Allow extra space at the beginning of the GRAMMAR #5

Author: Oleksii Okhrymenko

src/speg.js

@@ -61,7 +61,7 @@ SPEG_actions.prototype.noop = function(node) {
 };
 
 SPEG_actions.prototype.peg = function(node) {
-    return node.children[2];
+    return node.children[3];
 };
 
 SPEG_actions.prototype.parsing_body = function(node) {

src/speg_parser.js

@@ -2,6 +2,7 @@ var rd = require('./rd_parser');
 
 function peg() {
     return rd.action('peg', rd.sequence([
+        rd.zero_or_more(_()),
         parsing_header(),
         rd.one_or_more(_()),
         parsing_body(),

test/speg_grammar_fixtures/valid/simple_string_space_before_grammar.peg

@@ -0,0 +1,3 @@
+                           
+
+                           GRAMMAR url test ->"asda";newtest-> "sda";