Correctly match source block edit buffers.

* org-src.el (org-src-edit-buffer-p): New function.

* org.el (org-store-link): Use the new function to correctly
match source code buffer.

TINYCHANGE

Thanks to Ilya Shlyakhter for this patch.

lisp/org-src.el

@@ -41,7 +41,7 @@
 (declare-function org-at-table.el-p "org" ())
 (declare-function org-get-indentation "org" (&optional line))
 (declare-function org-switch-to-buffer-other-window "org" (&rest args))
-(declare-function org-pop-to-buffer-same-window 
+(declare-function org-pop-to-buffer-same-window
 		  "org-compat" (&optional buffer-or-name norecord label))
 
 (defcustom org-edit-src-region-extra nil
@@ -372,6 +372,15 @@ buffer."
   "Construct the buffer name for a source editing buffer."
   (concat "*Org Src " org-buffer-name "[ " lang " ]*"))
 
+(defun org-src-edit-buffer-p (&optional buffer)
+  "Test whether BUFFER (or the current buffer if BUFFER is nil)
+is a source block editing buffer."
+  (let ((buffer (org-base-buffer (or buffer (current-buffer)))))
+    (and (buffer-name buffer)
+	 (string-match "\\`*Org Src " (buffer-name buffer))
+	 (local-variable-p 'org-edit-src-beg-marker buffer)
+	 (local-variable-p 'org-edit-src-end-marker buffer))))
+
 (defun org-edit-src-find-buffer (beg end)
   "Find a source editing buffer that is already editing the region BEG to END."
   (catch 'exit

lisp/org.el

@@ -8645,7 +8645,7 @@ For file links, arg negates `org-context-in-file-links'."
        (setq link (plist-get org-store-link-plist :link)
 	     desc (or (plist-get org-store-link-plist :description) link)))
 
-      ((equal (buffer-name) "*Org Edit Src Example*")
+      ((org-src-edit-buffer-p)
        (let (label gc)
 	 (while (or (not label)
 		    (save-excursion