set foldmethod=syntax
set foldlevelstart=99
-" Show line numbers.
-set number
-set numberwidth=4
-
" Scroll five lines ahead of cursor.
set scrolloff=5
" Turn off error bells and visual bell
set noeb vb t_vb=
-" Set tabs to width 4.
-set softtabstop=4
-set tabstop=4
-set shiftwidth=4
+" Set tabs to width 2.
+filetype plugin indent on
+set shiftwidth=2
+set softtabstop=2
+set tabstop=2
set expandtab
+" language-specific settings: tab width is 4 for python
+autocmd FileType python setlocal shiftwidth=4 softtabstop=4 tabstop=4
+
" Allow backspacing over everything in insert mode.
set backspace=indent,eol,start
" Set the color scheme to desert.
colorscheme desert
+" Set custom whitespace display
+set list
+set showbreak=↪\
+set listchars=tab:\ \ →,eol:↲,nbsp:␣,trail:•,extends:⟩,precedes:⟨
+
" Unmap the arrow keys to prevent bad habits.
noremap <Up> ""
noremap! <Up> <Esc>