void-variable error when M-x browse-url-emacs

[David O'Toole]

M-x browse-url-emacs causes a void-variable error.

In GNU Emacs 23.0.50.1 (i686-pc-linux-gnu, X toolkit)
 of 2007-12-07 on monad
Windowing system distributor `The X.Org Foundation', version 11.0.10300000
configured using `configure  '--without-toolkit-scroll-bars' 
'--with-x-toolkit=lucid' '--prefix=/usr''

Important settings:
  value of $LC_ALL: nil
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  locale-coding-system: utf-8
  default-enable-multibyte-characters: t

Major mode: Lisppaste

Minor modes in effect:
  erc-track-mode: t
  erc-track-minor-mode: t
  erc-services-mode: t
  erc-ring-mode: t
  erc-notify-mode: t
  erc-netsplit-mode: t
  erc-menu-mode: t
  erc-match-mode: t
  erc-log-mode: t
  erc-pcomplete-mode: t
  erc-button-mode: t
  erc-fill-mode: t
  erc-stamp-mode: t
  erc-autojoin-mode: t
  erc-autoaway-mode: t
  shell-dirtrack-mode: t
  recentf-mode: t
  erc-smiley-mode: t
  erc-irccontrols-mode: t
  erc-noncommands-mode: t
  erc-readonly-mode: t
  erc-scrolltobottom-mode: t
  iswitchb-mode: t
  display-time-mode: t
  show-paren-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  unify-8859-on-encoding-mode: t
  utf-translate-cjk-mode: t
  auto-compression-mode: t
  line-number-mode: t
  transient-mark-mode: t

Recent input:
d SPC t r y SPC t h a t <return> h o w SPC d <backspace> 
<backspace> <backspace> <backspace> <backspace> c a 
n SPC y o u SPC l i s p p a s t e SPC y o u r SPC c 
o n f i g ? <return> <C-tab> <C-tab> C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-SPC C-n C-n C-n C-n C-n M-x l i s p p 
a s <tab> <tab> t t <backspace> <tab> <tab> C-g C-x 
C-f <backspace> <backspace> <backspace> / i n i t . 
e l <return> M-< C-n C-n C-n C-n C-n C-n C-n C-n C-n 
C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n C-n <return> 
<return> C-p ( r e q u i r e SPC ' l i s p p a s t 
e ) C-x C-e C-x C-s M-x l i s p p <tab> <return> c 
C-x k <return> <C-tab> w o w , SPC i SPC j u s t SPC 
d i s c o v e r e d SPC l i s p p a s t e . e l <return> 
C-p C-p C-f C-f C-f C-f C-f C-f C-f C-f C-b C-SPC C-e 
M-w <C-tab> <C-tab> C-x 2 <C-tab> C-x b b r o w s e 
C-g C-x <left> M-x b r o w s e - u r l - e m <tab> 
<return> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> <backspace> <backspace> 
<backspace> <backspace> <backspace> C-y <return> M-x 
<up> <return> <up> <return> M-x r e p o r t - e m a 
c s - b u f <backspace> <pause> g <C-tab> <return>

Recent messages:
Winner undo (1 / 64)
call-interactively: Text is read-only
Contacting host: mwolson.org:80
error in process sentinel: url-http-async-sentinel: Symbol's value as variable 
is void: url-http-attempt-keepalives
error in process sentinel: Symbol's value as variable is void: 
url-http-attempt-keepalives
Quit
Contacting host: mwolson.org:80
error in process sentinel: url-http-async-sentinel: Symbol's value as variable 
is void: url-http-attempt-keepalives
error in process sentinel: Symbol's value as variable is void: 
url-http-attempt-keepalives
Quit