The parser will allow an ampersand in the title tag but fails in some instances. The following will cause it to treat all HTML that follows as plain text:
String htmlCode = "<html><head><title>&X</title></head</html>";
System.out.println(page.getTitleText());
prints &x</title></head</html> instead of &x.
The full code to reproduce:
"import com.gargoylesoftware.htmlunit.BrowserVersion;
import com.gargoylesoftware.htmlunit.StringWebResponse;
import com.gargoylesoftware.htmlunit.WebClient;
import com.gargoylesoftware.htmlunit.html.HTMLParser;
import com.gargoylesoftware.htmlunit.html.HtmlPage;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
public class HtmlUnitTest {
public static void main(String[] args) {
String htmlCode = "