error: unrecognized token
  --> testdata/idents/non-ascii.proto:5:7
   |
 5 | kitty_🐈<U+200D>⬛
   |       ^^^^^^^^^^^^

error: non-ASCII identifiers are not allowed
  --> testdata/idents/non-ascii.proto:6:1
   |
 6 | 黑猫
   | ^^^^

error: non-ASCII identifiers are not allowed
  --> testdata/idents/non-ascii.proto:7:1
   |
 7 | काली बिल्ली
   | ^^^^

error: non-ASCII identifiers are not allowed
  --> testdata/idents/non-ascii.proto:7:6
   |
 7 | काली बिल्ली
   |      ^^^^^

error: non-ASCII identifiers are not allowed
  --> testdata/idents/non-ascii.proto:8:1
   |
 8 | 黑猫_suffix
   | ^^^^^^^^^^^

encountered 5 errors
