update packages

lisp/org-ref/org-ref-natbib-bbl-citeproc.el

@@ -48,6 +48,9 @@
 ;;
 ;;; Code:
 
+(declare-function org-ref-get-cite-links "org-ref-core" ())
+(declare-function org-ref-parse-cite-path "org-ref-core" (path))
+
 (defvar org-ref-natmove)  			;silence compiler
 
 (defun org-bbl-clean-string (s)
@@ -141,7 +144,7 @@ cover any math (yet)."
   "Return natbib-options (including the brackets).
 Defaults to [numbers,super,sort]"
   (goto-char (point-min))
-  (if (re-search-forward "\\usepackage\\(?1:\\[.*\\]\\)?{natbib}")
+  (if (re-search-forward "\\\\usepackage\\(?1:\\[.*\\]\\)?{natbib}")
       (match-string 1)
     "[numbers,super,sort]"))
 
@@ -475,10 +478,10 @@ bibliography.
 	 natbib-options bibdata org-ref-natmove
 	 buf)
 
-    (when-let (buf (find-buffer-visiting tex-file))
+    (when-let* (buf (find-buffer-visiting tex-file))
       (kill-buffer buf))
 
-    (when-let (buf (find-buffer-visiting bbl-file))
+    (when-let* (buf (find-buffer-visiting bbl-file))
       (kill-buffer buf))
 
     ;; refresh these