Bug#1064454: debian-policy: Restrict deb822 field names more

[Sam Hartman <hartmans@debian.org>]

>>>>> "Niels" == Niels Thykier <niels@thykier.net> writes:

    Niels> Simon Josefsson:
    >> Would it make sense to change this to use an inclusive list of
    >> permitted characters instead?  How about checking the field names
    >> that is in use today, and construct a regexp of permitted symbols
    >> out of that?  Starting point: [A-Za-z][A-Za-z0-9-_]*
    >> 
    >> /Simon

    Niels> That is an option and would work for me.

I'd support something along these lines--an inclusive description rather
than an exclusive description.