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## Class invalid_config_file_syntax

boost::program_options::invalid_config_file_syntax

## Synopsis

    // In header: <boost/program_options/errors.hpp>

    class invalid_config_file_syntax :
      public boost::program_options::invalid_syntax
    {
    public:

      // public member functions
      invalid_config_file_syntax(const std::string &, kind_t);
      virtual std::string tokens() const;
    };

## Description

### `invalid_config_file_syntax` public member functions

1.     invalid_config_file_syntax(const std::string & invalid_line, kind_t kind);

2.     virtual std::string tokens() const;

   Convenience functions for backwards compatibility