From unknown Fri Aug 15 19:22:33 2025 X-Loop: help-debbugs@gnu.org Subject: bug#37397: 26.2; less-than-character cuts off end of pre tag in eww Resent-From: Kevin Brubeck Unhammer Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 13 Sep 2019 09:46:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 37397 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 37397@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.156836790826253 (code B ref -1); Fri, 13 Sep 2019 09:46:01 +0000 Received: (at submit) by debbugs.gnu.org; 13 Sep 2019 09:45:08 +0000 Received: from localhost ([127.0.0.1]:44379 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i8i8Z-0006pN-Kr for submit@debbugs.gnu.org; Fri, 13 Sep 2019 05:45:08 -0400 Received: from lists.gnu.org ([209.51.188.17]:42127) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i8i8V-0006p8-GZ for submit@debbugs.gnu.org; Fri, 13 Sep 2019 05:45:05 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56859) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i8i8T-0004B6-PZ for bug-gnu-emacs@gnu.org; Fri, 13 Sep 2019 05:45:03 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.1 required=5.0 tests=BAYES_50,RCVD_IN_DNSWL_LOW, URIBL_BLOCKED autolearn=disabled version=3.3.2 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i8i8S-0002Oz-7C for bug-gnu-emacs@gnu.org; Fri, 13 Sep 2019 05:45:01 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:48957) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i8i8S-0002Mz-3H for bug-gnu-emacs@gnu.org; Fri, 13 Sep 2019 05:45:00 -0400 Received: from compute1.internal (compute1.nyi.internal [10.202.2.41]) by mailout.nyi.internal (Postfix) with ESMTP id AFD9821A92; Fri, 13 Sep 2019 05:44:58 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute1.internal (MEProxy); Fri, 13 Sep 2019 05:44:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=content-type:date:from:message-id :mime-version:subject:to:x-me-proxy:x-me-proxy:x-me-sender :x-me-sender:x-sasl-enc; s=fm3; bh=CvjZVUN7VGXiweqrDADlCWSpEeUOK UfmhwijlRptCPg=; b=eecNoAZDy8bOlJAwaNoHzrnk+lewQ2Ncl3dnghjP1vzr7 9Ew6tLJBd/GAjFDeopa18L1MFup8rTxlGmrPazoTqHAMOH5PjyWnV1SLXLktLh4P Fli8AsM0a9VU+7LYNquEnBHd/v0oQ9tPnv9yuTz9nZCrUD+URxqBeLfKH1b7jdNR JQoHE2qUGoBhUfM6BY8jJg2jG1PMplOJPjVZs5+WuHvZHyxow8QSPsIYsuRK7jBw 6VbU/B3SrryPgD3oNYbYFk9fFfUPmaJdl7wGK3tarUtiZMAe1bjpZnx7RM5JNY1d mWV7hBYREm4JFP+cbVwLG9poNrLb/aM3yctggy+jQ== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedufedrtdejgddukecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhephffvufffkfggtgesthdtredttddttd enucfhrhhomhepmfgvvhhinhcuuehruhgsvggtkhcufghnhhgrmhhmvghruceouhhnhhgr mhhmvghrsehfshhfvgdrohhrgheqnecuffhomhgrihhnpehhrghskhgvlhhlfhhorhgrlh hlrdgtohhmnecurfgrrhgrmhepmhgrihhlfhhrohhmpehunhhhrghmmhgvrhesfhhsfhgv rdhorhhgnecuvehluhhsthgvrhfuihiivgeptd X-ME-Proxy: From: Kevin Brubeck Unhammer Date: Fri, 13 Sep 2019 11:44:55 +0200 Message-ID: <87pnk4o7hk.fsf@trigram.no> MIME-Version: 1.0 Content-Type: text/plain X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.111.4.25 X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -3.3 (---) Doing M-x eww http://www.haskellforall.com/2012/09/the-functor-design-pattern.html RET I see idB = return (._B) = (<= ... and our map function obeyed the functor laws: where it should show idB = return (._B) = (<=<) ... and our map function obeyed the functor laws: The html for this fragment is 
    idB   = return
    (._B) = (<=<)
... and our map function obeyed the functor laws: In GNU Emacs 26.2 (build 2, x86_64-pc-linux-gnu, GTK+ Version 3.24.8) of 2019-04-12 built on lcy01-amd64-026 Windowing system distributor 'The X.Org Foundation', version 11.0.12004000 System Description: Ubuntu 19.04 Recent messages: For information about GNU Emacs and the GNU system, type C-h C-a. Contacting host: www.haskellforall.com:80 Mark saved where search started Configured using: 'configure --build=x86_64-linux-gnu --prefix=/usr '--includedir=${prefix}/include' '--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info' --sysconfdir=/etc --localstatedir=/var --disable-silent-rules '--libdir=${prefix}/lib/x86_64-linux-gnu' '--libexecdir=${prefix}/lib/x86_64-linux-gnu' --disable-maintainer-mode --disable-dependency-tracking --prefix=/usr --sharedstatedir=/var/lib --program-suffix=26 --with-modules --with-file-notification=inotify --with-mailutils --with-x=yes --with-x-toolkit=gtk3 --with-xwidgets --with-lcms2 'CFLAGS=-g -O2 -fdebug-prefix-map=/build/emacs26-YcBQyB/emacs26-26.2~1.gitfd1b34b=. -fstack-protector-strong -Wformat -Werror=format-security -no-pie' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2' 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro -no-pie'' Configured features: XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GSETTINGS GLIB NOTIFY LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS XWIDGETS LIBSYSTEMD LCMS2 Important settings: value of $LANG: nn_NO.UTF-8 locale-coding-system: utf-8-unix Major mode: eww Minor modes in effect: tooltip-mode: t global-eldoc-mode: t electric-indent-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 buffer-read-only: t line-number-mode: t transient-mark-mode: t Load-path shadows: None found. Features: (shadow sort mail-extr emacsbug message dired dired-loaddefs rfc822 mml mml-sec epa derived epg epg-config mm-decode mm-bodies mm-encode mailabbrev gmm-utils mailheader sendmail misearch multi-isearch cl-extra help-mode network-stream starttls url-http tls gnutls mail-parse rfc2231 url-gw nsm rmc url-cache url-auth eww easymenu puny mm-url gnus nnheader gnus-util rmail rmail-loaddefs rfc2047 rfc2045 ietf-drums mail-utils wid-edit mm-util mail-prsvr url-queue url url-proxy url-privacy url-expand url-methods url-history url-cookie url-domsuf url-util url-parse auth-source cl-seq eieio eieio-core cl-macs eieio-loaddefs password-cache url-vars mailcap shr svg xml seq byte-opt gv bytecomp byte-compile cconv dom browse-url format-spec cl-loaddefs cl-lib elec-pair 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 replace newcomment text-mode elisp-mode lisp-mode prog-mode register page menu-bar rfn-eshadow isearch 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 composite charscript charprop 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 threads dbusbind inotify lcms2 dynamic-setting system-font-setting font-render-setting xwidget-internal move-toolbar gtk x-toolkit x multi-tty make-network-process emacs) Memory information: ((conses 16 195310 11775) (symbols 48 25414 1) (miscs 40 66 284) (strings 32 49980 1480) (string-bytes 1 1464447) (vectors 16 19116) (vector-slots 8 575203 10820) (floats 8 111 602) (intervals 56 11653 664) (buffers 992 12)) From unknown Fri Aug 15 19:22:33 2025 X-Loop: help-debbugs@gnu.org Subject: bug#37397: 26.2; less-than-character cuts off end of pre tag in eww Resent-From: Robert Pluim Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 13 Sep 2019 10:18:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 37397 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Kevin Brubeck Unhammer Cc: 37397@debbugs.gnu.org Received: via spool by 37397-submit@debbugs.gnu.org id=B37397.156836984729225 (code B ref 37397); Fri, 13 Sep 2019 10:18:02 +0000 Received: (at 37397) by debbugs.gnu.org; 13 Sep 2019 10:17:27 +0000 Received: from localhost ([127.0.0.1]:44393 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i8idq-0007bJ-Q5 for submit@debbugs.gnu.org; Fri, 13 Sep 2019 06:17:27 -0400 Received: from mail-wr1-f44.google.com ([209.85.221.44]:35239) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1i8idp-0007b4-EJ for 37397@debbugs.gnu.org; Fri, 13 Sep 2019 06:17:25 -0400 Received: by mail-wr1-f44.google.com with SMTP id g7so31602047wrx.2 for <37397@debbugs.gnu.org>; 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Fri, 13 Sep 2019 03:17:19 -0700 (PDT) Received: from rpluim-mac ([149.5.228.1]) by smtp.gmail.com with ESMTPSA id r18sm31031760wrx.36.2019.09.13.03.17.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 13 Sep 2019 03:17:18 -0700 (PDT) From: Robert Pluim References: <87pnk4o7hk.fsf@trigram.no> Mail-Copies-To: never Gmane-Reply-To-List: yes Date: Fri, 13 Sep 2019 12:17:17 +0200 In-Reply-To: <87pnk4o7hk.fsf@trigram.no> (Kevin Brubeck Unhammer's message of "Fri, 13 Sep 2019 11:44:55 +0200") Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) >>>>> On Fri, 13 Sep 2019 11:44:55 +0200, Kevin Brubeck Unhammer said: Kevin> Doing Kevin> M-x eww http://www.haskellforall.com/2012/09/the-functor-design-pattern.html RET Kevin> I see Kevin> idB = return Kevin> (._B) = (<= Kevin> ... and our map function obeyed the functor laws: Kevin> where it should show Kevin> idB = return Kevin> (._B) = (<=<) Kevin> ... and our map function obeyed the functor laws: Kevin> The html for this fragment is Kevin> 
    Kevin>     idB   = return
    Kevin>     (._B) = (<=<)
    Kevin>
Kevin> ... and our map function obeyed the functor laws: The source html is incorrect: it should have written those '<' as '<'. 
 does not mean 'anything goes'.

