rem: return gIoService.newURI(link, null, base); 
add: try { return gIoService.newURI(link, null, base); } catch(e) { return null; } 
context: function strToURI(link, base) {  var base = base || null;  return gIoService.newURI(link, null, base);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/978a88c7e592b2bdb3d0aedc3f74ed7060909a58/FeedProcessor.js/clean/toolkit/components/feeds/src/FeedProcessor.js