Constant ptree::print_config::ASCII_CHARS_TICK

pub const ASCII_CHARS_TICK: StaticIndentChars = StaticIndentChars{down_and_right: "|",
                  down: "|",
                  turn_right: "`",
                  right: "-",
                  empty: " ",}

ASCII indentation characters, using a tick (```) for turning right

This is the character used in the Linux command tree --charset=ascii.