@summary_width = width

@summary_indent = indent

@default_argv = ARGV

add_officious

yield self if block_given?

end

# Strings to be parsed in default.

attr_accessor :default_argv

#

# Heading banner preceding summary.

#

opt.tr!('_', '-')

begin

sw, = complete(:long, opt, true)

rescue ParseError

raise $!.set_option(arg, true)

end

val = arg.delete_prefix('-')

has_arg = true

rescue InvalidOption

# if no short options match, try completion with long

# options.

sw, = complete(:long, opt)