Lars Ingebrigtsen <larsi@HIDDEN>
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From: Lars Ingebrigtsen <larsi@HIDDEN>
To: Eli Zaretskii <eliz@HIDDEN>
Subject: Re: bug#22780: 25.1.50; wrong average width picked for bold face
for 7x13 X11 font
References: <CAPt6kTOJ4VDkoAjm96hSQ_oSQXvXjR_2RnFcpJsBRg70vijuxQ@HIDDEN>
<1cnsT0-0000ii-Ph@HIDDEN> <83wpbqa6rv.fsf@HIDDEN>
Date: Sun, 17 Nov 2019 07:55:04 +0100
In-Reply-To: <83wpbqa6rv.fsf@HIDDEN> (Eli Zaretskii's message of "Wed, 15 Mar
2017 17:39:32 +0200")
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Content preview: Eli Zaretskii <eliz@HIDDEN> writes: >> Using 'git bisect'
I traced down the change that caused it and >> demonstrated that it can be
fixed by this patch. >> >> src/xfaces.c patch >> diff --git a [...]
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Cc: Kenichi Handa <handa@HIDDEN>, 22780 <at> debbugs.gnu.org, alex@HIDDEN,
"Andrew M. Bishop" <gnubugs@HIDDEN>
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Eli Zaretskii <eliz@HIDDEN> writes:
>> Using 'git bisect' I traced down the change that caused it and
>> demonstrated that it can be fixed by this patch.
>>
>> -------------------- src/xfaces.c patch --------------------
>> diff --git a/src/xfaces.c b/src/xfaces.c
>> index 5077cb2d94..c898b7886f 100644
>> --- a/src/xfaces.c
>> +++ b/src/xfaces.c
>> @@ -5485,7 +5485,7 @@ realize_x_face (struct face_cache *cache, Lisp_Object attrs[LFACE_VECTOR_SIZE])
>> }
>> if (! FONT_OBJECT_P (attrs[LFACE_FONT_INDEX]))
>> attrs[LFACE_FONT_INDEX]
>> - = font_load_for_lface (f, attrs, Ffont_spec (0, NULL));
>> + = font_load_for_lface (f, attrs, attrs[LFACE_FONT_INDEX]);
>> if (FONT_OBJECT_P (attrs[LFACE_FONT_INDEX]))
>> {
>> face->font = XFONT_OBJECT (attrs[LFACE_FONT_INDEX]);
>> -------------------- src/xfaces.c patch --------------------
>>
>> This reverts a patch that was made as part of bug #17973. The change
>> in src/font.c that was also made in that bug report seems to not be
>> relevant.
>>
>> This is clearly a regression from Emacs 24 but since this change was
>> made to fix another bug it might be quite difficult to find a change
>> that works for both.
>
> I'm CC'ing Handa-san who was involved in solving that bug. Reverting
> the solution for that bug is clearly not TRT, but I hope Handa-san
> will have comments about your particular problem.
I tried the recipe with Emacs 27, and the problem still seems to be
present there:
"-misc-fixed-medium-r-normal--13-120-75-75-c-70-iso8859-1"
"-misc-fixed-bold-r-normal--13-120-75-75-c-80-iso8859-1"
The code in realize_gui_face hasn't changed since the bug report.
--
(domestic pets only, the antidote for overdose, milk.)
bloggy blog: http://lars.ingebrigtsen.no
bug-gnu-emacs@HIDDEN:bug#22780; Package emacs.
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Date: Wed, 15 Mar 2017 17:39:32 +0200
Message-Id: <83wpbqa6rv.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
To: gnubugs@HIDDEN (Andrew M. Bishop), Kenichi Handa <handa@HIDDEN>
In-reply-to: <1cnsT0-0000ii-Ph@HIDDEN> (gnubugs@HIDDEN)
Subject: Re: bug#22780: 25.1.50;
wrong average width picked for bold face for 7x13 X11 font
References: <CAPt6kTOJ4VDkoAjm96hSQ_oSQXvXjR_2RnFcpJsBRg70vijuxQ@HIDDEN>
<1cnsT0-0000ii-Ph@HIDDEN>
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> From: gnubugs@HIDDEN (Andrew M. Bishop)
> Date: Tue, 14 Mar 2017 19:50:40 +0000
> Cc: alex@HIDDEN
>
> I have also found this problem since I use 7x13 as my default font.
