/src/main/java/org/htmlunit/html/HtmlElement.java
if ( ATTRIBUTE_NOT_DEFINED == attrib) {
if ( ATTRIBUTE_NOT_DEFINED == oldAttributeValue ) {
} private void fireAttributeChangeImpl(final HtmlAttributeChangeEvent event, final HtmlPage htmlPage, final boolean mappedElement, final String oldAttributeValue) { if (mappedElement) { htmlPage.addMappedElement(this); } <extra_id_0> fireHtmlAttributeAdded(event); htmlPage.fireHtmlAttributeAdded(event); } else { fireHtmlAttributeReplaced(event); htmlPage.fireHtmlAttributeReplaced(event);