bug#13111: 24.3.50; C-p moves cursor 2 lines up when global-linum-mode is enabled

[vineet naik]

Hello,

I am using the latest version of Damien Cassou's emacs-snapshot[1] on

Ubuntu 12.04. After it was updated a few days back, I noticed a weird

behaviour of `C-p` skipping a line when moving up, ie. C-p moves the

cursor 2 lines up instead of 1

After disabling some of my initializations, I figured out that this

happens only if global-linum-mode is enabled.

Recipe

------

1. Start emacs with "emacs -Q"

2. Open any file having multiple lines of text/code and try 

   using C-p to move up a line. This works as expected. 

3. Enable global-linum-mode

4. Try it again. C-p moves two lines up

In GNU Emacs 24.3.50.1 (i686-pc-linux-gnu, GTK+ Version 3.4.2)

 of 2012-12-03 on chindi02, modified by Debian

 (emacs-snapshot package, version 2:20121202-1~ppa1~precise1)

Windowing system distributor `The X.Org Foundation', version 11.0.11103000

System Description: Ubuntu 12.04.1 LTS

Configured using:

 `configure '--build' 'i686-linux-gnu' '--host' 'i686-linux-gnu'

 '--prefix=/usr' '--sharedstatedir=/var/lib' '--libexecdir=/usr/lib'

 '--localstatedir=/var' '--infodir=/usr/share/info'

 '--mandir=/usr/share/man' '--with-pop=yes'

 '--enable-locallisppath=/etc/emacs-snapshot:/etc/emacs:/usr/local/share/emacs/24.3.50/site-lisp:/usr/local/share/emacs/site-lisp:/usr/share/emacs/24.3.50/site-lisp:/usr/share/emacs/site-lisp'

 '--without-compress-info' '--with-crt-dir=/usr/lib/i386-linux-gnu/'

 '--with-x=yes' '--with-x-toolkit=gtk3' '--with-imagemagick=yes'

 'build_alias=i686-linux-gnu' 'host_alias=i686-linux-gnu'

 'CFLAGS=-DDEBIAN -DSITELOAD_PURESIZE_EXTRA=5000 -g -O2' 'LDFLAGS=-g

 -Wl,--as-needed -znocombreloc' 'CPPFLAGS=-D_FORTIFY_SOURCE=2''

Important settings:

  value of $LANG: en_IN

  locale-coding-system: iso-latin-1-unix

  default enable-multibyte-characters: t

Major mode: Lisp Interaction

Minor modes in effect:

  show-paren-mode: t

  which-function-mode: t

  icomplete-mode: t

  iswitchb-mode: t

  tooltip-mode: t

  mouse-wheel-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 p o r t - e m <tab> <return>

Recent messages:

`flet' is an obsolete macro (as of 24.3); use either `cl-flet' or `cl-letf'. [3 times]

Loading /home/vineet/emacs/site/org.el (source)...

`flet' is an obsolete macro (as of 24.3); use either `cl-flet' or `cl-letf'. [5 times]

`labels' is an obsolete macro (as of 24.3); use `cl-labels' instead.

`flet' is an obsolete macro (as of 24.3); use either `cl-flet' or `cl-letf'. [17 times]

Loading /home/vineet/emacs/site/org.el (source)...done

`flet' is an obsolete macro (as of 24.3); use either `cl-flet' or `cl-letf'.

Loading /home/vineet/emacs/site/ondemand.el (source)...done

Loading /home/vineet/emacs/site/init.el (source)...done

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

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~/emacs/site/org-mode/lisp/ob-scheme hides /usr/share/emacs/24.3.50/lisp/org/ob-scheme

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~/emacs/site/org-mode/lisp/ob-keys hides /usr/share/emacs/24.3.50/lisp/org/ob-keys

~/emacs/site/org-mode/lisp/ob-sqlite hides /usr/share/emacs/24.3.50/lisp/org/ob-sqlite

~/emacs/site/org-mode/lisp/ob-R hides /usr/share/emacs/24.3.50/lisp/org/ob-R

~/emacs/site/org-mode/lisp/ob-table hides /usr/share/emacs/24.3.50/lisp/org/ob-table

