Add {{{{ }}}} for raw blocks

spec/blocks.js

@@ -21,6 +21,14 @@ describe('blocks', function() {
     equal(result, "0. goodbye! 1. Goodbye! 2. GOODBYE! cruel world!", "The @index variable is used");
   });
 
+
+  it("raw block", function() {
+    var string   = "{{{{ {{test}} }}}}";
+    var hash = { test: "hello" };
+    shouldCompileTo(string, hash, " {{test}} ",
+                    "raw block ignores blocks");
+  });
+  
   it("empty block", function() {
     var string   = "{{#goodbyes}}{{/goodbyes}}cruel {{world}}!";
     var hash     = {goodbyes: [{text: "goodbye"}, {text: "Goodbye"}, {text: "GOODBYE"}], world: "world"};

src/handlebars.l

@@ -54,6 +54,11 @@ ID    [^\s!"#%-,\.\/;->@\[-\^`\{-~]+/{LOOKAHEAD}
 <mu>"("                          return 'OPEN_SEXPR';
 <mu>")"                          return 'CLOSE_SEXPR';
 
+<mu>"{{{{"[^\x00]*"}}}}"         {
+                                  yytext = yytext.substr(4, yyleng-8);
+                                  this.popState();
+                                  return 'RAW_BLOCK';
+                                 }
 <mu>"{{"{LEFT_STRIP}?">"         return 'OPEN_PARTIAL';
 <mu>"{{"{LEFT_STRIP}?"#"         return 'OPEN_BLOCK';
 <mu>"{{"{LEFT_STRIP}?"/"         return 'OPEN_ENDBLOCK';

src/handlebars.yy

@@ -35,7 +35,8 @@ statements
   ;
 
 statement
-  : openInverse program closeBlock -> new yy.BlockNode($1, $2.inverse, $2, $3, @$)
+  : RAW_BLOCK { $$ = new yy.ContentNode($1, @$); }
+  | openInverse program closeBlock -> new yy.BlockNode($1, $2.inverse, $2, $3, @$)
   | openBlock program closeBlock -> new yy.BlockNode($1, $2, $2.inverse, $3, @$)
   | mustache -> $1
   | partial -> $1