+ ;; get rid of empty link and doi
+ (setq output (replace-regexp-in-string " <a href=\"\">link</a>\\." "" output))
+ ;; change double dash to single dash
+ (setq output (replace-regexp-in-string "--" "-" output))
+ (setq output (replace-regexp-in-string " <a href=\"http://dx\\.doi\\.org/\">doi</a>\\." "" output))