[Rpm-metadata] xml update

[Jeff Johnson]

seth vidal wrote:

>>I think we'd want to either nail down a standard priority regime or set
>>up translation tables first.
>>
>>Maybe priority regimes could be set as an attribute?
>>
>><priority system="debian">required</priority>
>>
>>    
>>
>
>But where does this data come from?
>  
>

I can/will make this data magically (and configurably) appear from
existing apt-rpm files using a header extension. From an rpm-python
point of view, this is just another tag, so common metadata can
be entirely automated, streamlining maintenance.

>I don't have a problem about this being in the common area - but It has
>to be optional - b/c if all I have a is a dir of rpms then this data
>isn't present.
>  
>

Yes, existence must be optional, with well defined default value if/when 
missing,
and permission to totally ignore the value until reliable 
implementations exist.

73 de Jeff