The ApiDoc states that the Exceptions are thrown on getting the Properties. ("http://xml.apache.org/xalan- j/apidocs/org/w3c/dom/css/CSS2Properties.html#setAzimuth(java.lang.String)") The w3c-states that they are thrown on setting them. ("http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113/css.html#CSS- CSS2Properties") I do not know if I found the right place to report this, but there was no Option in bugzilla for Documentation or the dom.css-package
Reassigning to correct component owner.