" Use system clipboard
set clipboard+=unnamedplus

" Case-insensitive search
set ignorecase

" Keep long lines unwrapped
set nowrap

" Use spaces instead of tabs
set expandtab

" Display a tab character as four spaces
set tabstop=4

" Indent using four spaces
set shiftwidth=4

" Customize the prefix key
let mapleader = ","

" Clear search highlighting with double Esc
nnoremap <Esc><Esc> :nohlsearch<CR>