You can also kill any part of the buffer with one uniform method.
Move to one end of that part, and type C-@ or C-SPC (either one).
-Move to the other end of that part, and type C-w. That kills
-all the text between the two positions.
+(SPC is the Space bar.) Move to the other end of that part, and type
+C-w. That kills all the text between the two positions.
>> Move the cursor to the Y at the start of the previous paragraph.
>> Type C-SPC. Emacs should display a message "Mark set"
string with another. When you type M-x, Emacs prompts you at the
bottom of the screen with M-x and you should type the name of the
command; in this case, "replace-string". Just type "repl s<TAB>" and
-Emacs will complete the name. End the command name with <Return>.
+Emacs will complete the name. (<TAB> is the Tab key, usually found
+above the lCapsLock or Shift key near the left edge of the keyboard.)
+End the command name with <Return>.
The replace-string command requires two arguments--the string to be
replaced, and the string to replace it with. You must end each
One of the nice features of Emacs is that you can display more than one
window on the screen at the same time.
->> Move the cursor to this line and type C-u 0 C-l.
+>> Move the cursor to this line and type C-u 0 C-l (that's control-L, not
+ control-1).
>> Now type C-x 2 which splits the screen into two windows.
Both windows display this tutorial. The cursor stays in the top window.