Got simple literal expressions added into paths.

lib/handlebars/compiler/compiler.js

@@ -314,12 +314,13 @@ Handlebars.JavaScriptCompiler = function() {};
     // PUBLIC API: You can override these methods in a subclass to provide
     // alternative compiled forms for name lookup and buffering semantics
     nameLookup: function(parent, name, type) {
-      if(JavaScriptCompiler.RESERVED_WORDS[name] || name.indexOf('-') !== -1 || !isNaN(name)) {
-        return parent + "['" + name + "']";
-      } else if (/^[0-9]+$/.test(name)) {
+			if (/^[0-9]+$/.test(name)) {
         return parent + "[" + name + "]";
-      } else {
-        return parent + "." + name;
+      } else if (JavaScriptCompiler.isValidJavaScriptVariableName(name)) {
+	    	return parent + "." + name;
+			}
+			else {
+				return parent + "['" + name + "']";
       }
     },
 
@@ -734,6 +735,13 @@ Handlebars.JavaScriptCompiler = function() {};
     compilerWords[reservedWords[i]] = true;
   }
 
+	JavaScriptCompiler.isValidJavaScriptVariableName = function(name) {
+		if(!JavaScriptCompiler.RESERVED_WORDS[name] && /^[a-zA-Z_$][0-9a-zA-Z_$]+$/.test(name)) {
+			return true;
+		}
+		return false;
+	}
+
 })(Handlebars.Compiler, Handlebars.JavaScriptCompiler);
 
 Handlebars.precompile = function(string, options) {

spec/qunit_spec.js

@@ -130,6 +130,11 @@ test("nested paths with empty string value", function() {
                   "Goodbye  world!", "Nested paths access nested objects with empty string");
 });
 
+test("literal paths", function() {
+	shouldCompileTo("Goodbye {{[@alan]/expression}} world!", {"@alan": {expression: "beautiful"}},
+			"Goodbye beautiful world!", "Literal paths can be used");
+});
+
 test("--- TODO --- bad idea nested paths", function() {
   return;
 	var hash     = {goodbyes: [{text: "goodbye"}, {text: "Goodbye"}, {text: "GOODBYE"}], world: "world"};
@@ -940,5 +945,4 @@ test("when inside a block in String mode, .. passes the appropriate context in t
   }, {helpers: helpers});
 
   equals(result, "STOP ME FROM READING HACKER NEWS I need-a dad.joke wot", "Proper context variable output");
-});
-
+});

src/handlebars.l

@@ -28,6 +28,7 @@
 <mu>"false"/[}\s]            { return 'BOOLEAN'; }
 <mu>[0-9]+/[}\s]             { return 'INTEGER'; }
 <mu>[a-zA-Z0-9_$-]+/[=}\s/.] { return 'ID'; }
+<mu>\[.*\]                   { yytext = yytext.substr(1, yyleng-2); return 'ID'; }
 <mu>.                        { return 'INVALID'; }
 
 <INITIAL,mu><<EOF>>          { return 'EOF'; }