element is required to note this as a "Complete Acquisition Feeds"; see https://specs.opds.io/opds-1.2#25-complete-acquisition-feeds */ $isCrawlable = $isCrawlable ?? false; $subtitle = $subtitle ?? null; // Note that the XSL stylesheet gets stripped during `se clean` when we generate the feed. // `se clean` will also start adding empty namespaces everywhere if we include the stylesheet declaration first. // We have to add it programmatically when saving the feed file. print("\n"); ?> xmlns:fh="http://purl.org/syndication/history/1.0"> /images/logo.png format('Y-m-d\TH:i:s\Z') ?> Standard Ebooks $entry]) ?>