Since NFC normalization does not change a text to suddenly contain characters
that are forbidden in a mailbox name, the original mailbox name already
contained the forbidden characters. There is no point in forbidding the
characters in the implicit rename.
MAILBOX_FLAG_IGNORE_ACLS));
box_old->notifying_nfc_name_change = TRUE;
box_new = mailbox_alloc(list, vname_nfc, MAILBOX_FLAG_RAW_NAME);
+ box_new->skip_create_name_restrictions = TRUE;
box_new->notifying_nfc_name_change = TRUE;
ret = mailbox_rename(box_old, box_new);