> The widening of the bold version of this font makes Emacs version 25
> unusable by me.
>
> Using Alex Khesin's test case:
>
> $ emacs -Q --eval '(progn (set-face-font '\''default "7x13") (print (face-font "default")) (print (face-font "bold")))'
>
> I find that these fonts all work correctly (the width is the same for
> normal and bold versions): 6x9, 6x10, 6x12, 6x13, 7x14, 8x13, 8x16.
>
> It is only the 7x13 font that does not scale correctly since it gives
> different widths (80 compared to 70) for the bold compared to normal
> font:
>
> -misc-fixed-medium-r-normal--13-120-75-75-c-70-iso8859-1
> -misc-fixed-bold-r-normal--13-120-75-75-c-80-iso8859-1
>
>
> Using 'git bisect' I traced down the change that caused it and
> demonstrated that it can be fixed by this patch.
>
> -------------------- src/xfaces.c patch --------------------
> diff --git a/src/xfaces.c b/src/xfaces.c
> index 5077cb2d94..c898b7886f 100644
> --- a/src/xfaces.c
> +++ b/src/xfaces.c
> @@ -5485,7 +5485,7 @@ realize_x_face (struct face_cache *cache, Lisp_Object attrs[LFACE_VECTOR_SIZE])
> }
> if (! FONT_OBJECT_P (attrs[LFACE_FONT_INDEX]))
> attrs[LFACE_FONT_INDEX]
> - = font_load_for_lface (f, attrs, Ffont_spec (0, NULL));
> + = font_load_for_lface (f, attrs, attrs[LFACE_FONT_INDEX]);
> if (FONT_OBJECT_P (attrs[LFACE_FONT_INDEX]))
> {
> face->font = XFONT_OBJECT (attrs[LFACE_FONT_INDEX]);
> -------------------- src/xfaces.c patch --------------------
>
> This reverts a patch that was made as part of bug #17973. The change
> in src/font.c that was also made in that bug report seems to not be
> relevant.
>
> This is clearly a regression from Emacs 24 but since this change was
> made to fix another bug it might be quite difficult to find a change
> that works for both.
I'm CC'ing Handa-san who was involved in solving that bug. Reverting
the solution for that bug is clearly not TRT, but I hope Handa-san
will have comments about your particular problem.
Thanks.
bug-gnu-emacs@HIDDEN:bug#22780; Package emacs.
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From: gnubugs@HIDDEN (Andrew M. Bishop)
To: 22780 <at> debbugs.gnu.org
Subject: 25.1.50; wrong average width picked for bold face for 7x13 X11 font
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux)
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I have also found this problem since I use 7x13 as my default font.
The widening of the bold version of this font makes Emacs version 25
unusable by me.
Using Alex Khesin's test case:
$ emacs -Q --eval '(progn (set-face-font '\''default "7x13") (print (face-font "default")) (print (face-font "bold")))'
I find that these fonts all work correctly (the width is the same for
normal and bold versions): 6x9, 6x10, 6x12, 6x13, 7x14, 8x13, 8x16.
It is only the 7x13 font that does not scale correctly since it gives
different widths (80 compared to 70) for the bold compared to normal
font:
-misc-fixed-medium-r-normal--13-120-75-75-c-70-iso8859-1
-misc-fixed-bold-r-normal--13-120-75-75-c-80-iso8859-1
Using 'git bisect' I traced down the change that caused it and
demonstrated that it can be fixed by this patch.
-------------------- src/xfaces.c patch --------------------
diff --git a/src/xfaces.c b/src/xfaces.c
index 5077cb2d94..c898b7886f 100644
--- a/src/xfaces.c
+++ b/src/xfaces.c
@@ -5485,7 +5485,7 @@ realize_x_face (struct face_cache *cache, Lisp_Object attrs[LFACE_VECTOR_SIZE])
}
if (! FONT_OBJECT_P (attrs[LFACE_FONT_INDEX]))
attrs[LFACE_FONT_INDEX]
- = font_load_for_lface (f, attrs, Ffont_spec (0, NULL));
+ = font_load_for_lface (f, attrs, attrs[LFACE_FONT_INDEX]);
if (FONT_OBJECT_P (attrs[LFACE_FONT_INDEX]))
{
face->font = XFONT_OBJECT (attrs[LFACE_FONT_INDEX]);
-------------------- src/xfaces.c patch --------------------
This reverts a patch that was made as part of bug #17973. The change
in src/font.c that was also made in that bug report seems to not be
relevant.
