>>53
from the xterm manpage:

> It is possible to rebind keys (or sequences of keys) to arbitrary
> strings for input, by changing the translations resources for the vt100
> or tek4014 widgets. Changing the translations resource for events
> other than key and button events is not expected, and will cause unpre-
> dictable behavior. The following actions are provided for use within
> the vt100 or tek4014 translations resources:

...

> scroll-back(count [,units [,mouse] ])
> This action scrolls the text window backward so that text that
> had previously scrolled off the top of the screen is now visi-
> ble.
>
> The count argument indicates the number of units (which may be
> page, halfpage, pixel, or line) by which to scroll.
>
> An adjustment can be specified for these values by appending a
> "+" or "-" sign followed by a number, e.g., page-2 to specify 2
> lines less than a page.
>
> If the third parameter mouse is given, the action is ignored
> when mouse reporting is enabled.
>
> scroll-forw(count [,units [,mouse] ])
> This action is similar to scroll-back except that it scrolls in
> the other direction.

...

> The default bindings in the VT102 window are:
>
> Shift <KeyPress> Prior:scroll-back(1,halfpage) \n\
> Shift <KeyPress> Next:scroll-forw(1,halfpage) \n\