ignore non-ascii numeric characters in numbers

src/utils/number.rs

@@ -124,7 +124,7 @@ pub(crate) fn eat_number<I: Iterator<Item = Token>>(
 
 fn eat_whole_number<I: Iterator<Item = Token>>(toks: &mut PeekMoreIterator<I>, buf: &mut String) {
     while let Some(c) = toks.peek() {
-        if !c.kind.is_numeric() {
+        if !c.kind.is_ascii_digit() {
             break;
         }
         let tok = toks.next().unwrap();

src/value/parse.rs

@@ -682,7 +682,7 @@ impl Value {
                 let unit = if let Some(tok) = toks.peek() {
                     let Token { kind, pos } = *tok;
                     match kind {
-                        'a'..='z' | 'A'..='Z' | '_' | '\\' => {
+                        'a'..='z' | 'A'..='Z' | '_' | '\\' | '\u{7f}'..=std::char::MAX => {
                             let u = match eat_ident_no_interpolation(toks, true, pos) {
                                 Ok(v) => v,
                                 Err(e) => return Some(Err(e)),

tests/units.rs

@@ -84,6 +84,11 @@ test!(
     "a {\n  color: unit(1\\9);\n}\n",
     "a {\n  color: \"\\\\9 \";\n}\n"
 );
+test!(
+    non_ascii_numeric_interpreted_as_unit,
+    "a {\n  color: 2߄;\n}\n",
+    "@charset \"UTF-8\";\na {\n  color: 2߄;\n}"
+);
 error!(
     display_single_mul,
     "a {\n  color: 1rem * 1px;\n}\n", "Error: 1rem*px isn't a valid CSS value."