This is clearly a regression from Emacs 24 but since this change was
made to fix another bug it might be quite difficult to find a change
that works for both.
bug-gnu-emacs@HIDDEN:bug#22780; Package emacs.
Full text available.Received: (at 22780) by debbugs.gnu.org; 14 Sep 2016 16:49:39 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 14 12:49:39 2016 Received: from localhost ([127.0.0.1]:59709 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1bkDNT-0001FL-LS for submit <at> debbugs.gnu.org; Wed, 14 Sep 2016 12:49:39 -0400 Received: from eggs.gnu.org ([208.118.235.92]:50389) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1bkDNS-0001F7-0y for 22780 <at> debbugs.gnu.org; Wed, 14 Sep 2016 12:49:38 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1bkDNI-0008I7-PG for 22780 <at> debbugs.gnu.org; Wed, 14 Sep 2016 12:49:32 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=-1.4 required=5.0 tests=BAYES_50,RP_MATCHES_RCVD autolearn=disabled version=3.3.2 Received: from fencepost.gnu.org ([2001:4830:134:3::e]:51627) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from <eliz@HIDDEN>) id 1bkDNI-0008Hh-Lo; Wed, 14 Sep 2016 12:49:28 -0400 Received: from 84.94.185.246.cable.012.net.il ([84.94.185.246]:3732 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_128_CBC_SHA1:128) (Exim 4.82) (envelope-from <eliz@HIDDEN>) id 1bkDNG-0007JT-7V; Wed, 14 Sep 2016 12:49:27 -0400 Date: Wed, 14 Sep 2016 19:49:31 +0300 Message-Id: <838tuu8m04.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> To: Philipp Stephani <p.stephani2@HIDDEN> In-reply-to: <CAArVCkSbrfacq=aapuKqDw0=+dDDqBGyaoLj8=M92U9TjH6HLw@HIDDEN> (message from Philipp Stephani on Wed, 14 Sep 2016 14:15:47 +0000) Subject: Re: bug#22780: 25.1.50; wrong average width picked for bold face for 7x13 X11 font References: <CAPt6kTOJ4VDkoAjm96hSQ_oSQXvXjR_2RnFcpJsBRg70vijuxQ@HIDDEN> <CAArVCkSbrfacq=aapuKqDw0=+dDDqBGyaoLj8=M92U9TjH6HLw@HIDDEN> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2001:4830:134:3::e X-Spam-Score: -7.2 (-------) X-Debbugs-Envelope-To: 22780 Cc: 22780 <at> debbugs.gnu.org, alex@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Reply-To: Eli Zaretskii <eliz@HIDDEN> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -7.2 (-------) > From: Philipp Stephani <p.stephani2@HIDDEN> > Date: Wed, 14 Sep 2016 14:15:47 +0000 > > Alex Khesin <alex@HIDDEN> schrieb am Di., 23. Feb. 2016 um 08:20 Uhr: > > emacs 25 choses fonts with different average width for 7x13 font, making bold text take more horizontal > space. This is particularly a problem when using themes like https://github.com/bbatsov/zenburn-emacs > which use bold to hihglight matching parenthesis in show-paren-mode, causing characters to shift as > the cursor is moved from a parenthesis to a non-parenthesis character. > > Repro that demonstrates the problem in both 25 pretest 1 and current head (but is perfectly ok in emacs > 24): > > $ emacs -Q --eval '(progn (set-face-font '\''default "7x13") (print (face-font "default")) (print (face-font > "bold")))' > > shows > -misc-fixed-medium-r-normal--13-120-75-75-c-70-iso8859-1 > -misc-fixed-bold-r-normal--13-120-75-75-c-80-iso8859-1 > > Notice the jump from 70 to 80 before the iso8859 component - that's the average width, and that's what > I believe is causing bold characters to render wider than non-bold ones. Both are 70 in emacs 24. > > This appears to be a regression from Emacs 24. Would be great if somebody who has knowledge about this > area could look into this. Alas, we don't have such experts on board. Moreover, I could be wrong, but I don't think font selection has seen any changes between Emacs 24 and 25. Perhaps the best way ahead is for someone who sees the problem to revert changes since Emacs 24.5 to xftfont.c, ftfont.c, and font.c one by one, and see which one causes the problem. There are only a few changes there that affect the code and font selection in particular. Sorry, but I have no better advice.
bug-gnu-emacs@HIDDEN:bug#22780; Package emacs.
