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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
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