Fabian Homborg f284cdce5b Make byte/unicode escapes with no digits a tokenizer error
This is the simple fix - if we have no valid digit, we have nothing to
return. So instead of returning a NULL, we return an error.

This is already the case for invalid octal escapes (like `\777`).

Fixes #8545
2022-03-03 12:18:13 +01:00
..
2021-08-30 17:16:19 +02:00