Full text available.Received: (at 22780) by debbugs.gnu.org; 14 Sep 2016 14:16:06 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Wed Sep 14 10:16:06 2016 Received: from localhost ([127.0.0.1]:59642 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1bkAys-0005ZQ-9i for submit <at> debbugs.gnu.org; Wed, 14 Sep 2016 10:16:06 -0400 Received: from mail-wm0-f52.google.com ([74.125.82.52]:35059) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <p.stephani2@HIDDEN>) id 1bkAyq-0005Rx-CM for 22780 <at> debbugs.gnu.org; Wed, 14 Sep 2016 10:16:04 -0400 Received: by mail-wm0-f52.google.com with SMTP id i130so51091651wmf.0 for <22780 <at> debbugs.gnu.org>; Wed, 14 Sep 2016 07:16:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=iAdVteEx/O/Iu2LwOzR4N3Q90haYjLpgaDgm3tC2ZFs=; b=ZDM7B8wvWFyskbOolPHt1if/dtJyNisv61F8GUzjKhxrBtUDx6tVu2ikXcoM5VoV75 6sldRfdSJA/dkDIvwlYy/4MSNDiP1FoD2mCQ9/5hcHgEE5kDNHLVOncknJbpa6/pNw1P QRYtDQTEFpyzx768qXqL4uE9R3qXP1nZ4h3NRJ7DNIzT0vMC4P2M26FWAdkwRoveR3l5 U6VsjgbIALr18XicFhu51wz/5zzDS8sW6OUWhQik30XLGqpHhT1T27LvP9RtOhkfQdfq t2J326pM2tPaNEOeJO9/lwRfjw87vZif3PaikcJh/vXA/9psYp5sUjDo3DsOdELTwG3a YAxg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=iAdVteEx/O/Iu2LwOzR4N3Q90haYjLpgaDgm3tC2ZFs=; b=OayRK8DaEZzRtZ3b9TYxPvd7/lY0G48Pg+LGf6i0IEP2GNAGWIE9pPOmbYGvPzIlIZ ec7hu0cxZmpUAokXUzf6Sm1u/7FOZvOVzclrirJP78/QtrXNSDZa3rUQB8O82rdiFtkK X3xJMs75QMyS5OjljrDkirA9NtWCaCWYuF36cp2cuAhSD4SocGuluxfxNTAS2yDNmYDX HCJpSC+MYELN9g6KYhY+oytGmb1ZDkVLP26X4RBC6d+XgE+m/0bgcm4oBUQPAd8T3Zjt f9Hdr/jXJwR6Ya6WY8Pzo5uvBBWWeVCL7wlwCpwrP8dX0ZI3AODXoPLhMID9IVcxH/Mk bUYA== X-Gm-Message-State: AE9vXwMnPvGMxHsJ2rxmSk7qAADXv8o0hjra2+lt9jXq03dy7Jcr0TZTf3kIDvuUOQL586oGMBUPsvZ4TWMUkA== X-Received: by 10.28.153.70 with SMTP id b67mr11597269wme.84.1473862558385; Wed, 14 Sep 2016 07:15:58 -0700 (PDT) MIME-Version: 1.0 References: <CAPt6kTOJ4VDkoAjm96hSQ_oSQXvXjR_2RnFcpJsBRg70vijuxQ@HIDDEN> In-Reply-To: <CAPt6kTOJ4VDkoAjm96hSQ_oSQXvXjR_2RnFcpJsBRg70vijuxQ@HIDDEN> From: Philipp Stephani <p.stephani2@HIDDEN> Date: Wed, 14 Sep 2016 14:15:47 +0000 Message-ID: <CAArVCkSbrfacq=aapuKqDw0=+dDDqBGyaoLj8=M92U9TjH6HLw@HIDDEN> Subject: Re: bug#22780: 25.1.50; wrong average width picked for bold face for 7x13 X11 font To: Alex Khesin <alex@HIDDEN>, 22780 <at> debbugs.gnu.org Content-Type: multipart/alternative; boundary=001a114b32cc3d9f33053c785eed X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 22780 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: 0.0 (/) --001a114b32cc3d9f33053c785eed Content-Type: text/plain; charset=UTF-8 Alex Khesin <alex@HIDDEN> schrieb am Di., 23. Feb. 2016 um 08:20 Uhr: > emacs 25 choses fonts with different average width for 7x13 font, making > bold text take more horizontal space. This is particularly a problem when > using themes like https://github.com/bbatsov/zenburn-emacs which use bold > to hihglight matching parenthesis in show-paren-mode, causing characters to > shift as the cursor is moved from a parenthesis to a non-parenthesis > character. > > Repro