The help output sometimes contains unexpected newlines

[lazysegtree]

    cxxopts::Options options("MyProgram", "One line description of MyProgram");
    options.add_options()
  ("d,debug2", "01234567890123456789") // a bool parameter
  ("i,integer", "Int param", cxxopts::value<int>())
  ("f,file", "File name", cxxopts::value<std::string>())
  ("v,verbose", "Verbose output", cxxopts::value<bool>()->default_value("false"))
  ("h,help", "Print usage")

Width 21

Width 40

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