Asynchronous Terminals and Printer Processes Programming Manual

SYNTAX CONVENTIONS IN THIS MANUAL
The following list summarizes the conventions for syntax notation
in this manual.
Notation Meaning
UPPERCASE Uppercase letters represent keywords and reserved
LETTERS words; you must enter these items exactly as shown.
italics Lowercase italic letters represent variable items
that you must supply.
Brackets [] In syntax descriptions, brackets enclose optional
syntax items. A group of vertically aligned items
enclosed in brackets represents a list of selections
from which you may choose one or none.
Braces {} Braces enclose required syntax items. A group
of vertically aligned items enclosed in braces
represents a list of selections from which you must
choose one.
Ellipsis An ellipsis immediately following a pair of brackets
... or braces indicates that you can repeat the enclosed
syntax items any number of times.
Percent A percent sign precedes a number in octal notation.
sign %
Spaces If two items are separated by a space, that space is
required between the items. (But if either of the
items is a punctuation symbol, such as a parenthesis
or a comma, the space is optional.)
Punctuation Parentheses, commas, semicolons, and other symbols
not described above must be entered precisely as
shown. Quotation marks around any symbol indicate
that it is not a syntax descriptor but a required
character, and you must enter it as shown.
RETURN Indicates a carriage return.
Angle Angle brackets indicate ASCII codes in text and
Brackets < > examples.
November 1987 xv