that demonstrates the problem in both 25 pretest 1 and current head > (but is perfectly ok in emacs 24): > > $ emacs -Q --eval '(progn (set-face-font '\''default "7x13") (print > (face-font "default")) (print (face-font "bold")))' > > shows > -misc-fixed-medium-r-normal--13-120-75-75-c-70-iso8859-1 > -misc-fixed-bold-r-normal--13-120-75-75-c-80-iso8859-1 > > Notice the jump from 70 to 80 before the iso8859 component - that's the > average width, and that's what I believe is causing bold characters to > render wider than non-bold ones. Both are 70 in emacs 24. > > This appears to be a regression from Emacs 24. Would be great if somebody who has knowledge about this area could look into this. --001a114b32cc3d9f33053c785eed Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><br><br><div class=3D"gmail_quote"><div dir=3D"ltr">Alex K= hesin <<a href=3D"mailto:alex@HIDDEN">alex@HIDDEN</a>> schrie= b am Di., 23. Feb. 2016 um 08:20=C2=A0Uhr:<br></div><blockquote class=3D"gm= ail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-le= ft:1ex"><div dir=3D"ltr" class=3D"gmail_msg"><div class=3D"gmail_msg"><div = class=3D"gmail_msg">emacs 25 choses fonts with different average width for = 7x13 font, making bold text take more horizontal space.=C2=A0 This is parti= cularly a problem when using themes like <a href=3D"https://github.com/bbat= sov/zenburn-emacs" class=3D"gmail_msg" target=3D"_blank">https://github.com= /bbatsov/zenburn-emacs</a> which use bold to hihglight matching parenthesis= in show-paren-mode, causing characters to shift as the cursor is moved fro= m a parenthesis to a non-parenthesis character.</div><div class=3D"gmail_ms= g"><br class=3D"gmail_msg"></div><div class=3D"gmail_msg">Repro that demons= trates the problem in both 25 pretest 1 and current head (but is perfectly = ok in emacs 24):</div><div class=3D"gmail_msg"><br class=3D"gmail_msg"></di= v><div class=3D"gmail_msg">$ emacs -Q --eval '(progn (set-face-font = 9;\''default "7x13") (print (face-font "default"= ;)) (print (face-font "bold")))'</div><div class=3D"gmail_msg= "><br class=3D"gmail_msg"></div><div class=3D"gmail_msg">shows</div><div cl= ass=3D"gmail_msg"><div class=3D"gmail_msg">=C2=A0 -misc-fixed-medium-r-norm= al--13-120-75-75-c-70-iso8859-1</div><div class=3D"gmail_msg">=C2=A0 -misc-= fixed-bold-r-normal--13-120-75-75-c-80-iso8859-1</div></div><div class=3D"g= mail_msg"><br class=3D"gmail_msg"></div><div class=3D"gmail_msg">Notice the= jump from 70 to 80 before the iso8859 component - that's the average w= idth, and that's what I believe is causing bold characters to render wi= der than non-bold ones.=C2=A0 Both are 70 in emacs 24.</div><div class=3D"g= mail_msg"><br class=3D"gmail_msg"></div></div></div></blockquote><div><br><= /div><div>This appears to be a regression from Emacs 24. Would be great if = somebody who has knowledge about this area could look into this.=C2=A0</div= ></div></div> --001a114b32cc3d9f33053c785eed--
bug-gnu-emacs@HIDDEN:bug#22780; Package emacs.