~/emacs/site/org-mode/lisp/org-feed hides /usr/share/emacs/24.3.50/lisp/org/org-feed

~/emacs/site/org-mode/lisp/ob-exp hides /usr/share/emacs/24.3.50/lisp/org/ob-exp

~/emacs/site/org-mode/lisp/org-ascii hides /usr/share/emacs/24.3.50/lisp/org/org-ascii

~/emacs/site/org-mode/lisp/org-html hides /usr/share/emacs/24.3.50/lisp/org/org-html

~/emacs/site/org-mode/lisp/org-macs hides /usr/share/emacs/24.3.50/lisp/org/org-macs

~/emacs/site/org-mode/lisp/ob-matlab hides /usr/share/emacs/24.3.50/lisp/org/ob-matlab

~/emacs/site/org-mode/lisp/org-indent hides /usr/share/emacs/24.3.50/lisp/org/org-indent

~/emacs/site/org-mode/lisp/ob-ocaml hides /usr/share/emacs/24.3.50/lisp/org/ob-ocaml

~/emacs/site/org-mode/lisp/ob-sass hides /usr/share/emacs/24.3.50/lisp/org/ob-sass

~/emacs/site/org-mode/lisp/org-rmail hides /usr/share/emacs/24.3.50/lisp/org/org-rmail

~/emacs/site/org-mode/lisp/org-footnote hides /usr/share/emacs/24.3.50/lisp/org/org-footnote

~/emacs/site/org-mode/lisp/ob-screen hides /usr/share/emacs/24.3.50/lisp/org/ob-screen

~/emacs/site/org-mode/lisp/org-timer hides /usr/share/emacs/24.3.50/lisp/org/org-timer

~/emacs/site/org-mode/lisp/ob-ledger hides /usr/share/emacs/24.3.50/lisp/org/ob-ledger

~/emacs/site/org-mode/lisp/org-beamer hides /usr/share/emacs/24.3.50/lisp/org/org-beamer

~/emacs/site/org-mode/lisp/ob-lob hides /usr/share/emacs/24.3.50/lisp/org/ob-lob

~/emacs/site/org-mode/lisp/org-jsinfo hides /usr/share/emacs/24.3.50/lisp/org/org-jsinfo

~/emacs/site/org-mode/lisp/ob-comint hides /usr/share/emacs/24.3.50/lisp/org/ob-comint

~/emacs/site/org-mode/lisp/ob-mscgen hides /usr/share/emacs/24.3.50/lisp/org/ob-mscgen

~/emacs/site/org-mode/lisp/org-wl hides /usr/share/emacs/24.3.50/lisp/org/org-wl

~/emacs/site/org-mode/lisp/ob-plantuml hides /usr/share/emacs/24.3.50/lisp/org/ob-plantuml

~/emacs/site/org-mode/lisp/org-protocol hides /usr/share/emacs/24.3.50/lisp/org/org-protocol

~/emacs/site/org-mode/lisp/ob-latex hides /usr/share/emacs/24.3.50/lisp/org/ob-latex

~/emacs/site/org-mode/lisp/org-eshell hides /usr/share/emacs/24.3.50/lisp/org/org-eshell

~/emacs/site/org-mode/lisp/org-plot hides /usr/share/emacs/24.3.50/lisp/org/org-plot

~/emacs/site/org-mode/lisp/ob-java hides /usr/share/emacs/24.3.50/lisp/org/ob-java

~/emacs/site/org-mode/lisp/org-remember hides /usr/share/emacs/24.3.50/lisp/org/org-remember

~/emacs/site/org-mode/lisp/ob-tangle hides /usr/share/emacs/24.3.50/lisp/org/ob-tangle

~/emacs/site/org-mode/lisp/org-lparse hides /usr/share/emacs/24.3.50/lisp/org/org-lparse

~/emacs/site/org-mode/lisp/ob-css hides /usr/share/emacs/24.3.50/lisp/org/ob-css

~/emacs/site/org-mode/lisp/org-datetree hides /usr/share/emacs/24.3.50/lisp/org/org-datetree

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~/emacs/site/org-mode/lisp/org-mhe hides /usr/share/emacs/24.3.50/lisp/org/org-mhe

