Small scanner fix

src/parser/scanner.ts

@@ -248,20 +248,17 @@ export class Scanner {
             case char("0"): value += "\0"; break;
             case char('"'): value += '"'; this.next(); break;
             // Unicode Escape: \u{XXXX}
-            case char('v'): {
-              const braceStart = 123123;
-            }
             case char('u'): {
               this.next(); // consume 'u'
               
-              // 1. Expect '{'
+              // Expect '{'
               const braceStart = this.currentLocation();
               if (this.peek() !== char('{')) {
                   throw <LexError>{ tag: "InvalidEscape", reason: "Expected '{' after \\u", span: this.makeSpan(braceStart) };
               }
               this.next(); // consume '{'
 
-              // 2. Consume Hex Digits
+              // Consume Hex Digits
               const hexStart = this.i;
               const hexCount = this.consumeWhile(c => 
                   (c >= char('0') && c <= char('9')) ||
@@ -273,13 +270,13 @@ export class Scanner {
                    throw <LexError>{ tag: "InvalidEscape", reason: "Expected hex digits in \\u{...}", span: this.makeSpan(braceStart) };
               }
 
-              // 3. Expect '}'
+              // Expect '}'
               if (this.peek() !== char("}")) {
                   throw <LexError>{ tag: "InvalidEscape", reason: "Expected '}' closing unicode escape", span: this.makeSpan(braceStart) };
               }
               this.next(); // consume '}'
 
-              // 4. Convert & Append
+              // Convert & Append
               const hexStr = this.text.sliceByCp(hexStart, hexStart + hexCount);
               const codePoint = parseInt(hexStr, 16);