Re: Scrolling the screen vertically

[Eli Zaretskii <eliz@gnu.org>]

> Date: Wed, 4 Jul 2012 17:29:22 +0300
> From: Valera Rozuvan <valera.rozuvan@gmail.com>
> 
> While horizontal scrolling of a screen is easy with the default key
> combos C-v and M-v, most times I run into the problem of quickly
> scrolling sideways. This is a problem for me because I use
> 
> (setq truncate-lines t)
> 
> in my ~/.emacs
> 
> There is the C-a to go to the beginning of the line, and also the C-e
> to go to the end of the line. But if the line is very long, I would
> like fine-grained control - to scroll by the screen's width with an
> overlap of a few characters. Currently I use M-f and M-b to go right
> or left by words (this is faster then just using the right and left
> keys on the keyboard to move by a single character), but this method
> is still slow.
> 
> Ideally I would like to write some key combo which lets me peek on any
> off-screen text (lines that are longer than the screen's width), and
> then go back to the location of the cursor (ideally the cursor
> shouldn't move). Is it possible to shift the "view-port" (don't know
> how to properly call it) 50 characters left or right?

Did you know about "C-x <" and "C-x >"?  If they don't do what you
want, then please explain more.