is(titlepage("foo bar\xACbaz"), "foo_bar__172__baz", 'U+00AC is in Latin-1 range');
is(titlepage("foo bar\x{04D2}baz"), "foo_bar\x{04D2}baz", 'U+04D2 is alphanumeric');
is(titlepage("foo bar\x{2260}baz"), "foo_bar__8800__baz", 'U+2260 is nonalphanumeric');
is(titlepage("foo bar\xACbaz"), "foo_bar__172__baz", 'U+00AC is in Latin-1 range');
is(titlepage("foo bar\x{04D2}baz"), "foo_bar\x{04D2}baz", 'U+04D2 is alphanumeric');
is(titlepage("foo bar\x{2260}baz"), "foo_bar__8800__baz", 'U+2260 is nonalphanumeric');