die "`\\n' not allowed in `$loc'\n" if index($loc, "\n") >= 0;
require PublicInbox::Inbox; # v2, v1
$loc = bless { inboxdir => $loc }, 'PublicInbox::Inbox';
} elsif (!-e $loc) {
warn "W: $loc gone, perhaps run: lei forget-external $loc\n";
die "`\\n' not allowed in `$loc'\n" if index($loc, "\n") >= 0;
require PublicInbox::Inbox; # v2, v1
$loc = bless { inboxdir => $loc }, 'PublicInbox::Inbox';
} elsif (!-e $loc) {
warn "W: $loc gone, perhaps run: lei forget-external $loc\n";