HP Fortran Programmer's Guide (B3908-90031; September 2011)

xviii
Notational conventions
This section discusses notational conventions used in this book.
Table 1
bold monospace In command examples, bold monospace identifies
input that must be typed exactly as shown.
monospace In paragraph text, monospace identifies command
names, system calls, and data structures and types.
In command examples, monospace identifies
command output, including error messages.
italic In paragraph text, italic identifies titles of
documents.
In command syntax diagrams, italic identifies
variables that you must provide.
The following command example uses brackets to
indicate that the variable output_file is optional:
command input_file [output_file]
Brackets ( [ ] ) In command examples, square brackets designate
optional entries.
Curly brackets ({}),
Pipe (|)
In command syntax diagrams, text surrounded by
curly brackets indicates a choice. The choices
available are shown inside the curly brackets and
separated by the pipe sign (|).
The following command example indicates that you
can enter either a or b:
command {a | b}
Horizontal ellipses (...) In command examples, horizontal ellipses show
repetition of the preceding items.
Vertical ellipses Vertical ellipses show that lines of code have been
left out of an example.
Keycap Keycap indicates the keyboard keys you must press
to execute the command example.