PS TEXT FORMAT Reference Manual

Introduction to TFORM
3–124 11387 Tandem Computers Incorporated
SET JUSTIFY Option
You can control the justification of text lines (vertical alignment of text
at the left and right margins) with the SET JUSTIFY command.
SET JUSTIFY ON
SET JUSTIFY ON causes TFORM to insert extra horizontal space, as
needed, in output lines to align the first and last characters of each
line with the left and right margins, respectively.
TFORM justifies lines differently for different printers. For most
printers, TFORM inserts extra space characters between words,
distributing them as evenly as possible. For the 5530 printer,
TFORM performs “microjustification,” inserting tiny amounts of
space between letters in equal amounts, starting alternately from
the left and right margins of the line. It is usually impossible to tell
where the extra space has been inserted.
SET JUSTIFY OFF
SET JUSTIFY OFF turns off right-justification. If joining is ON and
you turn it off, you automatically turn off justification. If you want
to justify without joining (which is possible, although it can cause
excessive space to be added between words in short lines, which is
why joining and justification usually go together), you must
explicitly turn justification back on after turning joining off. SET
JUSTIFY OFF is the default condition.
A blank line, or any command that causes a mandatory line break,
temporarily halts justification. TFORM resumes right-justification
at the start of the next text line.