Syntax Notation

command

verbatim text (case insensitive)

italics

user-provided parameter

[item]

item is optional

{item}*

[item]+

0 or more instances of item

1 or more instances of item

{item1 | item 2}

[item1 | items 2]

either item1 or item2 must be selected

either item1 or item2 may be selected

...

indicates that the preceding item can be repeated

punctuation

must be entered exactly as shown except for {}, [] and |.

[px]

is the viewpoint override, including punctuation ([ ]), specifying that the viewpoint is temporarily set for this command to the specified processor. The processor can be specified as px (where x is the processor ID), or an alias you have defined for a given processor ID (using vpalias command).  See Viewpoint Processor and Processor Overrides.

[all]

is a special viewpoint override specifying that all processors are affected. The brackets are required punctuation

expr

is an expression as described in expressions