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(Using the getopt function): Fix description of return value for
format string starting with '-'.
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@ -73,7 +73,7 @@ required argument. If an option character is followed by two colons
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If the @var{options} argument string begins with a hyphen (@samp{-}), this
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is treated specially. It permits arguments that are not options to be
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returned as if they were associated with option character @samp{\0}.
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returned as if they were associated with option character @samp{\1}.
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The @code{getopt} function returns the option character for the next
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command line option. When no more option arguments are available, it
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