Plugin 'terryma/vim-expand-region'
" + and _ to expand/shrink region

" All of your Plugins must be added before the following line
call vundle#end()            " required
filetype plugin indent on    " required
" To ignore plugin indent changes, instead use:

" Brief help
" :PluginList       - lists configured plugins
" :PluginInstall    - installs plugins; append `!` to update or just :PluginUpdate
" :PluginSearch foo - searches for foo; append `!` to refresh local cache
" :PluginClean      - confirms removal of unused plugins; append `!` to auto-approve removal
" see :h vundle for more details or wiki for FAQ
" Put your non-Plugin stuff after this line

" SH
syntax on
let mapleader = ","
set number "show line numbers
set autoindent
set hlsearch
set incsearch
inoremap , ,<Space>

"Moving between splits
map <leader>h :wincmd h<CR>
map <leader>j :wincmd j<CR>
map <leader>k :wincmd k<CR>
map <leader>l :wincmd l<CR>

"Relative number
map <leader>r :set number relativenumber<CR>

"Allow positioning cursor where there's no character in all modes
set virtualedit = "all"

" For the two languages
 map U :set keymap=ukrainian-dvorak<CR>
 map R :set keymap=russian-dvorak<CR>

" For illustration purposes
abbr psvm public static void main(String[] args){<CR>}<esc>O

" To share the clipboard between different vim instances
set clipboard=unnamedplus

"clear a line 
nnoremap -c ddO
"Two enter two times
nnoremap -s o<Return>

set backspace=indent,eol,start

colorscheme desert

map <leader>p :set paste<CR>
map <leader>. :set nopaste<CR>
map <leader>' :quit<CR>
map <leader><leader> :x<CR>
":imap rc <Esc>
imap qj <Esc> 
imap ;q <Esc>:w<CR>
imap jj <Esc>:x<CR>

map <leader>s :w<CR>
nnoremap -- o<Esc>

set guioptions+=h "make it scroll lower than the visible lines

set tabstop=2
set shiftwidth=2

filetype on                  " required  by eclim

map ; :
noremap ;; ;

" Tweaks from

" Auto read a file when changed from outside
set autoread 

" :W sudo saves the file 
" (useful for handling the permission-denied error)
command W w !sudo tee % > /dev/null

" Set 7 lines to the cursor - when moving vertically using j/k
set so=7

set wildmenu

" Ignore compiled files
set wildignore=*.o,*~,*.pyc
if has("win16") || has("win32")
    set wildignore+=.git\*,.hg\*,.svn\*
    set wildignore+=*/.git/*,*/.hg/*,*/.svn/*,*/.DS_Store

set ruler

set cmdheight=2

" Configure backspace so it acts as it should act
set backspace=eol,start,indent
set whichwrap+=<,>,h,l

" Ignore case when searching
set ignorecase

" When searching try to be smart about cases 
set smartcase

" Don't redraw while executing macros (good performance config)
set lazyredraw 

" Show matching brackets when text indicator is over them
set showmatch 
" How many tenths of a second to blink when matching brackets
set mat=2

" Add a bit extra margin to the left
set foldcolumn=1

" => Text, tab and indent related
" Use spaces instead of tabs
set expandtab

" Be smart when using tabs ;)
set smarttab

" 1 tab == 4 spaces
set shiftwidth=4
set tabstop=4

" Linebreak on 500 characters
set lbr
set tw=500

set ai "Auto indent
set si "Smart indent
set wrap "Wrap lines

" => Visual mode related
" Visual mode pressing * or # searches for the current selection
" Super useful! From an idea by Michael Naumann
vnoremap <silent> * :<C-u>call VisualSelection('', '')<CR>/<C-R>=@/<CR><CR>
vnoremap <silent> # :<C-u>call VisualSelection('', '')<CR>?<C-R>=@/<CR><CR>

" Return to last edit position when opening files (You want this!)
au BufReadPost * if line("'\"") > 1 && line("'\"") <= line("$") | exe "normal! g'\"" | endif

" => Status line
" Always show the status line
set laststatus=2

" Format the status line
set statusline=\ %{HasPaste()}%F%m%r%h\ %w\ \ CWD:\ %r%{getcwd()}%h\ \ \ Line:\ %l\ \ Column:\ %c

" => Spell checking
" Pressing ,ss will toggle and untoggle spell checking
map <leader>ss :setlocal spell!<cr>

" Quickly open a buffer for scribble
map <leader>q :e ~/buffer<cr>

" Quickly open a markdown buffer for scribble
map <leader>x :e ~/<cr>

" TODO learn buffers

" Don't close window, when deleting a buffer
command! Bclose call <SID>BufcloseCloseIt()
function! <SID>BufcloseCloseIt()
   let l:currentBufNum = bufnr("%")
   let l:alternateBufNum = bufnr("#")

   if buflisted(l:alternateBufNum)
     buffer #

   if bufnr("%") == l:currentBufNum

   if buflisted(l:currentBufNum)
     execute("bdelete! ".l:currentBufNum)