GNU bug report logs - #20061
24.4; complete-tag at end of buffer fails

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Johan Claesson <johanclaesson <at> bredband.net>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.4; complete-tag at end of buffer fails
Date: Sun, 08 Mar 2015 20:45:50 +0100

Hi,

Running complete-tag at end of buffer will fail with end-of-buffer
error.  This happens if there is something before point that should have
been able to be expanded by complete-tag.  Below is a suggestion for
correction. 

diff --git a/lisp/progmodes/etags.el b/lisp/progmodes/etags.el
index b89b4cf..2c6cf24 100644
--- a/lisp/progmodes/etags.el
+++ b/lisp/progmodes/etags.el
@@ -809,7 +809,8 @@ If no tags table is loaded, do nothing and return nil."
          beg)
       (when pattern
        (save-excursion
-          (forward-char (1- (length pattern)))
+          (forward-char (min (- (point-max) (point))
+                             (1- (length pattern))))
           (search-backward pattern)
           (setq beg (point))
           (forward-char (length pattern))

Regards,

/Johan





In GNU Emacs 24.4.1 (x86_64-unknown-linux-gnu, X toolkit)
 of 2014-10-26 on goblin
Windowing system distributor `The X.Org Foundation', version 11.0.11600000
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o m p l e t e SPC e n d SPC o f SPC e <backspace> b 
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Memory information:
((conses 16 1897315 204662)
 (symbols 48 96596 0)
 (miscs 40 3444 7228)
 (strings 32 358637 71705)
 (string-bytes 1 10171033)
 (vectors 16 101602)
 (vector-slots 8 2431265 142560)
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 (intervals 56 177422 1226)
 (buffers 960 204)
 (heap 1024 137396 27193))

Message #10 received at 20061-done <at> debbugs.gnu.org (full text, mbox):

From: Dmitry Gutov <dgutov <at> yandex.ru>
To: 20061-done <at> debbugs.gnu.org
Subject: 24.4; complete-tag at end of buffer fails
Date: Mon, 16 Nov 2015 01:35:21 +0200

Thank you for the report.

I've fixed the bug in a slightly different way.

Branch emacs-25, f60a3b0.

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