add: rel.appendStep(step); 
context: function makeLocationExpr7(rel, dslash, step) {  rel.appendStep(makeAbbrevStep(dslash.value));  return rel;}
meta: 3428	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/3428/5b7d0f445e4aa79f03d8ed4259e14bef5795cc5e/xpath.js/clean/src/main/resources/core/xpath/xpath.js