[opt_def -file string]

The value of this option is the name of the file or other entity from
which the grammar came, for which the command is run. The default
value is [const unknown].

[opt_def -name string]

The value of this option is the name of the grammar we are processing.
The default value is [const a_pe_grammar].

[opt_def -user string]

The value of this option is the name of the user for which the command
is run. The default value is [const unknown].