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wrong average width picked for bold face for 7x13 X11 font To: bug-gnu-emacs@HIDDEN Content-Type: multipart/alternative; boundary=089e01538d98c27911052c696625 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 2001:4830:134:3::11 X-Spam-Score: -5.0 (-----) X-Debbugs-Envelope-To: submit X-Mailman-Approved-At: Tue, 23 Feb 2016 02:19:10 -0500 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -5.0 (-----) --089e01538d98c27911052c696625 Content-Type: text/plain; charset=UTF-8 emacs 25 choses fonts with different average width for 7x13 font, making bold text take more horizontal space. This is particularly a problem when using themes like https://github.com/bbatsov/zenburn-emacs which use bold to hihglight matching parenthesis in show-paren-mode, causing characters to shift as the cursor is moved from a parenthesis to a non-parenthesis character. Repro that demonstrates the problem in both 25 pretest 1 and current head (but is perfectly ok in emacs 24): $ emacs -Q --eval '(progn (set-face-font '\''default "7x13") (print (face-font "default")) (print (face-font "bold")))' shows -misc-fixed-medium-r-normal--13-120-75-75-c-70-iso8859-1 -misc-fixed-bold-r-normal--13-120-75-75-c-80-iso8859-1 Notice the jump from 70 to 80 before the iso8859 component - that's the average width, and that's what I believe is causing bold characters to render wider than non-bold ones. Both are 70 in emacs 24. Below is the diagnostics output from M-x report-emacs-bug: In GNU Emacs 25.1.50.1 (x86_64-unknown-linux-gnu, X toolkit, Xaw3d scroll bars) of 2016-02-22 built on alexk1 Repository revision: 81ef756e6aea369ec78f19b3609f01ceddc5851f Windowing system distributor 'The X.Org Foundation', version 11.0.11501000 System Description: Ubuntu 14.04 LTS (upgraded from: Ubuntu 12.04.3 LTS) Configured using: 'configure --with-x-toolkit=lucid' Configured features: XAW3D XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF GSETTINGS NOTIFY GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS LUCID X11 Important settings: value of $LANG: en_US.UTF-8 value of $XMODIFIERS: @im=ibus locale-coding-system: utf-8-unix Major mode: Lisp Interaction 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 line-number-mode: t transient-mark-mode: t Features: (shadow sort mail-extr emacsbug message dired dired-loaddefs format-spec rfc822 mml easymenu mml-sec password-cache epa derived epg epg-config gnus-util rmail rmail-loaddefs mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr mail-utils 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 dbusbind inotify dynamic-setting system-font-setting font-render-setting x-toolkit x multi-tty make-network-process emacs) --089e01538d98c27911052c696625 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div><div>emacs 25 choses fonts with different average wid= th for 7x13 font, making bold text take more horizontal space.=C2=A0 This i= s particularly a problem when using themes like <a href=3D"https://github.c= om/bbatsov/zenburn-emacs">https://github.com/bbatsov/zenburn-emacs</a> whic= h use bold to hihglight matching parenthesis in show-paren-mode, causing ch= aracters to shift as the cursor is moved from a parenthesis to a non-parent= hesis character.</div><div><br></div><div>Repro that demonstrates the probl= em in both 25 pretest 1 and current head (but is perfectly ok in emacs 24):= </div><div><br></div><div>$ emacs -Q --eval '(progn (set-face-font '= ;\''default "7x13") (print (face-font "default"= )) (print (face-font "bold")))'</div><div><br></div><div>show= s</div><div><div>=C2=A0 -misc-fixed-medium-r-normal--13-120-75-75-c-70-iso8= 859-1</div><div>=C2=A0 -misc-fixed-bold-r-normal--13-120-75-75-c-80-iso8859= -1</div></div><div><br></div><div>Notice the jump from 70 to 80 before the = iso8859 component - that's the average width, and that's what I bel= ieve is causing bold characters to render wider than non-bold ones.