correct the helpers library API for the new way the lexer produces option sets etc.

Author: GerHobbelt

lib/util/grammar-printer.js

@@ -228,8 +228,8 @@ function grammarPrinter(raw, options) {
 
             for (var i = 0, len = src.length; i < len; i++) {
                 var entry = src[i];
-                var key = entry[0];
-                var value = entry[1];
+                var key = entry.name;
+                var value = entry.value;
 
                 lex_pre.push('%' + key + ' ' + value);
             }
@@ -509,8 +509,8 @@ function grammarPrinter(raw, options) {
 
         for (var i = 0, len = src.length; i < len; i++) {
             var entry = src[i];
-            var key = entry[0];
-            var value = entry[1];
+            var key = entry.name;
+            var value = entry.value;
 
             lex_pre.push('%' + key + ' ' + value);
         }