[parser] default options & cbs to empty objects

fixes fb55#57

lib/Parser.js

@@ -1,31 +1,27 @@
 var Tokenizer = require("./Tokenizer.js");
 
-var defaultOpts = {
-	xmlMode: false, //Special behavior for script/style tags by default
-	lowerCaseAttributeNames: false, //call .toLowerCase for each attribute name
-	lowerCaseTags: false //call .toLowerCase for each tag name
-};
-
-var defaultCbs = {
-	/*
-		This is just a plain object
-		so that the parser doesn't
-		throw if no arguments were
-		provided.
-	*/
-	/*
-		oncdataend,
-		oncdatastart,
-		onclosetag,
-		oncomment,
-		oncommentend,
-		onerror,
-		onopentag,
-		onprocessinginstruction,
-		onreset,
-		ontext
-	*/
-};
+/*
+	Options:
+	
+	xmlMode: Special behavior for script/style tags (true by default)
+	lowerCaseAttributeNames: call .toLowerCase for each attribute name (true if xmlMode is `false`)
+	lowerCaseTags: call .toLowerCase for each tag name (true if xmlMode is `false`)
+*/
+
+/*
+	Callbacks:
+	
+	oncdataend,
+	oncdatastart,
+	onclosetag,
+	oncomment,
+	oncommentend,
+	onerror,
+	onopentag,
+	onprocessinginstruction,
+	onreset,
+	ontext
+*/
 
 var formTags = {
 	input: true,
@@ -77,10 +73,8 @@ var voidElements = {
 };
 
 function Parser(cbs, options){
-	if(!options) options = defaultOpts;
-	if(!cbs) cbs = defaultCbs;
-	this._options = options;
-	this._cbs = cbs;
+	this._options = options || {};
+	this._cbs = cbs || {};
 
 	this._tagname = "";
 	this._attribname = "";