1unknown: wanted: foo-ext -> foo 2unknown: strip_addr foo-ext -> foo 3unknown: wanted: foo-ext -> foo -ext 4unknown: strip_addr foo-ext -> foo -ext 5unknown: wanted: foo-ext@bar -> foo@bar 6unknown: strip_addr foo-ext@bar -> foo@bar 7unknown: wanted: foo-ext@bar -> foo@bar -ext 8unknown: strip_addr foo-ext@bar -> foo@bar -ext 9unknown: wanted: foo+ext@bar -> foo@bar +ext 10unknown: strip_addr foo+ext@bar -> foo@bar +ext 11unknown: wanted: foo bar+ext -> foo bar +ext 12unknown: strip_addr foo bar+ext -> foo bar +ext 13