Re: "mtxrun --script fonts --reload" hangs when loading "LXGWNeoXiHei.ttf"

Hi Arthur,

On Wed, 2026-03-25 at 14:31 +0100, Arthur Rosendahl wrote:
> On Wed, Mar 25, 2026 at 01:50:53PM +0100, Hans Hagen via ntg-context wrote:
> > On 3/25/2026 1:17 PM, Max Chernoff wrote:
> > > Yes, but only with XeLaTeX:
> > >
> > >      https://github.com/myhsia/LXGW-CTAN/actions/runs/23419659711/job/68121899170
> >
> > kind of useless, no info, here i get with xetex
> >
> > [1
> > xdvipdfmx:fatal: Expecting zero
> >
> > No output PDF file written.
> >
> > Wondering: did someone actually look at the result file? Or is this all
> > automatic.
>
>   These are automated tests on GitHub Actions, so in all likelihood
> nobody checked the result since it passed.  Also, from a quick look it
> seems that XeTeX is run with the -no-pdf option:

Rather surprisingly, the version uploaded to the GitHub releases is
actually fine, but the version on CTAN is broken:

    $ wget -O ctan.ttf 'https://mirrors.ctan.org/fonts/lxgw-fonts/LXGWNeoXiHei.ttf'
    $ wget 'https://github.com/myhsia/LXGW-CTAN/releases/download/2026-03-23/lxgw-fonts.zip'
    $ unzip -p lxgw-fonts.zip lxgw-fonts/LXGWNeoXiHei.ttf > github.ttf
    $ wget -O upstream.ttf 'https://github.com/lxgw/LxgwNeoXiHei/releases/download/v1.242/LXGWNeoXiHei.ttf'

    $ sha256sum *.ttf
    5dfd5b8243c4104fa05edc9c82b680f823563aa6ab762c7adde66bd1b1ec6fc8  ctan.ttf
    0124410269436b64263573bab7fb97aeac3dad932079d9e8c42708c6a1330bf8  github.ttf
    0124410269436b64263573bab7fb97aeac3dad932079d9e8c42708c6a1330bf8  upstream.ttf

    $ du --bytes *.ttf
    7421501	ctan.ttf
    7437332	github.ttf
    7437332	upstream.ttf

    $ for x in *.ttf; do printf '%s\t%s\n' $x "$(strings $x | grep Version)"; done
    ctan.ttf	2Version 1.242;February 27, 2026LXGW Neo XiHei:Version 1.242
    github.ttf	2Version 1.242;February 27, 2026LXGW Neo XiHei:Version 1.242
    upstream.ttf	2Version 1.242;February 27, 2026LXGW Neo XiHei:Version 1.242

I suspect that the file got corrupted somehow during/after the upload,
in which case, no amount of testing could realistically prevent this.

Thanks,
-- Max
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