GNU logs - #30203, boring messages

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Subject: bug#30203: 25.3; without-xft fonts don't properly inherit from default face
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From: talchas@HIDDEN
Date: Sun, 21 Jan 2018 21:23:20 -0800
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When built without xft, faces that specify weight such as bold don't
take their family from the default face if it doesn't match weight.

You can see this with:
emacs -Q
(set-frame-font "-xos4-terminus-medium-r-normal--14-*-72-72-c-80-iso10646-1=
")

and look at the mode line buffer display - on my system it is
-misc-fixed-... according to dump-face. This still occurs on git HEAD
(b3fb0d47c158cb0d1acdce5008628e1d1a337bbb) as well as the system 25.3 below.

When built with xft this does not occur (still selected via the X font
name), and neither does it on 24.5. The proximate cause of the
regression appears to be bf0d3f76dcfe7881cb3058169b51cf6602fdcdcb,
reversing the

-	  =3D font_load_for_lface (f, attrs, attrs[LFACE_FONT_INDEX]);
+	  =3D font_load_for_lface (f, attrs, Ffont_spec (0, NULL));

gives the old behavior despite --without-xft. Given that xft is fine
on 25.3, there presumably is some more correct fix to font selection.






In GNU Emacs 25.3.1 (x86_64-pc-linux-gnu, GTK+ Version 3.22.19)
 of 2018-01-16 built on nights-beautiful-daughter
Windowing system distributor 'The X.Org Foundation', version 11.0.11905000
System Description:	NAME=3DGentoo

Configured using:
 'configure --prefix=3D/usr --build=3Dx86_64-pc-linux-gnu
 --host=3Dx86_64-pc-linux-gnu --mandir=3D/usr/share/man
 --infodir=3D/usr/share/info --datadir=3D/usr/share --sysconfdir=3D/etc
 --localstatedir=3D/var/lib --disable-dependency-tracking
 --disable-silent-rules --docdir=3D/usr/share/doc/emacs-25.3
 --htmldir=3D/usr/share/doc/emacs-25.3/html --libdir=3D/usr/lib64
 --program-suffix=3D-emacs-25 --infodir=3D/usr/share/info/emacs-25
 --localstatedir=3D/var
 --enable-locallisppath=3D/etc/emacs:/usr/share/emacs/site-lisp
 --with-gameuser=3D:gamestat --without-compress-install
 --with-file-notification=3Dinotify --enable-acl --without-dbus
 --without-modules --without-gpm --without-hesiod --without-kerberos
 --without-kerberos5 --with-xml2 --without-selinux --with-gnutls
 --without-wide-int --with-zlib --with-sound=3Dalsa --with-x --without-ns
 --without-gconf --without-gsettings --with-toolkit-scroll-bars
 --with-gif --with-jpeg --with-png --with-rsvg --with-tiff --with-xpm
 --without-imagemagick --without-xft --without-cairo --without-libotf
 --without-m17n-flt --with-x-toolkit=3Dgtk3 --without-xwidgets
 GENTOO_PACKAGE=3Dapp-editors/emacs-25.3 'CFLAGS=3D-O2 -pipe -march=3Dnative
 -g' CPPFLAGS=3D 'LDFLAGS=3D-Wl,-O1 -Wl,--as-needed''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY ACL GNUTLS LIBXML2 ZLIB
TOOLKIT_SCROLL_BARS GTK3 X11

Important settings:
  value of $LANG: en_US.utf8
  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

Recent messages:
For information about GNU Emacs and the GNU system, type C-h C-a.
"--no-desktop" ignored because the Desktop package is not loaded
Entering debugger...
Back to top level
delete-backward-char: Text is read-only
Making completion list...
You can run the command =E2=80=98set-frame-font=E2=80=99 with M-x s-fr-f RET
Mark set
Making completion list...

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message dired format-spec rfc822 mml
mml-sec password-cache epg epg-config gnus-util mm-decode mm-bodies
mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader sendmail
rfc2047 rfc2045 ietf-drums mm-util help-fns mail-prsvr mail-utils
help-mode easymenu cl-loaddefs pcase cl-lib debug time-date mule-util
tooltip eldoc electric uniquify ediff-hook vc-hooks lisp-float-type
mwheel 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 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 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 move-toolbar
gtk x-toolkit x multi-tty make-network-process emacs)

Memory information:
((conses 16 89132 5914)
 (symbols 48 19804 0)
 (miscs 40 56 110)
 (strings 32 16082 4471)
 (string-bytes 1 462916)
 (vectors 16 12028)
 (vector-slots 8 435971 5423)
 (floats 8 162 142)
 (intervals 56 298 4)
 (buffers 976 19))

