/src/main/java/org/htmlunit/html/DefaultElementFactory.java
result = new HtmlButtonInput( qualifiedName, page, attributeMap) ;element = new HtmlHeader( qualifiedName, page, attributeMap) ;
element = new HtmlHeader ( qualifiedName, page, attributeMap ) ;
element = new HtmlFrameSet(qualifiedName, page, attributeMap); break; case HtmlHead.TAG_NAME: element = new HtmlHead(qualifiedName, page, attributeMap); break; case HtmlHeader.TAG_NAME: <extra_id_0> break; case HtmlHeading1.TAG_NAME: element = new HtmlHeading1(qualifiedName, page, attributeMap); break; case HtmlHeading2.TAG_NAME: element = new HtmlHeading2(qualifiedName, page, attributeMap);