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cat <<\EOF
usage: some-command [options] <args>...

    some-command does foo and bar!

    -h, --help            show the help
    --[no-]foo            some nifty option --foo
    --[no-]bar ...        some cool option --bar with an argument
    -b, --[no-]baz        a short and long option

An option group Header
    -C[...]               option C with an optional argument
    -d, --[no-]data[=...] short and long option with an optional argument

Argument hints
    -B <arg>              short option required argument
    --[no-]bar2 <arg>     long option required argument
    -e, --[no-]fuz <with-space>
                          short and long option required argument
    -s[<some>]            short option optional argument
    --[no-]long[=<data>]  long option optional argument
    -g, --[no-]fluf[=<path>]
                          short and long option optional argument
    --[no-]longest <very-long-argument-hint>
                          a very long argument hint
    --[no-]pair <key=value>
                          with an equals sign in the hint
    --[no-]aswitch        help te=t contains? fl*g characters!`
    --[no-]bswitch <hint> hint has trailing tab character
    --[no-]cswitch        switch has trailing tab character
    --[no-]short-hint <a> with a one symbol hint

Extras
    --[no-]extra1         line above used to cause a segfault but no longer does

EOF