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: talchas@HIDDEN
Subject: bug#30203: Acknowledgement (25.3; without-xft fonts don't
 properly inherit from default face)
Message-ID: <handler.30203.B.151660345929448.ack <at> debbugs.gnu.org>
References: <877esazctz.fsf@HIDDEN>
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Reply-To: 30203 <at> debbugs.gnu.org
Date: Mon, 22 Jan 2018 06:45:02 +0000

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Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#30203: 25.3; without-xft fonts don't properly inherit from default face
Resent-From: Eli Zaretskii <eliz@HIDDEN>
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
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To: talchas@HIDDEN, Kenichi Handa <handa@HIDDEN>
Cc: 30203 <at> debbugs.gnu.org
Reply-To: Eli Zaretskii <eliz@HIDDEN>
Date: Mon, 22 Jan 2018 17:49:50 +0200
Message-Id: <83k1w9rizl.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
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> From: talchas@HIDDEN
> Date: Sun, 21 Jan 2018 21:23:20 -0800
> 
> When built without xft, faces that specify weight such as bold don't
> take their family from the default face if it doesn't match weight.
> 
> You can see this with:
> emacs -Q
> (set-frame-font "-xos4-terminus-medium-r-normal--14-*-72-72-c-80-iso10646-1")
> 
> and look at the mode line buffer display - on my system it is
> -misc-fixed-... according to dump-face. This still occurs on git HEAD
> (b3fb0d47c158cb0d1acdce5008628e1d1a337bbb) as well as the system 25.3 below.
> 
> When built with xft this does not occur (still selected via the X font
> name), and neither does it on 24.5. The proximate cause of the
> regression appears to be bf0d3f76dcfe7881cb3058169b51cf6602fdcdcb,
> reversing the
> 
> -	  = font_load_for_lface (f, attrs, attrs[LFACE_FONT_INDEX]);
> +	  = font_load_for_lface (f, attrs, Ffont_spec (0, NULL));
> 
> gives the old behavior despite --without-xft. Given that xft is fine
> on 25.3, there presumably is some more correct fix to font selection.

That change was made to fix two bugs, whose numbers are mentioned in
the log entry and in the discussion of the bug.  Can you try
reproducing those bugs in the build without xft?  If those bugs only
happen with xft, then the fix is easy.  Otherwise, we will have to
investigate more thoroughly.

Thanks.

Message sent to bug-gnu-emacs@HIDDEN:

Subject: bug#30203: 25.3; without-xft fonts don't properly inherit from default face
Resent-From: talchas@HIDDEN
Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org>
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To: Eli Zaretskii <eliz@HIDDEN>
Cc: talchas@HIDDEN, Kenichi Handa <handa@HIDDEN>, 30203 <at> debbugs.gnu.org
From: talchas@HIDDEN
References: <877esazctz.fsf@HIDDEN> <83k1w9rizl.fsf@HIDDEN>
Date: Mon, 22 Jan 2018 08:59:52 -0800
In-Reply-To: <83k1w9rizl.fsf@HIDDEN> (Eli Zaretskii's message of "Mon, 22 Jan
 2018 17:49:50 +0200")
Message-ID: <87efmh7rsn.fsf@HIDDEN>
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Eli Zaretskii <eliz@HIDDEN> writes:

>> From: talchas@HIDDEN
>> Date: Sun, 21 Jan 2018 21:23:20 -0800
>> 
>> When built without xft, faces that specify weight such as bold don't
>> take their family from the default face if it doesn't match weight.
>> 
>> You can see this with:
>> emacs -Q
>> (set-frame-font "-xos4-terminus-medium-r-normal--14-*-72-72-c-80-iso10646-1")
>> 
>> and look at the mode line buffer display - on my system it is
>> -misc-fixed-... according to dump-face. This still occurs on git HEAD
>> (b3fb0d47c158cb0d1acdce5008628e1d1a337bbb) as well as the system 25.3 below.
>> 
>> When built with xft this does not occur (still selected via the X font
>> name), and neither does it on 24.5. The proximate cause of the
>> regression appears to be bf0d3f76dcfe7881cb3058169b51cf6602fdcdcb,
>> reversing the
>> 
>> -	  = font_load_for_lface (f, attrs, attrs[LFACE_FONT_INDEX]);
>> +	  = font_load_for_lface (f, attrs, Ffont_spec (0, NULL));
>> 
>> gives the old behavior despite --without-xft. Given that xft is fine
>> on 25.3, there presumably is some more correct fix to font selection.
>
> That change was made to fix two bugs, whose numbers are mentioned in
> the log entry and in the discussion of the bug.  Can you try
> reproducing those bugs in the build without xft?  If those bugs only
> happen with xft, then the fix is easy.  Otherwise, we will have to
> investigate more thoroughly.
>
> Thanks.

Unfortunately not, reverting that hunk goes from a very thin space to a
large missing-character symbol, and reverting the patch entirely just
gives a full space again.

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