GNU bug report logs - #15418
24.3.50; RCS annotate broken in vc-rcs.el r114131

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Richard Copley <rcopley <at> gmail.com>
Subject: bug#15418: closed (Re: bug#15418: 24.3.50; RCS annotate broken in
 vc-rcs.el r114131)
Date: Wed, 06 Nov 2013 13:47:05 +0000

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Your bug report

#15418: 24.3.50; RCS annotate broken in vc-rcs.el r114131

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 15418 <at> debbugs.gnu.org.

-- 
15418: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=15418
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Stefan Monnier <monnier <at> iro.umontreal.ca>
To: Richard Copley <rcopley <at> gmail.com>
Cc: 15418-done <at> debbugs.gnu.org
Subject: Re: bug#15418: 24.3.50; RCS annotate broken in vc-rcs.el r114131
Date: Wed, 06 Nov 2013 08:46:17 -0500

> I've tested again by loading the new version of vc-rcs.el. I think it works
> perfectly now. I ran `vc-annotate' on a large, complex master file using
> vc-rcs.el revisions 112756 (before lexical-bindings) and 114977 (latest
> revision) and got exactly the same results from both versions.

Yay!  Thanks for your patience,


        Stefan

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From: Richard Copley <rcopley <at> gmail.com>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Subject: 24.3.50; RCS annotate broken in vc-rcs.el r114131
Date: Thu, 19 Sep 2013 15:16:49 +0100

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For some files under RCS version control, `vc-annotate' now fails with
error `(wrong-type-argument integer-or-marker-p nil)'.

I think the problem is with the variable `b' whose dynamic binding
was used by `gather' and set by `incg' (local functions in
`vc-rcs-parse'), prior to r114131.

Sorry, I haven't been able to craft an example RCS master file that
reproduces the problem. The top of the stack trace looks like this.

Debugger entered--Lisp error: (wrong-type-argument integer-or-marker-p nil)
  buffer-substring-no-properties(nil 6747)
  (let ((x (buffer-substring-no-properties (cadr pairs) (car pairs))))
(message "%d %d %s" (cadr pairs) (car pairs) x) (setq acc (cons x acc)))
  (while pairs (let ((x (buffer-substring-no-properties (cadr pairs) (car
pairs)))) (message "%d %d %s" (cadr pairs) (car pairs) x) (setq acc (cons x
acc))) (setq pairs (cddr pairs)))
  (let ((pairs (cons e (append @-holes (list b)))) acc) (while pairs (let
((x (buffer-substring-no-properties (cadr pairs) (car pairs)))) (message
"%d %d %s" (cadr pairs) (car pairs) x) (setq acc (cons x acc))) (setq pairs
(cddr pairs))) (apply (quote concat) acc))


In GNU Emacs 24.3.50.1 (i686-pc-mingw32)
 of 2013-09-19 on 57172UHB
Bzr revision: 114395 michael.albinus <at> gmx.de-20130919110801-tl6ne4cxp0bmx0kf
Windowing system distributor `Microsoft Corp.', version 6.1.7601
Configured using:
 `configure --prefix c:/emacs/emacs-114395
 --enable-locallisppath=%emacs_dir%/../site-lisp 'CPPFLAGS=-I
 G:/usr/include -I C:/GnuWin32/include' 'LDFLAGS=-L G:/usr/lib -L
 C:/GnuWin32/lib''

Important settings:
  value of $LANG: ENG
  locale-coding-system: cp1252
  default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
M-x r - e - b <return>

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.

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None found.

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