Make sure Gnus imap group names are decoded before searching
do not merge (fix unnecessary in Emacs 27) * lisp/gnus/nnir.el (nnir-run-imap): Ensure that non-ascii group names have been fully decoded before passing them to imap search.
do not merge (fix unnecessary in Emacs 27) * lisp/gnus/nnir.el (nnir-run-imap): Ensure that non-ascii group names have been fully decoded before passing them to imap search.