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For each option you wish to specify, you must have a block macro named
flag
defined. There are two required attributes: name
and
descrip
. If any options do not have a value
(traditional flag
character) attribute, then the long-opts
program attribute must also
be defined. As a special exception, if no options have a value
and long-opts
is not defined and argument
is
not defined, then all arguments to the program are named options. In this
case, the - and -- command line option markers are optional.