Improve TODO for %= parsing
@@ -346,7 +346,10 @@ struct Scanner {
case ']':
case '}':
case '>':
- // TODO: Implement %= as external rule.
+ // TODO: Implement %= as external rule and re-enable = as a valid
+ // unbalanced delimiter. That will be necessary due to ambiguity
+ // between &= assignment operator and %=...= as string
+ // content delimiter.
//case '=':
case '+':
case '-':
