update packages

lisp/org-ref/org-ref-pdf.el

@@ -40,6 +40,13 @@
 
 (declare-function org-ref-bibtex-key-from-doi "org-ref-bibtex.el")
 
+;; See https://github.com/jkitchin/org-ref/issues/812
+;; apparently there is a function name change coming in
+;; (if (and (not (fboundp 'dnd-unescape-uri))
+;; 	 (fboundp 'dnd--escape-uri))
+;;     (defalias 'dnd-unescape-uri 'dnd--unescape-uri)
+;;   (warn "dnd-unescape-uri is undefined. Some things may not work."))
+
 (defgroup org-ref-pdf nil
   "Customization group for org-ref-pdf"
   :tag "Org Ref PDF"
@@ -272,7 +279,8 @@ variable `org-ref-pdf-doi-regex'."
   "Lookup highlighted text in PDFView in CrossRef."
   (interactive)
   (require 'pdf-view)
-  (pdf-view-assert-active-region)
+  (unless (pdf-view-active-region-p)
+    (error "The region is not active"))
   (let* ((txt (pdf-view-active-region-text)))
     (pdf-view-deactivate-region)
     (crossref-lookup (mapconcat 'identity txt "	 \n"))))