Robert




From unknown Fri Aug 15 19:22:33 2025
X-Loop: help-debbugs@gnu.org
Subject: bug#37397: 26.2; less-than-character cuts off end of pre tag in eww
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From: Kevin Brubeck Unhammer 
References: <87pnk4o7hk.fsf@trigram.no> 
Date: Fri, 13 Sep 2019 13:25:50 +0200
In-Reply-To:  (Robert Pluim's message of "Fri, 13
 Sep 2019 12:17:17 +0200")
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Robert Pluim  =C4=8D=C3=A1lii:

> The source html is incorrect: it should have written those '<' as
> '<'. 
 does not mean 'anything goes'.

It does show up "correctly" in Firefox and Chromium though. With a
string such as "<)" (or perhaps "<" followed by anything other than
[a-zA-Z/]), it's obviously not a tag of any sort, so why not just print
it literally? I've noticed the problem on other pages as well =E2=80=93 and=
 even
MDC's example on 
 usage has literal angle brackets:
https://developer.mozilla.org/en-US/docs/Web/HTML/Element/pre#Example_2
though eww shows those just fine.

Although looking at shr, it seems it calls to libxml-parse-html-region,
so I suppose it's not something easily fixed on the Emacs side anyway.




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From: Robert Pluim 
References: <87pnk4o7hk.fsf@trigram.no> 
 <874l1go2td.fsf@mm.st>
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Date: Fri, 13 Sep 2019 14:12:20 +0200
In-Reply-To: <874l1go2td.fsf@mm.st> (Kevin Brubeck Unhammer's message of "Fri, 
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>>>>> On Fri, 13 Sep 2019 13:25:50 +0200, Kevin Brubeck Unhammer  said:

    Kevin> Robert Pluim  =C4=8D=C3=A1lii:
    >> The source html is incorrect: it should have written those '<' as
    >> '<'. 
 does not mean 'anything goes'.

    Kevin> It does show up "correctly" in Firefox and Chromium though. With=
 a
    Kevin> string such as "<)" (or perhaps "<" followed by anything other t=
han
    Kevin> [a-zA-Z/]), it's obviously not a tag of any sort, so why not jus=
t print
    Kevin> it literally? I've noticed the problem on other pages as well =
=E2=80=93 and even
    Kevin> MDC's example on 
 usage has literal angle brackets:
    Kevin> https://developer.mozilla.org/en-US/docs/Web/HTML/Element/pre#Ex=
ample_2
    Kevin> though eww shows those just fine.

It does, but those angle brackets are balanced, which is not the case
for your example.

    Kevin> Although looking at shr, it seems it calls to libxml-parse-html-=
region,
    Kevin> so I suppose it's not something easily fixed on the Emacs side a=
nyway.

Not really. Perhaps you could ask the libxml developers what they
think.

Robert




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From: Noam Postavsky 
References: <87pnk4o7hk.fsf@trigram.no> 
 <874l1go2td.fsf@mm.st> 
Date: Fri, 13 Sep 2019 08:36:01 -0400
In-Reply-To:  (Robert Pluim's message of "Fri, 13
 Sep 2019 14:12:20 +0200")
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forcemerge 37009 37397
quit

Robert Pluim  writes:

>     Kevin> Although looking at shr, it seems it calls to libxml-parse-html-region,
>     Kevin> so I suppose it's not something easily fixed on the Emacs side anyway.
>
> Not really. Perhaps you could ask the libxml developers what they
> think.

Yes, though Lars suggested a preprocessing step might fix this problem
as well (see https://debbugs.gnu.org/37009#14).




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From: Kevin Brubeck Unhammer 
References: <87pnk4o7hk.fsf@trigram.no> 
 <874l1go2td.fsf@mm.st> 
 <87muf89xvy.fsf@gmail.com>
Date: Fri, 13 Sep 2019 14:45:19 +0200
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Noam Postavsky  =C4=8D=C3=A1lii:

>> Not really. Perhaps you could ask the libxml developers what they
>> think.
>
> Yes, though Lars suggested a preprocessing step might fix this problem
> as well (see https://debbugs.gnu.org/37009#14).

https://gitlab.gnome.org/GNOME/libxml2/issues/101=20





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tags 37009 fixed
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