[O] [PATCH] imenu: Added a check that looking-at succeeds before using the match results.

[Ilya Shlyakhter]

* lisp/org.el (org-imenu-get-tree): Check that looking-at succeeds before using match results.                                   
                                                                                                                                 
TINYCHANGE                                                                                                                       
---
 lisp/org.el |    4 ++--                                                                                                         
 1 file changed, 2 insertions(+), 2 deletions(-)                                                                                 
                                                                                                                                 
diff --git a/lisp/org.el b/lisp/org.el                                                                                           
index ad63213..e4fb497 100644                                                                                                    
--- a/lisp/org.el                                                                                                                
+++ b/lisp/org.el                                                                                                                
@@ -21250,8 +21250,8 @@ Show the heading too, if it is currently invisible."
        (goto-char (point-max))                                                                                                  
        (while (re-search-backward re nil t)                                                                                     
          (setq level (org-reduced-level (funcall outline-level)))                                                               
-         (when (<= level n)                                                                                                     
-           (looking-at org-complex-heading-regexp)                                                                              
+         (when (and (<= level n)                                                                                                
+                    (looking-at org-complex-heading-regexp))                                                                    
            (setq head (org-link-display-format                                                                                  
                        (org-match-string-no-properties 4))                                                                      
                  m (org-imenu-new-marker))                                                                                      
--                                                                                                                               
1.7.9.3