Notation conventions, Bold type, Computer type – HP Integrity NonStop H-Series User Manual
Page 6: Italic computer type, Brackets, Braces, Vertical line, Ellipsis

General references provided for more useful information.
Glossary of terms used in this manual.
Notation Conventions
Bold Type
Bold type within text indicates terms defined in the Glossary. For example:
abstract class
Computer Type
Computer type
letters within text indicate keywords, reserved words, command
names, class names, and method names; enter these items exactly as shown. For
example:
myfile.jar
Italic Computer Type
Italic computer type
letters in syntax descriptions or text indicate variable
items that you supply. For example:
pathname
[ ] Brackets
Brackets enclose optional syntax items. For example:
jdb [options]
A group of items enclosed in brackets is a list from which you can choose one item
or none. Items are separated by vertical lines. For example:
where [threadID|all]
{ } Braces
A group of items enclosed in braces is a list from which you must choose one item.
For example:
-c identity {true|false}
| Vertical Line
A vertical line separates alternatives in a list that is enclosed in brackets or braces.
For example:
where [threadID|all]
... Ellipsis
An ellipsis immediately following a pair of brackets or braces indicates that you
can repeat the enclosed sequence of syntax items any number of times. For example:
print {objectID|objectName} ...
An ellipsis immediately following a single syntax item indicates that you can repeat
that syntax item any number of times. For example:
dump objectID ...
6