BEA WebLogic Server Manual page 11

Convention Usage
Separates mutually exclusive choices in a syntax line. Example:
|
java weblogic.deploy [list|deploy|undeploy|update]
Indicates one of the following in a command line:
...
An argument can be repeated several times in the command line.
The statement omits additional optional arguments.
You can enter additional parameters, values, or other information
password {application} {source}
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