Fix a bug in floating point parsing. (#4337)

core/src/syn/parser/test/value.rs

@@ -9,6 +9,11 @@ use crate::{
 	syn::parser::{mac::test_parse, Parser},
 };
 
+#[test]
+fn parse_coordinate() {
+	test_parse!(parse_value, "(1.88, -18.0)").unwrap();
+}
+
 #[test]
 fn parse_large_depth_object() {
 	let mut text = String::new();

core/src/syn/parser/token.rs

@@ -444,6 +444,7 @@ impl Parser<'_> {
 					let span = start.span.covers(digits_token.span);
 					unexpected!(@span, self,digits_token.kind, "a floating point number")
 				}
+				self.pop_peek();
 			}
 			TokenKind::Digits => {
 				self.pop_peek();