/src/main/java/org/htmlunit/html/BaseFrameElement.java
&& hasFeature ( FRAME_LOCATION_ABOUT_BLANK_FOR_ABOUT_SCHEME ) ) { source = UrlUtils.ABOUT_BLANK;
public void loadInnerPage() throws FailingHttpStatusCodeException { String source = getSrcAttribute(); if (source.isEmpty()) { source = UrlUtils.ABOUT_BLANK; } else if (StringUtils.startsWithIgnoreCase(source, UrlUtils.ABOUT_SCHEME) <extra_id_0> } loadInnerPageIfPossible(source); final Page enclosedPage = getEnclosedPage(); if (enclosedPage != null && enclosedPage.isHtmlPage()) { final HtmlPage htmlPage = (HtmlPage) enclosedPage; final AbstractJavaScriptEngine<?> jsEngine = htmlPage.getWebClient().getJavaScriptEngine();