Hello,

I am trying to execute the test suite with Ruby 1.9.3, however it fails with follwoign error:

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Error:
test_decode(TestRMailMessage):
ArgumentError: invalid byte sequence in US-ASCII
    /usr/share/ruby/pp.rb:290:in `pretty_print'
    /usr/share/ruby/pp.rb:154:in `block in pp'
    /usr/share/ruby/prettyprint.rb:217:in `block (2 levels) in group'
    /usr/share/ruby/prettyprint.rb:243:in `nest'
    /usr/share/ruby/prettyprint.rb:216:in `block in group'
    /usr/share/ruby/prettyprint.rb:228:in `group_sub'
    /usr/share/ruby/prettyprint.rb:215:in `group'
    /usr/share/ruby/pp.rb:154:in `pp'
    /usr/share/ruby/pp.rb:77:in `block in pp'
    /usr/share/ruby/pp.rb:121:in `guard_inspect_key'
    /usr/share/ruby/pp.rb:77:in `pp'
    /builddir/build/BUILDROOT/rubygem-rmail-1.0.0-5.fc17.noarch/usr/share/gems/gems/rmail-1.0.0/test/testmessage.rb:175:in
`test_decode'
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