Constant ptree::print_config::UTF_CHARS_DASHED

pub const UTF_CHARS_DASHED: StaticIndentChars = StaticIndentChars{down_and_right: "├",
                  down: "┆",
                  turn_right: "└",
                  right: "╌",
                  empty: " ",}

UTF-8 indentation characters, using dashed box-drawing characters