tracetag_valid({ :tag => "a" * 256 }, :valid => false)
tracetag_valid({ :tag => "a/b" }, :valid => false)
tracetag_valid({ :tag => "a;b" }, :valid => false)
tracetag_valid({ :tag => "a" * 256 }, :valid => false)
tracetag_valid({ :tag => "a/b" }, :valid => false)
tracetag_valid({ :tag => "a;b" }, :valid => false)