Fix enum parsing and allow zero in numberings

Fixes #353.

1 files changed, 3 insertions, 7 deletions

diff --git a/src/syntax/lexer.rs b/src/syntax/lexer.rs
index 90a10f52..c46fa37b 100644
--- a/src/syntax/lexer.rs
+++ b/src/syntax/lexer.rs
@@ -170,7 +170,6 @@ impl Lexer<'_> {
             '`' => self.raw(),
             'h' if self.s.eat_if("ttp://") => self.link(),
             'h' if self.s.eat_if("ttps://") => self.link(),
-            '0'..='9' => self.numbering(start),
             '<' if self.s.at(is_id_continue) => self.label(),
             '@' => self.ref_marker(),
 
@@ -200,6 +199,7 @@ impl Lexer<'_> {
             '-' if self.space_or_end() => SyntaxKind::ListMarker,
             '+' if self.space_or_end() => SyntaxKind::EnumMarker,
             '/' if self.space_or_end() => SyntaxKind::TermMarker,
+            '0'..='9' => self.numbering(start),
 
             _ => self.text(),
         }
@@ -284,12 +284,8 @@ impl Lexer<'_> {
         self.s.eat_while(char::is_ascii_digit);
 
         let read = self.s.from(start);
-        if self.s.eat_if('.') {
-            if let Ok(number) = read.parse::<usize>() {
-                if number == 0 {
-                    return self.error("must be positive");
-                }
-
+        if self.s.eat_if('.') && self.space_or_end() {
+            if read.parse::<usize>().is_ok() {
                 return SyntaxKind::EnumMarker;
             }
         }