[3.13] gh-90241: Clarify documentation for PyUnicode_FSConverter and PyUnicode_FSDecoder (GH-128451)#128542

serhiy-storchaka merged 1 commit intopython:3.13python/cpython:3.13from

miss-islington:backport-657d7b7-3.13miss-islington/cpython:backport-657d7b7-3.13Copy head branch name to clipboard