Bug#1136160: debian-policy: Clarify that Multi-Arch is not applicable for udebs

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On Tue, Jun 23, 2026 at 07:03:52PM +0200, Helmut Grohne wrote:
> The perfect is the enemy of the good and both versions really are
> sensible to me. I see there are different preferences, but both are
> strictly better than the status quo.

I agree and like Helmut I second both patches quoted below as well.
=20
> > diff --git a/policy/ch-controlfields.rst b/policy/ch-controlfields.rst
> > index 69467c4..03b1c29 100644
> > --- a/policy/ch-controlfields.rst
> > +++ b/policy/ch-controlfields.rst
> > @@ -1381,8 +1381,10 @@ A Debian installation can combine packages from =
multiple architectures.
> >  The ``Multi-Arch`` field enables individual packages to declare their
> >  support for this feature, and influences the way dependencies are
> >  handled.  It can be declared in binary package sections of a source
> > -package template control file and in binary package control files.  The
> > -permitted field values are ``no`` (default), ``foreign``, ``same`` and
> > +package template control file and in binary package control files.
> > +The ``Multi-Arch`` field should not be added to the binary package
> > +sections for udebs because it does not apply to them.
> > +The permitted field values are ``no`` (default), ``foreign``, ``same``=
 and
> >  ``allowed``. Their semantics are described in the following sections.
> > =20
> >  .. _s-f-Multi-Arch-no:
>=20
> I second this version. I recognize Guillem's concern, but that does not
> lead me to rejecting this version.
>=20
> > diff --git a/policy/ch-controlfields.rst b/policy/ch-controlfields.rst
> > index 69467c4..124ea96 100644
> > --- a/policy/ch-controlfields.rst
> > +++ b/policy/ch-controlfields.rst
> > @@ -1381,8 +1381,9 @@ A Debian installation can combine packages from m=
ultiple architectures.
> >  The ``Multi-Arch`` field enables individual packages to declare their
> >  support for this feature, and influences the way dependencies are
> >  handled.  It can be declared in binary package sections of a source
> > -package template control file and in binary package control files.  The
> > -permitted field values are ``no`` (default), ``foreign``, ``same`` and
> > +package template control file and in binary package control files.
> > +The Multi-Arch field does not apply to udebs and should be omitted.
> > +The permitted field values are ``no`` (default), ``foreign``, ``same``=
 and
> >  ``allowed``. Their semantics are described in the following sections.
> > =20
> >  .. _s-f-Multi-Arch-no:
>=20
> I also second this version. I suggest s/ Multi-Arch / ``Multi-Arch`` /,
> but that is a formatting-only change and does not affect seconds.


--=20
cheers,
	Holger

 =E2=A2=80=E2=A3=B4=E2=A0=BE=E2=A0=BB=E2=A2=B6=E2=A3=A6=E2=A0=80
 =E2=A3=BE=E2=A0=81=E2=A2=A0=E2=A0=92=E2=A0=80=E2=A3=BF=E2=A1=81  holger@(d=
ebian|reproducible-builds|layer-acht).org
 =E2=A2=BF=E2=A1=84=E2=A0=98=E2=A0=B7=E2=A0=9A=E2=A0=8B=E2=A0=80  OpenPGP: =
B8BF54137B09D35CF026FE9D 091AB856069AAA1C
 =E2=A0=88=E2=A0=B3=E2=A3=84

Always antifa.

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