bug#22928: 25.1.50; shr stops rendering when encountering invalid data: images

[Lars Magne Ingebrigtsen]

It should instead just ignore the errors:

Debugger entered--Lisp error: (error "Invalid base64 data")
  base64-decode-string("R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs")
  
shr-image-from-data("image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs")
  shr-tag-img((img ((src . 
"data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs") (alt . 
"19th before") (data-cid . "site/dynamic_size_image-1456543289_395_3047") 
(data-cdata . "{\"asset_id\":6106077,\"ratio\":\"*\"}"))))
  shr-descend((img ((src . 
"data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs") (alt . 
"19th before") (data-cid . "site/dynamic_size_image-1456543289_395_3047") 
(data-cdata . "{\"asset_id\":6106077,\"ratio\":\"*\"}"))))
  shr-tag-span((span nil "\n" (img ((src . 
"data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs") (alt . 
"19th before") (data-cid . "site/dynamic_size_image-1456543289_395_3047") 
(data-cdata . "{\"asset_id\":6106077,\"ratio\":\"*\"}")))))

...



In GNU Emacs 25.1.50.23 (x86_64-unknown-linux-gnu, GTK+ Version 3.4.2)
 of 2016-03-06 built on stories
Repository revision: 20cc4182598c6c724f4556faf6bc322c9e58ad1d
Windowing system distributor 'The X.Org Foundation', version 11.0.11204000
System Description:     Debian GNU/Linux 7.9 (wheezy)

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GSETTINGS NOTIFY GNUTLS
LIBXML2 FREETYPE LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11

Important settings:
  value of $LANG: en_US
  locale-coding-system: iso-latin-1-unix

Major mode: Group

Minor modes in effect:
  shell-dirtrack-mode: t
  diff-auto-refine-mode: t
  gnus-topic-mode: t
  gnus-undo-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-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
  buffer-read-only: t
  line-number-mode: t

Recent messages:
Quit
gnutls.c: [0] (Emacs) Received alert:  Handshake failed
shr-image-from-data: Invalid base64 data [2 times]
nil
(args-out-of-range arith-error buffer-read-only end-of-file file-error 
invalid-function invalid-regexp no-catch search-failed setting-constant 
void-function void-variable wrong-number-of-arguments wrong-type-argument)
shr-image-from-data: Invalid base64 data
t
Entering debugger...
Mark set
Back to top level

Load-path shadows:
/home/larsi/src/clock.el/clock hides /home/larsi/lisp/clock
/home/larsi/src/cddb.el/expect hides /home/larsi/lisp/expect
/home/larsi/src/pvr.el/pvr hides /home/larsi/lisp/pvr
~/pgnus/contrib/vcard hides /home/larsi/lisp/vcard
/home/larsi/src/cddb.el/captitle hides /home/larsi/lisp/captitle
~/lisp/zenirc-2.112/src/zenirc-example hides /home/larsi/lisp/zenirc-example
/home/larsi/lisp/dom hides /home/larsi/src/emacs/trunk/lisp/dom
~/pgnus/contrib/compface hides /home/larsi/src/emacs/trunk/lisp/image/compface

Features:
(etags tramp-cache tramp tramp-compat tramp-loaddefs trampver
ucs-normalize advice log-edit pcvs-util noutline outline csid atom json
vcalendar shell pcomplete grep compile comint vc-bzr dired-aux cc-mode
cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars
cc-defs pulse xref project ring sh-script smie executable mailalias
smtpmail vc-git diff-mode map pp shadow emacsbug sendmail binhex canlock
ecomplete flow-fill eieio-opt speedbar sb-image ezimage dframe find-func
thingatpt view sgml-mode misearch multi-isearch tabify imenu man vc
vc-dispatcher copyright vc-cvs eww shr-color color gnus-html url-queue
help-fns url-cache gnus-picon sort gnus-cite smiley ansi-color
mm-archive gnus-async gnus-dup qp gnus-ml gmane spam-gmane dns mm-url
disp-table gnus-fun gnus-mdrtn gnus-topic pop3 nndoc nnmbox nndraft
utf-7 nnmh nnml nnfolder network-stream nsm starttls nnir spam-report
spam spam-stat gnus-uu yenc gnus-agent gnus-srvr gnus-score score-mode
nnvirtual gnus-msg gnus-art mm-uu mml2015 mm-view mml-smime smime dig
nntp gnus-cache gnus-sum gnus-group gnus-undo gnus-start gnus-cloud
nnimap nnmail mail-source utf7 netrc nnoo parse-time gnus-spec gnus-int
gnus-range message format-spec rfc822 mml mml-sec epa epg mailabbrev
gmm-utils mailheader gnus-win gnus nnheader gnus-util rmail
rmail-loaddefs mail-utils movie mkv shr svg imdb dom pvr debug
debbugs-gnu easy-mmode derived debbugs soap-client mm-decode mm-bodies
mm-encode url-http tls gnutls url-auth mail-parse rfc2231 rfc2047
rfc2045 ietf-drums url-gw puny url url-proxy url-privacy url-expand
url-methods url-history url-cookie url-domsuf url-util mailcap warnings
rng-xsd rng-dt rng-util xsd-regexp xml ido seq flyspell ispell benchmark
w3m browse-url doc-view subr-x dired dired-loaddefs image-mode timezone
w3m-hist w3m-fb w3m-ems wid-edit w3m-ccl ccl w3m-favicon w3m-image
w3m-proc w3m-util add-log mail-extr mm-util mail-prsvr jka-compr cl
finder-inf package epg-config url-handlers url-parse auth-source cl-seq
eieio byte-opt bytecomp byte-compile cl-extra help-mode easymenu cconv
eieio-core cl-macs gv eieio-loaddefs cl-loaddefs pcase cl-lib
password-cache url-vars time-date mule-util tooltip eldoc electric
uniquify ediff-hook vc-hooks lisp-float-type mwheel term/x-win x-win
term/common-win x-dnd tool-bar dnd fontset image regexp-opt fringe
tabulated-list newcomment elisp-mode lisp-mode prog-mode register page
menu-bar rfn-eshadow timer select scroll-bar mouse jit-lock font-lock
syntax facemenu font-core term/tty-colors frame cl-generic cham georgian
utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korean
japanese eucjp-ms cp51932 hebrew greek romanian slovak czech european
ethiopic indian cyrillic chinese charscript case-table epa-hook
jka-cmpr-hook help simple abbrev obarray minibuffer cl-preloaded nadvice
loaddefs button faces cus-face macroexp files text-properties overlay
sha1 md5 base64 format env code-pages mule custom widget
hashtable-print-readable backquote inotify dynamic-setting
system-font-setting font-render-setting move-toolbar gtk x-toolkit x
multi-tty make-network-process emacs)

Memory information:
((conses 16 8075342 352702)
 (symbols 48 176911 513)
 (miscs 40 1569 7692)
 (strings 32 462838 39486)
 (string-bytes 1 25923987)
 (vectors 16 72674)
 (vector-slots 8 2092469 177193)
 (floats 8 7423 7822)
 (intervals 56 1930600 20211)
 (buffers 976 218)
 (heap 1024 441915 218094))

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no