" indentation:
" keep tabstop on 8
" use softtabstop set to 2
set autoindent                  " copy indent from current line when starting a new line
set smartindent                 " enable smart indent
set smarttab                    " use shiftwidth to insert blanks on <Tab> in front of a line, same for <BS>
set shiftwidth=2                " number of spaces to use for each (auto)indent
set softtabstop=2               " number of spaces that a <Tab> counts for edit operations (treat 2 spaces like a real <Tab>)
set expandtab                   " always insert spaces instead of tabs
set shiftround                  " round indent when shifting