vlib/v/scanner/tests/empty_character_literal_err.vv:2:8: error: invalid empty character literal ``
    1 | fn main() {
    2 |     a := ``
      |           ^
    3 |     println(a)
    4 | }
vlib/v/scanner/tests/empty_character_literal_err.vv:2:7: details: use quotes for strings, backticks for characters
    1 | fn main() {
    2 |     a := ``
      |          ^
    3 |     println(a)
    4 | }
