Apply sugestions from code review

Co-authored-by: Tpt <thomaspt@hotmail.fr>

lib/oxrdf/src/literal.rs

@@ -620,41 +620,14 @@ pub fn print_quoted_str(string: &str, f: &mut impl Write) -> fmt::Result {
     f.write_char('"')?;
     for c in string.chars() {
         match c {
-            '\0' => f.write_str("\\u0000"),
-            '\u{01}' => f.write_str("\\u0001"),
-            '\u{02}' => f.write_str("\\u0002"),
-            '\u{03}' => f.write_str("\\u0003"),
-            '\u{04}' => f.write_str("\\u0004"),
-            '\u{05}' => f.write_str("\\u0005"),
-            '\u{06}' => f.write_str("\\u0006"),
-            '\u{07}' => f.write_str("\\u0007"),
             '\u{08}' => f.write_str("\\b"),
             '\t' => f.write_str("\\t"),
             '\n' => f.write_str("\\n"),
-            '\u{0b}' => f.write_str("\\u000B"),
             '\u{0c}' => f.write_str("\\f"),
             '\r' => f.write_str("\\r"),
-            '\u{0e}' => f.write_str("\\u000E"),
-            '\u{0f}' => f.write_str("\\u000F"),
-            '\u{10}' => f.write_str("\\u0010"),
-            '\u{11}' => f.write_str("\\u0011"),
-            '\u{12}' => f.write_str("\\u0012"),
-            '\u{13}' => f.write_str("\\u0013"),
-            '\u{14}' => f.write_str("\\u0014"),
-            '\u{15}' => f.write_str("\\u0015"),
-            '\u{16}' => f.write_str("\\u0016"),
-            '\u{17}' => f.write_str("\\u0017"),
-            '\u{18}' => f.write_str("\\u0018"),
-            '\u{19}' => f.write_str("\\u0019"),
-            '\u{1a}' => f.write_str("\\u001A"),
-            '\u{1b}' => f.write_str("\\u001B"),
-            '\u{1c}' => f.write_str("\\u001C"),
-            '\u{1d}' => f.write_str("\\u001D"),
-            '\u{1e}' => f.write_str("\\u001E"),
-            '\u{1f}' => f.write_str("\\u001F"),
             '"' => f.write_str("\\\""),
             '\\' => f.write_str("\\\\"),
-            '\u{7f}' => f.write_str("\\u007F"),
+            '\0'..='\u{1f}' | '\u{7f}' => write!(f, "\\u{:04X}", u32::from(c)),
             c => f.write_char(c),
         }?;
     }