use proper range notation
@@ -401,7 +401,7 @@ fn print_char(&mut self, c: char) {
'\u{0c}' => self.outputter.append("\\f"), // UTF-8 form feed
'\u{08}' => self.outputter.append("\\b"), // UTF-8 backspace
'\u{07}' => self.outputter.append("\\a"), // UTF-8 alert
- '\x20' ..= '\x7e' => self.outputter.push_char(c),
+ '\x20' ... '\x7e' => self.outputter.push_char(c),
_ => self.outputter.append(&format!("\\x{:x}", c as u32))
};
}
