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Subject: Re: [gentoo-dev] metdata.dtd should require <herd/>
From: Peter Volkov <pva@gentoo.org>
To: gentoo-dev@lists.gentoo.org
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Date: Tue, 15 Dec 2009 18:19:00 +0300
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=D0=92 =D0=9F=D0=BD=D0=B4, 07/12/2009 =D0=B2 21:20 +0100, Thilo Bangert =D0=
=BF=D0=B8=D1=88=D0=B5=D1=82:
> Hans de Graaff <graaff@gentoo.org> said:
> > On Mon, 2009-12-07 at 12:56 +0100, Thilo Bangert wrote:
> > > dev-util/cucumber                       <herd> missing
> >=20
> > Fixed, but this is really a bug in metadata.dtd, which specifies
> > <!ELEMENT pkgmetadata ( (herd|maintainer|longdescription|use|
> > upstream)* )>

> indeed: http://bugs.gentoo.org/show_bug.cgi?id=3D279206

So what we will do with this? It'll be great to fix dtd to follow our
requirements, but there is a problem:

if we change dtd like this:

<!ELEMENT pkgmetadata ( herd+, (maintainer|longdescription|use|upstream)*=
 )>

we will force all metadata.xml files have strict order of tags: first
<herd/> then other tags. Currently there are about 200 ebuilds with
different order http://bugs.gentoo.org/show_bug.cgi?id=3D279206#c4 .

Hans's suggestion http://bugs.gentoo.org/show_bug.cgi?id=3D279206#c7 work=
s
but it is not nice and prohibits another order: herd, other tags, herd.

Personally I'd kept dtd simple and forced ordering.

So actually two questions here:

1. How should we fix dtd?
2. Are there any problems if we fix dtd first and let maintainers fix
metadata.xml on bumps (iow, what will became broken if metadata.xml
became not valid)?

--=20
Peter.