v = vNull.New(); System.err.println( "warning: keyword not found: &" + s);
iRuntime.bomb("keyword not found: &" + s);
public static vDescriptor resolveKey(String s) {    vDescriptor v = (vDescriptor) keytab.get(s);    if (v == null) {	v = vNull.New();	System.err.println(	    "warning: keyword not found: &" + s);    }    return v;}