From: Mauro Carvalho Chehab <mchehab@kernel.org>
To: Akira Yokosawa <akiyks@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>,
Vegard Nossum <vegard.nossum@oracle.com>,
linux-doc@vger.kernel.org
Subject: Re: PDF misery
Date: Sun, 18 Feb 2024 11:17:52 +0100 [thread overview]
Message-ID: <20240218111752.45cd9b8a@coco.lan> (raw)
In-Reply-To: <64908dd3-17c9-47e3-a076-d78105fb823b@gmail.com>
Em Sun, 18 Feb 2024 18:58:47 +0900
Akira Yokosawa <akiyks@gmail.com> escreveu:
> Hi Jon,
>
> A few comments on PDF of CJK docs.
>
> On Sat, 17 Feb 2024 14:29:24 -0700, Jonathan Corbet wrote:
> > [...]
> >
> > The *other* problem is that PDF generation of the Chinese, Korean, or
> > Japanese translations fails with:
> >
> > xdvipdfmx:fatal: Invalid TTC index number
> >
> > This, I am thinking, is likely some sort of F39 bug. xdvipdfmx is
> > finding the CJK fonts just fine, but then something clearly goes wrong.
> > I'll try to find the time to narrow that down and perhaps put in a
> > proper bug report.
>
> I think this is because xdvipdfmx accesses NotoSansCJK-VF.ttc, which is
> a variable font. xdvipdfmx/xetex can't work with such fonts (yet).
> See note at the bottom for more info on variable fonts support.
>
> It sounds like you have google-noto-sans-cjk-vf-fonts installed on your
> system besides google-noto-sans-cjk-fonts.
>
> What does
>
> fc-list | grep NotoSansCJK-VF.ttc
>
> say?
>
> I'm wondering why xdvipdfmx behaves that way despite the fontconfig
> setting with:
>
> fc-match "Noto Sans CJK SC"
>
> returning:
>
> NotoSansCJK-Regular.ttc: "Noto Sans CJK SC" "Regular"
>
> This might be a bug in xdvipdfmx worth reporting. Or there might
> be glitches in the fontconfig setting.
>
>
> Uninstalling google-noto-sans-cjk-vf-fonts (and
> google-noto-serif-cjk-vf-fonts in case you have it) should resolve
> the issue for you, that is if you can safely uninstall it/them.
Tried the above on my desktop with Fedora 39:
<snip>
$ fc-list | grep NotoSansCJK-VF.ttc
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK TC:style=Bold
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK SC:style=Bold
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK HK:style=Bold
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK KR:style=Bold
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK JP:style=Bold
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK TC:style=Black
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK SC:style=Black
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK KR:style=Black
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK HK:style=Black
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK JP:style=Black
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK KR
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK HK
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK JP
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK TC
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK SC
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK JP:style=Thin,Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK HK:style=Thin,Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK KR:style=Thin,Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK TC:style=Thin,Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK SC:style=Thin,Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK SC:style=Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK TC:style=Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK JP:style=Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK HK:style=Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK KR:style=Regular
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK TC:style=DemiLight
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK SC:style=DemiLight
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK TC:style=Light
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK SC:style=Light
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK JP:style=DemiLight
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK TC:style=Medium
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK HK:style=DemiLight
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK KR:style=DemiLight
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK JP:style=Light
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK SC:style=Medium
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK KR:style=Light
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK HK:style=Light
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK HK:style=Medium
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK KR:style=Medium
/usr/share/fonts/google-noto-sans-cjk-vf-fonts/NotoSansCJK-VF.ttc: Noto Sans CJK JP:style=Medium
$ fc-match "Noto Sans CJK SC"
NotoSansCJK-VF.ttc: "Noto Sans CJK SC" "Regular"
$ sudo dnf remove google-noto-sans-cjk-vf-fonts google-noto-serif-cjk-vf-fonts -y
...
Removed:
default-fonts-cjk-sans-4.0-9.fc39.noarch default-fonts-cjk-serif-4.0-9.fc39.noarch google-noto-sans-cjk-vf-fonts-1:2.004-5.fc39.noarch
google-noto-serif-cjk-vf-fonts-1:2.002-2.fc39.noarch
Done!
$ fc-list | grep NotoSansCJK-VF.ttc
$ fc-match "Noto Sans CJK SC"
Vera.ttf: "Bitstream Vera Sans" "Regular"
</snip>
Thanks,
Mauro
next prev parent reply other threads:[~2024-02-18 10:17 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-17 21:29 PDF misery Jonathan Corbet
2024-02-18 0:40 ` Mauro Carvalho Chehab
2024-02-18 9:58 ` Akira Yokosawa
2024-02-18 10:17 ` Mauro Carvalho Chehab [this message]
2024-02-19 17:49 ` Jonathan Corbet
2024-02-18 10:08 ` Vegard Nossum
2024-02-18 13:07 ` Vegard Nossum
2024-02-18 15:49 ` Akira Yokosawa
2024-02-18 19:57 ` Mauro Carvalho Chehab
2024-02-18 22:15 ` Jonathan Corbet
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