Commodore Plus 4 - Page 126

VERTICAL BAR separates items in a list of arguments when your
choices are limited to those arguments listed, and you can't use any
other arguments. When the vertical bar appears in a list enclosed
in SQUARE BRACKETS, your choices are limited to the items in
the list, but you still have the option no! to use any arguments.
ELLIPSIS .... a sequence of three dots, means that an option or
argument can be repeated more than once.
QUOTATION MARKS" enclose character strings, filenames, and
other expressions. When arguments are enclosed in quotation
marks in a format, you must include the quotation marks in your
command or statement. Quotation marks are not conventions
used to describe formats; they are required parts of a com
mand or statement.
PARENTHESES () When arguments are enclosed in parentheses
in a format, you must include the parentheses in your command
or statement- Parentheses are not conventions used to describe
formats; they are required parts of a command or statement.
VARIABLE refers to any valid BASIC variable name, such as X, A$,
orT%.
EXPRESSION means any valid BASIC expression, suchas A + B-2
or.5'(X+3).
117.