~/emacs/site/org-mode/lisp/org-list hides /usr/share/emacs/24.3.50/lisp/org/org-list

~/emacs/site/org-mode/lisp/ob-scala hides /usr/share/emacs/24.3.50/lisp/org/ob-scala

~/emacs/site/org-mode/lisp/ob-calc hides /usr/share/emacs/24.3.50/lisp/org/ob-calc

~/emacs/site/org-mode/lisp/org-id hides /usr/share/emacs/24.3.50/lisp/org/org-id

~/emacs/site/org-mode/lisp/ob-haskell hides /usr/share/emacs/24.3.50/lisp/org/ob-haskell

~/emacs/site/org-mode/lisp/org-w3m hides /usr/share/emacs/24.3.50/lisp/org/org-w3m

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~/emacs/site/org-mode/lisp/org-compat hides /usr/share/emacs/24.3.50/lisp/org/org-compat

~/emacs/site/org-mode/lisp/org-bbdb hides /usr/share/emacs/24.3.50/lisp/org/org-bbdb

~/emacs/site/org-mode/lisp/org-inlinetask hides /usr/share/emacs/24.3.50/lisp/org/org-inlinetask

~/emacs/site/org-mode/lisp/ob-sh hides /usr/share/emacs/24.3.50/lisp/org/ob-sh

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~/emacs/site/org-mode/lisp/org-mew hides /usr/share/emacs/24.3.50/lisp/org/org-mew

~/emacs/site/org-mode/lisp/ob-ruby hides /usr/share/emacs/24.3.50/lisp/org/ob-ruby

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~/emacs/site/org-mode/lisp/ob-perl hides /usr/share/emacs/24.3.50/lisp/org/ob-perl

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~/emacs/site/org-mode/lisp/org-habit hides /usr/share/emacs/24.3.50/lisp/org/org-habit

Features:

(shadow sort mail-extr emacsbug sendmail server solarized-dark-theme

solarized-definitions org org-fixup autoload ob-emacs-lisp ob-tangle

ob-ref ob-lob ob-table org-footnote org-src ob-comint ob-keys ob ob-eval

org-pcomplete pcomplete org-list org-faces org-compat org-entities

org-macs noutline outline easy-mmode find-func cal-menu calendar

cal-loaddefs gnus-sum nnoo gnus-group gnus-undo nnmail mail-source

gnus-start gnus-spec gnus-int gnus-range message format-spec rfc822 mml

mml-sec mm-decode mm-bodies mm-encode mail-parse rfc2231 rfc2047 rfc2045

ietf-drums mailabbrev gmm-utils mailheader gnus-win gnus gnus-ems

nnheader gnus-util mail-utils mm-util mail-prsvr wid-edit jinja2-mode

sgml-mode php-mode derived rx etags cc-langs cc-mode cc-fonts cc-guess

cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs speedbar

sb-image ezimage dframe easymenu add-log byte-opt warnings bytecomp

byte-compile cconv advice flymake compile comint ansi-color ring

flymake-cursor edmacro kmacro ace-jump-mode help-fns cl-macs gv cl

cl-lib uniquify nadvice paren which-func imenu icomplete iswitchb avoid

erlang-start time-date tooltip ediff-hook vc-hooks lisp-float-type

mwheel x-win x-dnd tool-bar dnd fontset image regexp-opt fringe

tabulated-list newcomment lisp-mode register page menu-bar rfn-eshadow

timer select scroll-bar mouse jit-lock font-lock syntax facemenu

font-core frame cham georgian utf-8-lang misc-lang vietnamese tibetan

thai tai-viet lao korean japanese hebrew greek romanian slovak czech

european ethiopic indian cyrillic chinese case-table epa-hook

jka-cmpr-hook help simple abbrev minibuffer loaddefs button faces

cus-face macroexp files text-properties overlay sha1 md5 base64 format

env code-pages mule custom widget hashtable-print-readable backquote

make-network-process dbusbind dynamic-setting system-font-setting

font-render-setting move-toolbar gtk x-toolkit x multi-tty emacs)

-- 

Vineet Naik

-- 
Vineet Naik