Command Qualifiers

$ command/qualifier


$ command/qualifier=value
$ command/qualifier=(value,value)

$ command/qualifier=keyword=value
$ command/qualifier=-
(keyword=value,keyword=(value,value))

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Command qualifiers specify additional information or alternate behaviors of commands.

Some qualifiers accept a value or a list of values. When specifying a single value, the parentheses can be left out.

Some qualifiers accept a keyword or a list of keywords. Each keyword may accept a value or a list of values.