title: Vim: what's the default backspace behavior?
body: <p>I'm setting up my vimrc file. I understand adding <code>set backspace=indent,eol,start</code> allows the backspace to behave "normally" (deleting indentation, line breaks, pre-existing characters) while in insert mode, but I'm confused whether I need to add this line to my file or whether it's the default behavior.</p>
  
  <p>I've tried running Vim without that line, even without a vimrc file, and the backspace still worked normally. I should mention that I'm on a MacBook, and the key is actually labeled "delete", but I'm assuming that's irrelevant.</p>