fix issue #24

https://github.com/jkitchin/org-ref/issues/24
I put a save-restriction/widen wrapper around the link message to make sure it can find the bibfile, or other information it needs.

diff --git a/org-ref.el b/org-ref.el
index 86d2464e013069f31e568229e8073363a4b0b186..3fdecfb93874389c334334044cc93d37a8ca8175 100644 (file)
--- a/org-ref.el
+++ b/org-ref.el
@@ -2845,87 +2845,88 @@ Shows bad citations, ref links and labels"
 (defun org-ref-link-message ()
   "Print a minibuffer message about the link that point is on."
   (interactive)
 (defun org-ref-link-message ()
   "Print a minibuffer message about the link that point is on."
   (interactive)

-  (when (eq major-mode 'org-mode)
-    (let* ((object (org-element-context))
-          (type (org-element-property :type object)))
-      (save-excursion
-       (cond
-        ;; cite links
-        ((-contains? org-ref-cite-types type)
-         (message (org-ref-get-citation-string-at-point)))
-
-        ;; message some context about the label we are referring to
-        ((string= type "ref")
-         (message "%scount: %s"
-                  (org-ref-get-label-context
-                   (org-element-property :path object))
-                  (org-ref-count-labels
-                       (org-element-property :path object))))
-
-        ((string= type "eqref")
-         (message "%scount: %s"
-                  (org-ref-get-label-context
-                   (org-element-property :path object))
-                  (org-ref-count-labels
-                       (org-element-property :path object))))
-
-        ;; message the count
-        ((string= type "label")
-         (let ((count (org-ref-count-labels
-                       (org-element-property :path object))))
-           ;; get plurality on occurrence correct
-           (message (concat
-                     (number-to-string count)
-                     " occurence"
-                     (when (or (= count 0)
-                               (> count 1))
-                       "s")))))
-
-        ((string= type "custom-id")
-         (save-excursion
-           (org-open-link-from-string
-            (format "[[#%s]]" (org-element-property :path object)))
-           (message "%s" (org-get-heading))))
-
-         ;; check if the bibliography files exist.
-        ((string= type "bibliography")
-         (let* ((bibfile)
-                ;; object is the link you clicked on
-                (object (org-element-context))
-                (link-string (org-element-property :path object))
-                (link-string-beginning)
-                (link-string-end))
-           (save-excursion
-             (goto-char (org-element-property :begin object))
-             (search-forward link-string nil nil 1)
-             (setq link-string-beginning (match-beginning 0))
-             (setq link-string-end (match-end 0)))
-
-            ;; make sure we are in link and not before the :
-           (when (> link-string-beginning (point))
-             (goto-char link-string-beginning))
-
-           ;; now if we have comma separated bibliographies
-           ;; we find the one clicked on. we want to
-           ;; search forward to next comma from point
+  (save-restriction
+    (widen)
+    (when (eq major-mode 'org-mode)
+      (let* ((object (org-element-context))
+            (type (org-element-property :type object)))
+       (save-excursion
+         (cond
+          ;; cite links
+          ((-contains? org-ref-cite-types type)
+           (message (org-ref-get-citation-string-at-point)))
+
+          ;; message some context about the label we are referring to
+          ((string= type "ref")
+           (message "%scount: %s"
+                    (org-ref-get-label-context
+                     (org-element-property :path object))
+                    (org-ref-count-labels
+                     (org-element-property :path object))))
+
+          ((string= type "eqref")
+           (message "%scount: %s"
+                    (org-ref-get-label-context
+                     (org-element-property :path object))
+                    (org-ref-count-labels
+                     (org-element-property :path object))))
+
+          ;; message the count
+          ((string= type "label")
+           (let ((count (org-ref-count-labels
+                         (org-element-property :path object))))
+             ;; get plurality on occurrence correct
+             (message (concat
+                       (number-to-string count)
+                       " occurence"
+                       (when (or (= count 0)
+                                 (> count 1))
+                         "s")))))
+
+          ((string= type "custom-id")

            (save-excursion
            (save-excursion

-             (if (search-forward "," link-string-end 1 1)
-                 (setq key-end (- (match-end 0) 1)) ; we found a match
-               (setq key-end (point)))) ; no comma found so take the point
+             (org-open-link-from-string
+              (format "[[#%s]]" (org-element-property :path object)))
+             (message "%s" (org-get-heading))))
+
+          ;; check if the bibliography files exist.
+          ((string= type "bibliography")
+           (let* ((bibfile)
+                  ;; object is the link you clicked on
+                  (object (org-element-context))
+                  (link-string (org-element-property :path object))
+                  (link-string-beginning)
+                  (link-string-end))
+             (save-excursion
+               (goto-char (org-element-property :begin object))
+               (search-forward link-string nil nil 1)
+               (setq link-string-beginning (match-beginning 0))
+               (setq link-string-end (match-end 0)))
+
+             ;; make sure we are in link and not before the :
+             (when (> link-string-beginning (point))
+               (goto-char link-string-beginning))
+
+             ;; now if we have comma separated bibliographies
+             ;; we find the one clicked on. we want to
+             ;; search forward to next comma from point
+             (save-excursion
+               (if (search-forward "," link-string-end 1 1)
+                   (setq key-end (- (match-end 0) 1)) ; we found a match
+                 (setq key-end (point)))) ; no comma found so take the point

 
 

-           ;; and backward to previous comma from point
-           (save-excursion
-             (if (search-backward "," link-string-beginning 1 1)
-                 (setq key-beginning (+ (match-beginning 0) 1)) ; we found a match
-               (setq key-beginning (point)))) ; no match found
-           ;; save the key we clicked on.
-           (setq bibfile
-                 (org-ref-strip-string
-                  (buffer-substring key-beginning key-end)))
-           (if (file-exists-p bibfile)
-               (message "%s exists." bibfile)
-             (message "!!! %s NOT FOUND !!!" bibfile))))
-        )))))
+             ;; and backward to previous comma from point
+             (save-excursion
+               (if (search-backward "," link-string-beginning 1 1)
+                   (setq key-beginning (+ (match-beginning 0) 1)) ; we found a match
+                 (setq key-beginning (point)))) ; no match found
+             ;; save the key we clicked on.
+             (setq bibfile
+                   (org-ref-strip-string
+                    (buffer-substring key-beginning key-end)))
+             (if (file-exists-p bibfile)
+                 (message "%s exists." bibfile)
+               (message "!!! %s NOT FOUND !!!" bibfile))))))))))

 
 ;; ** aliases
 (defalias 'oro 'org-ref-open-citation-at-point)
 
 ;; ** aliases
 (defalias 'oro 'org-ref-open-citation-at-point)