Here's what I do: :wq[enter] …then I notice I forgot to press escape and typed that text into the document, so I undo it with this [esc][shift+j]

Here's what I do: :wq[enter] …then I notice I forgot to press escape and typed that text into the document, so I undo it with this [esc][shift+j] k[end]dl.. …before finally saving and quitting, the right way: [scape]:wq[enter]