hack-dir-local-variables-non-file-buffer
hack-dir-local-variables-non-file-buffer is a compiled Lisp function in `files.el
'.
(hack-dir-local-variables-non-file-buffer)
Apply directory-local variables to a non-file buffer.
For non-file buffers, such as Dired buffers, directory-local
variables are looked for in `default-directory' and its parent
directories.