add_to_some_public_shelves => $some_public_shelves,
);
-my $content_type = ($format eq 'rss' or $format eq 'atom') ? $format : 'html';
+my $content_type = ($format eq 'rss' or $format eq 'atom' or $format eq 'opensearchdescription') ? $format : 'html';
# If GoogleIndicTransliteration system preference is On Set parameter to load Google's javascript in OPAC search screens
if (C4::Context->preference('GoogleIndicTransliteration')) {