GNU bug report logs -
#16200
shr should allow user to toggle HTML-specified colors on and off
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Reported by: Ivan Shmakov <ivan <at> siamics.net>
Date: Fri, 20 Dec 2013 13:22:02 UTC
Severity: wishlist
Tags: fixed
Fixed in version 26.1
Done: Lars Ingebrigtsen <larsi <at> gnus.org>
Bug is archived. No further changes may be made.
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bug-gnu-emacs <at> gnu.org:
bug#16200; Package
emacs.
(Fri, 20 Dec 2013 13:22:02 GMT)
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Ivan Shmakov <ivan <at> siamics.net>:
New bug report received and forwarded. Copy sent to
bug-gnu-emacs <at> gnu.org.
(Fri, 20 Dec 2013 13:22:02 GMT)
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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):
Package: emacs
Severity: wishlist
Badly-formatted netnews articles aren’t unknown in Usenet, so
Gnus already comes with a set of commands [1] to improve the
formatting of the messages as they’re shown to the user.
I’d argue, however, that ugly HTML documents are much more
common on the Web than such articles are on Usenet. Granted,
shr.el does not (as of yet) support a good deal of features
casually used to degrade the reader’s experience. Still, it
supports the ‘fgcolor’, ‘text’ and ‘bgcolor’ attributes to
<body />, and the ‘color’ attribute to <font />, leaving the
user no easy way to get rid of whatever color scheme the Web
page author has decided to use.
Also to note is that both the <font /> element and the ‘bgcolor’
and ‘text’ attributes to <body /> were already deprecated as of
HTML 4.01 (developed back in 1997–1999 – some 15 years ago! and
the specification doesn’t seem to mention ‘fgcolor’ at all) [2],
and are entirely removed as of the latest HTML5 CR [3].
My guess is that there should be a (customizable) variable
specifying whether these attributes should be honored by
default, and a command (or a minor mode?) to change the setting
for just the current buffer.
As a crude (but working) workaround, those suffering of the
“too much color” problem may choose to redefine the shr-tag-body
and shr-tag-font element handlers to simplistic wrappers around
shr-generic in their ~/.emacs, like:
(eval-after-load 'shr
'(progn
(defun shr-tag-body (cont)
(let ((shr-stylesheet (list)))
(shr-generic cont)))
(defun shr-tag-font (cont)
(shr-generic cont))))
[1] http://www.gnu.org/software/emacs/manual/html_node/gnus/Article-Washing.html
[2] http://www.w3.org/TR/html4/
[3] http://www.w3.org/TR/html5/
--
FSF associate member #7257
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bug-gnu-emacs <at> gnu.org:
bug#16200; Package
emacs.
(Sun, 02 Feb 2014 02:47:02 GMT)
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Message #8 received at 16200 <at> debbugs.gnu.org (full text, mbox):
Ivan Shmakov <ivan <at> siamics.net> writes:
> My guess is that there should be a (customizable) variable
> specifying whether these attributes should be honored by
> default, and a command (or a minor mode?) to change the setting
> for just the current buffer.
I second this. w3m knows that my Emacs frames have white text on a
black background and renders the pages accordingly, regardless of their
color settings. An equivalent feature in shr would invite me to switch.
Information forwarded
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bug-gnu-emacs <at> gnu.org:
bug#16200; Package
emacs.
(Thu, 03 Apr 2014 08:38:02 GMT)
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Message #11 received at 16200 <at> debbugs.gnu.org (full text, mbox):
>>>>> Ivan Shmakov <ivan <at> siamics.net> writes:
> Badly-formatted netnews articles aren’t unknown in Usenet, so Gnus
> already comes with a set of commands [1] to improve the formatting of
> the messages as they’re shown to the user.
> I’d argue, however, that ugly HTML documents are much more common on
> the Web than such articles are on Usenet. Granted, shr.el does not
> (as of yet) support a good deal of features casually used to degrade
> the reader’s experience.
(Such as, for instance, font-size:, especially when combined
with a non-‘auto’ width:.)
> Still, it supports the ‘fgcolor’, ‘text’ and ‘bgcolor’ attributes to
> <body />, and the ‘color’ attribute to <font />, leaving the user no
> easy way to get rid of whatever color scheme the Web page author has
> decided to use.
And, well, it also supports the color-related CSS properties, at
least those specified via the ‘style’ HTML attribute.
[…]
> As a crude (but working) workaround, those suffering of the “too much
> color” problem may choose to redefine the shr-tag-body and
> shr-tag-font element handlers to simplistic wrappers around
> shr-generic in their ~/.emacs, like:
[…]
I stand corrected: this workaround does not help with the CSS
(‘style’ attribute) color settings. Redefining
shr-colorize-region to a no-op, however, seems to work:
(eval-after-load 'shr
'(defun shr-colorize-region (start end fg &optional bg)
nil))
A proper solution would probably be to allow for a custom
initial stylesheet, along with a proper cascading implementation
(including the ‘!important’ flag handling), so that the user
could both specify the default appearance, /and/ override the
explicit styles as set by the HTML document being rendered.
> [1] http://www.gnu.org/software/emacs/manual/html_node/gnus/Article-Washing.html
[…]
--
FSF associate member #7257
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bug-gnu-emacs <at> gnu.org:
bug#16200; Package
emacs.
(Fri, 14 Nov 2014 03:31:02 GMT)
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Message #14 received at 16200 <at> debbugs.gnu.org (full text, mbox):
See
http://permalink.gmane.org/gmane.emacs.devel/177000
and the preceding thread for some discussion on this
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
Information forwarded
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bug-gnu-emacs <at> gnu.org:
bug#16200; Package
emacs.
(Fri, 25 Dec 2015 17:52:02 GMT)
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Message #17 received at 16200 <at> debbugs.gnu.org (full text, mbox):
Lars Magne Ingebrigtsen <larsi <at> gnus.org> writes:
> http://permalink.gmane.org/gmane.emacs.devel/177000
>
> and the preceding thread for some discussion on this
I've now implemented a toggle in eww for colors.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
Added tag(s) fixed.
Request was from
Lars Ingebrigtsen <larsi <at> gnus.org>
to
control <at> debbugs.gnu.org.
(Fri, 25 Dec 2015 17:52:03 GMT)
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bug marked as fixed in version 25.2, send any further explanations to
16200 <at> debbugs.gnu.org and Ivan Shmakov <ivan <at> siamics.net>
Request was from
Lars Ingebrigtsen <larsi <at> gnus.org>
to
control <at> debbugs.gnu.org.
(Fri, 25 Dec 2015 17:52:03 GMT)
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bug archived.
Request was from
Debbugs Internal Request <help-debbugs <at> gnu.org>
to
internal_control <at> debbugs.gnu.org.
(Sat, 23 Jan 2016 12:24:03 GMT)
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bug unarchived.
Request was from
Glenn Morris <rgm <at> gnu.org>
to
control <at> debbugs.gnu.org.
(Sun, 04 Dec 2016 02:50:04 GMT)
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bug Marked as fixed in versions 26.1.
Request was from
Glenn Morris <rgm <at> gnu.org>
to
control <at> debbugs.gnu.org.
(Sun, 04 Dec 2016 02:50:04 GMT)
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bug No longer marked as fixed in versions 25.2.
Request was from
Glenn Morris <rgm <at> gnu.org>
to
control <at> debbugs.gnu.org.
(Sun, 04 Dec 2016 02:50:04 GMT)
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bug archived.
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(Sun, 01 Jan 2017 12:24:03 GMT)
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This bug report was last modified 7 years and 128 days ago.
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