+sub get_altid_dump {
+ my ($ctx, $inbox, $altid_pfx) =@_;
+ my $r404 = invalid_inbox($ctx, $inbox);
+ return $r404 if $r404;
+ eval { require PublicInbox::WwwAltId } or return need($ctx, 'sqlite3');
+ PublicInbox::WwwAltId::sqldump($ctx, $altid_pfx);
+}
+