1*4882a593SmuzhiyunThe author disclaims copyright to this source code. In place of a legal notice, here is a blessing: 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunMay you do good and not evil. 4*4882a593SmuzhiyunMay you find forgiveness for yourself and forgive others. 5*4882a593SmuzhiyunMay you share freely, never taking more than you give. 6