... nil, nil, and some value." In this example, Emacs binds the symbol birch to the number 3, binds thesymbols pine and fir to nil, and binds the symbol oak to the value some.Note that in the ... this:(buffer-name)"*scratch*"You cannot do this in Info since Info is read-only and it will not allow you to change the contents of the buffer. But you can do this in any buffer youcan edit; and when you write ... how Emacs works.When you type keys, you cause the Lisp interpreter to evaluate an expres-sion and that is how you get your results. Even typing plain text involvesevaluating an Emacs Lisp...