Bug 273163 [CSS] Remove dependency on org.apache.commons.logging, xerces, xml.resolver
We shouldn't require this.
bundles/org.eclipse.e4.ui.css.core/src/org/eclipse/e4/ui/css/core/impl/sac/CSSDocumentHandlerImpl.java
parentStyleSheet = styleSheet;
			
			CSSRuleListImpl rules = new CSSRuleListImpl();
			styleSheet.setRuleList(rules);
			getNodeStack().push(styleSheet);
			getNodeStack().push(rules);
		} else {
			
		}
	}
	public void endDocument(InputSource source) throws CSSException {
		
		getNodeStack().pop();
		nodeRoot = getNodeStack().pop();
	}
	public void comment(String text) throws CSSException {
	}
	public void ignorableAtRule(String atRule) throws CSSException {
		
		CSSUnknownRuleImpl ir = new CSSUnknownRuleImpl(parentStyleSheet, null,
				atRule);
		if (!getNodeStack().empty()) {
			((CSSRuleListImpl) getNodeStack().peek()).add(ir);
		} else {
			
			nodeRoot = ir;
		}
	}
	public void namespaceDeclaration(String prefix, String uri)
			throws CSSException {