From: Carsten Dominik <dominik@science.uva.nl>
Date: Tue, 1 Feb 2005 12:39:39 +0000 (+0000)
Subject: (reftex-access-scan-info): Error out in a
X-Git-Tag: ttn-vms-21-2-B4~2485
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=489632ba4fd4e909e91897dde14d15fca0d0ff74;p=emacs.git

(reftex-access-scan-info): Error out in a
	buffer not visiting a file.
---

diff --git a/lisp/textmodes/reftex.el b/lisp/textmodes/reftex.el
index 318279b1377..49485c24725 100644
--- a/lisp/textmodes/reftex.el
+++ b/lisp/textmodes/reftex.el
@@ -1228,6 +1228,11 @@ This enforces rescanning the buffer on next use."
   ;; But, when RESCAN is -1, don't rescan even if docstruct is empty.
   ;; When FILE is non-nil, parse only from that file.
 
+  ;; Error out in a buffer without a file.
+  (if (and reftex-mode
+	   (not (buffer-file-name)))
+      (error "RefTeX works only in buffers visiting a file."))
+
   ;; Make sure we have the symbols tied
   (if (eq reftex-docstruct-symbol nil)
       ;; Symbols are not yet tied: Tie them.