company-search-candidates: Mention company-search-regexp-function

[gnu-emacs-elpa] / company-etags.el

diff --git a/company-etags.el b/company-etags.el
index c7ba60870c48761034c1b40ff6f76f257cff9461..d1f6aaa66fb7c45515dd3eab73b310033b954ac9 100644 (file)
--- a/company-etags.el
+++ b/company-etags.el
@@ -1,4 +1,4 @@
-;;; company-etags.el --- company-mode completion back-end for etags
+;;; company-etags.el --- company-mode completion backend for etags
 
 ;; Copyright (C) 2009-2011, 2014  Free Software Foundation, Inc.
 
@@ -30,7 +30,7 @@
 (require 'etags)
 
 (defgroup company-etags nil
-  "Completion back-end for etags."
+  "Completion backend for etags."
   :group 'company)
 
 (defcustom company-etags-use-main-table-list t
@@ -51,11 +51,13 @@ buffer automatically."
 (defvar-local company-etags-buffer-table 'unknown)
 
 (defun company-etags-find-table ()
-  (let ((file (locate-dominating-file (or buffer-file-name
-                                          default-directory)
-                                      "TAGS")))
-    (when file
-      (list (expand-file-name file)))))
+  (let ((file (expand-file-name
+               "TAGS"
+               (locate-dominating-file (or buffer-file-name
+                                           default-directory)
+                                       "TAGS"))))
+    (when (and file (file-regular-p file))
+      (list file))))
 
 (defun company-etags-buffer-table ()
   (or (and company-etags-use-main-table-list tags-table-list)
@@ -74,7 +76,7 @@ buffer automatically."
 
 ;;;###autoload
 (defun company-etags (command &optional arg &rest ignored)
-  "`company-mode' completion back-end for etags."
+  "`company-mode' completion backend for etags."
   (interactive (list 'interactive))
   (cl-case command
     (interactive (company-begin-backend 'company-etags))