octal escape sequence literal type

[xiaoxiangmoe]

TypeScript Version: 3.9.4

Search Terms:
literal type, type inference
Code

const c :'Copyright ©'= "Copyright \251"

Expected behavior:

No error or warning for octal escape sequence

Actual behavior:

Type '"Copyright 251"' is not assignable to type '"Copyright ©"'.

Playground Link:
Playground Link
Related:

https://eslint.org/docs/rules/no-octal-escape