error: Expected Declaration value
 --> $DIR/tests/recovery/delim-token/plus/input.css:2:11
  |
2 |     prop: +;
  |           ^

error: Expected Declaration value
 --> $DIR/tests/recovery/delim-token/plus/input.css:3:14
  |
3 |     prop1: 1 + 2;
  |              ^

error: Expected Declaration value
 --> $DIR/tests/recovery/delim-token/plus/input.css:4:19
  |
4 |     prop2: func(1 + 2);
  |                   ^