"Add librera advice to doc-view." (if-let ((index (librera-sync-fb2-reader-mode-load-index-actual fb2-reader-file-name))) (setq librera-sync-fb2-reader-mode-index ...
EMBED <iframe src="https://archive.org/embed/com.foobnix.pro.pdf.reader_4852" width="560" height="384" frameborder="0" webkitallowfullscreen="true" mozallowfullscreen ...