Mental note #4: pbuilder definitely uses UTC, whereas debuild uses local
time (UTC+8 in my case).  But it's the same time anyway: Tue Nov 25
18:23:11 2025 (in UTC).
Strange why Fontforge keeps using that particular time.

Anyway, I'm playing with the flag "no-FFTM-table" (see #1).  Maybe it
helps, maybe not.  We also have some upstream bug reports about this
annoying behaviour (see #2).

#1: https://github.com/fontforge/fontforge/pull/4320/commits
#2: https://github.com/fontforge/fontforge/issues/2711

Cheers,

-- 
Danai

On Fri, 28 Nov 2025 at 00:27, Danai SAE-HAN (韓達耐) <[email protected]>
wrote:

> Mental note #2: the difference between both of Hilmar's AFM files is
> exactly 26 hours, up to the second.
>
> >@@ -1,6 +1,6 @@
> > StartFontMetrics 2.0
> > Comment Generated by FontForge 20230101
> >-Comment Creation Date: Wed Nov 26 08:23:11 2025
> >+Comment Creation Date: Tue Nov 25 06:23:11 2025
> > FontName bkaiu02
> > FullName AR PL KaitiM Big5 02
> > FamilyName AR PL KaitiM Big5
>
> Mental note #3: the AFM uses a localised version of the "digit", i.e. a
> dot for Anglo-Saxon, and a comma for continental European countries.
> Funny, I would have guessed that the AFM format always uses locale C (and
> therefore a dot) and that FontForge would stick to a dot.
>
> @@ -10,8 +10,8 @@
>  Comment Subfont version 2025-11-25.
>  ItalicAngle 0
>  IsFixedPitch true
> -UnderlinePosition -96,6797
> -UnderlineThickness 48,8281
> +UnderlinePosition -96.6797
> +UnderlineThickness 48.8281
>  Version 2.10
>  EncodingScheme FontSpecific
>  FontBBox -12425 -6536 7690 22253
>
> I suspect a clock issue, and a locale issue.
>
> Cheers,
>
> --
> Danai
>
> On Thu, 27 Nov 2025 at 15:55, Preuße, Hilmar <[email protected]> wrote:
>
>> On 11/27/2025 6:26 AM, Danai SAE-HAN (韓達耐) wrote:
>>
>> Hello,
>>
>> > Okay, mental note #1:
>> > With "debuild" (without parallel jobs) I am getting the same AFM font
>> > content with each build (and I did 3x):
>> >
>> >  > Comment Generated by FontForge 20230101
>> >  > Comment Creation Date: Wed Nov 26 02:23:11 2025
>> >
>>
>> I just inspected just the deb packages, which were in the artifact of
>> Salsa CI.
>> The files are meanwhile deleted on the server, so the test needs to be
>> re-enabled to get a new set.
>>
>> Hilmar
>> --
>> sigfault
>>
>>

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