=C2=A0 B= oth are 70 in emacs 24.</div><div><br></div><div><br></div><div>Below is th= e diagnostics output from M-x report-emacs-bug:</div><div><br></div><div>In= GNU Emacs 25.1.50.1 (x86_64-unknown-linux-gnu, X toolkit, Xaw3d scroll bar= s)</div><div>=C2=A0of 2016-02-22 built on alexk1</div><div>Repository revis= ion: 81ef756e6aea369ec78f19b3609f01ceddc5851f</div><div>Windowing system di= stributor 'The X.Org Foundation', version 11.0.11501000</div><div>S= ystem Description:<span style=3D"white-space:pre-wrap"> </span>Ubuntu 14.04= LTS (upgraded from: Ubuntu 12.04.3 LTS)</div><div><br></div><div>Configure= d using:</div><div>=C2=A0'configure --with-x-toolkit=3Dlucid'</div>= <div><br></div><div>Configured features:</div><div>XAW3D XPM JPEG TIFF GIF = PNG RSVG IMAGEMAGICK SOUND GPM DBUS GCONF</div><div>GSETTINGS NOTIFY GNUTLS= LIBXML2 FREETYPE M17N_FLT LIBOTF XFT ZLIB</div><div>TOOLKIT_SCROLL_BARS LU= CID X11</div><div><br></div><div>Important settings:</div><div>=C2=A0 value= of $LANG: en_US.UTF-8</div><div>=C2=A0 value of $XMODIFIERS: @im=3Dibus</d= iv><div>=C2=A0 locale-coding-system: utf-8-unix</div><div><br></div><div>Ma= jor mode: Lisp Interaction</div><div><br></div><div>Minor modes in effect:<= /div><div>=C2=A0 tooltip-mode: t</div><div>=C2=A0 global-eldoc-mode: t</div= ><div>=C2=A0 electric-indent-mode: t</div><div>=C2=A0 mouse-wheel-mode: t</= div><div>=C2=A0 tool-bar-mode: t</div><div>=C2=A0 menu-bar-mode: t</div><di= v>=C2=A0 file-name-shadow-mode: t</div><div>=C2=A0 global-font-lock-mode: t= </div><div>=C2=A0 font-lock-mode: t</div><div>=C2=A0 blink-cursor-mode: t</= div><div>=C2=A0 auto-composition-mode: t</div><div>=C2=A0 auto-encryption-m= ode: t</div><div>=C2=A0 auto-compression-mode: t</div><div>=C2=A0 line-numb= er-mode: t</div><div>=C2=A0 transient-mark-mode: t</div><div><br></div><div= >Features:<br></div><div>(shadow sort mail-extr emacsbug message dired dire= d-loaddefs format-spec</div><div>rfc822 mml easymenu mml-sec password-cache= epa derived epg epg-config</div><div>gnus-util rmail rmail-loaddefs mm-dec= ode mm-bodies mm-encode mail-parse</div><div>rfc2231 mailabbrev gmm-utils m= ailheader sendmail rfc2047 rfc2045</div><div>ietf-drums mm-util mail-prsvr = mail-utils time-date mule-util tooltip</div><div>eldoc electric uniquify ed= iff-hook vc-hooks lisp-float-type mwheel</div><div>term/x-win x-win term/co= mmon-win x-dnd tool-bar dnd fontset image</div><div>regexp-opt fringe tabul= ated-list newcomment elisp-mode lisp-mode</div><div>prog-mode register page= menu-bar rfn-eshadow timer select scroll-bar</div><div>mouse jit-lock font= -lock syntax facemenu font-core term/tty-colors frame</div><div>cl-generic = cham georgian utf-8-lang misc-lang vietnamese tibetan thai</div><div>tai-vi= et lao korean japanese eucjp-ms cp51932 hebrew greek romanian</div><div>slo= vak czech european ethiopic indian cyrillic chinese charscript</div><div>ca= se-table epa-hook jka-cmpr-hook help simple abbrev obarray minibuffer</div>= <div>cl-preloaded nadvice loaddefs button faces cus-face macroexp files</di= v><div>text-properties overlay sha1 md5 base64 format env code-pages mule</= div><div>custom widget hashtable-print-readable backquote dbusbind inotify<= /div><div>dynamic-setting system-font-setting font-render-setting x-toolkit= x</div><div>multi-tty make-network-process emacs)</div><div><br></div></di= v></div> --089e01538d98c27911052c696625--
Alex Khesin <alex@HIDDEN>:bug-gnu-emacs@HIDDEN.
Full text available.bug-gnu-emacs@HIDDEN:bug#22780; Package emacs.
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1994-97 Ian Jackson.