def = new HTMLPurifier_AttrDef_HTML_Nmtokens();
$this->assertDef('valid');
$this->assertDef('a0-_');
$this->assertDef('-valid');
$this->assertDef('_valid');
$this->assertDef('double valid');
$this->assertDef('0invalid', false);
$this->assertDef('-0', false);
// test conditional replacement
$this->assertDef('validassoc 0invalid', 'validassoc');
// test whitespace leniency
$this->assertDef(" double\nvalid\r", 'double valid');
// test case sensitivity
$this->assertDef('VALID');
}
}