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NAME
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proof – troff output interpreter
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SYNOPSIS
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proof [ −mmag ] [ −/nview ] [ −F dir ] [ −d ] [ file ]
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DESCRIPTION
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Proof reads troff(1) intermediate language from file or standard
input and simulates the resulting pages on the screen.
After a page of text is displayed, proof pauses for a command
from the keyboard. The typed commands are:
newlineGo on to next page of text.
− Go back to the previous page.
q Quit.
pn Print page n. An out-of-bounds page number means the end nearer
to that number; a missing number means the current page; a signed
number means an offset to the current page.
n Same as pn.
c Clear the screen, then wait for another command.
mmag Change the magnification at which the output is printed. Normally
it is printed with magnification .9; mag=.5 shrinks it to half
size; mag=2 doubles the size.
xval Move everything val screen pixels to the right (left, if val
is negative).
yval Move everything val screen pixels down (up, if val is negative).
/nview Split the window into nview pieces. The current page goes
into the rightmost, bottommost piece, and previous pages are shown
in the other pieces.
−F dirUse dir for fonts instead of /lib/font/bit.
d Toggle the debug flag.
These commands are also available, under slightly different form,
from a menu on button 3. The pan menu item allows arbitrary positioning
of the page: after selecting pan, press the mouse button again
and hold it down while moving the page to the desired location.
The page will be redisplayed in its entirety when the button is
released. Mouse button
1 also pans, without the need for selecting from a menu.
The m, x, y, F, /, and d commands are also available as command
line options.
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FILES
SOURCE
SEE ALSO
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lp(1), gs(1), page(1)
J. F. Ossanna and B. W. Kernighan, “Troff User’s Manual”
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