vimrc

syntax on
set autoindent " keep indentation when starting new lines
set tabstop=2 " spaces per tab
set softtabstop=1 " spaces per tab (when tabbing/backspacing)
set shiftwidth=2 " spaces per tab (when shifting)
set expandtab " always use spaces instead of tabs
au BufWinEnter,BufNewFile * silent tab
highlight ExtraWhitespace ctermbg=red guibg=red
match ExtraWhitespace /\s\+$/
autocmd BufWinEnter * match ExtraWhitespace /\s\+$/
autocmd InsertEnter * match ExtraWhitespace /\s\+\%#\@<!$/
autocmd InsertLeave * match ExtraWhitespace /\s\+$/
autocmd BufWinLeave * call clearmatches()
if exists('+colorcolumn')
  set colorcolumn=+1 " vertical line at textwidth characters
endif

set textwidth=80
set encoding=utf-8

if v:version > 703 || v:version == 703 && has('patch541')
  set formatoptions+=j " remove comment leader when joining comment lines
endif

set formatoptions+=c " auto-wrap comments using textwidth
set formatoptions+=n " smart auto-indenting inside numbered lists
set formatoptions+=q " allow formatting of comments with gq
set nojoinspaces " don’t autoinsert two spaces after ’.’, ’?’, ’!’ for join command



set wildmenu " show options as list when switching buffers etc
set wildmode=longest:full,full " shell-like autocomplete to unambiguous portion