diff --git a/cook.js b/cook.js
index 62ab0baae..573c2cfe0 100644
--- a/cook.js
+++ b/cook.js
@@ -2,6 +2,8 @@
 //
 // Usage: node cook.js <recipefile>
 
+"use strict";
+
 var TiddlyWiki = require("./js/TiddlyWiki.js").TiddlyWiki,
 	Recipe = require("./js/Recipe.js").Recipe,
 	util = require("util");
diff --git a/ginsu.js b/ginsu.js
index 845fe2283..6dba361d2 100644
--- a/ginsu.js
+++ b/ginsu.js
@@ -5,6 +5,9 @@
 // The .html extension is optional
 //
 // Ginsu creates the specified places the .tid files in the specified directory (which must already exist)
+
+"use strict";
+
 var fs = require("fs"),
 	path = require("path"),
 	Tiddler = require("./js/Tiddler.js").Tiddler,
diff --git a/js/ArgParser.js b/js/ArgParser.js
index 148f6d95c..f2366d832 100755
--- a/js/ArgParser.js
+++ b/js/ArgParser.js
@@ -17,6 +17,8 @@ Options and their defaults are:
 
 */
 
+"use strict";
+
 var ArgParser = function(argString,options) {
 	var parseToken = function(match,p) {
 		var n;
@@ -35,16 +37,16 @@ var ArgParser = function(argString,options) {
 		return n;
 	};
 	this.byPos = [];
-	var dblQuote = "(?:\"((?:(?:\\\\\")|[^\"])+)\")";
-	var sngQuote = "(?:'((?:(?:\\\\\')|[^'])+)')";
-	var dblSquare = "(?:\\[\\[((?:\\s|\\S)*?)\\]\\])";
-	var dblBrace = "(?:\\{\\{((?:\\s|\\S)*?)\\}\\})";
-	var unQuoted = options.noNames ? "([^\"'\\s]\\S*)" : "([^\"':\\s][^\\s:]*)";
-	var emptyQuote = "((?:\"\")|(?:''))";
-	var skipSpace = "(?:\\s*)";
-	var token = "(?:" + dblQuote + "|" + sngQuote + "|" + dblSquare + "|" + dblBrace + "|" + unQuoted + "|" + emptyQuote + ")";
-	var re = options.noNames ? new RegExp(token,"mg") : new RegExp(skipSpace + token + skipSpace + "(?:(\\:)" + skipSpace + token + ")?","mg");
-	var match;
+	var dblQuote = "(?:\"((?:(?:\\\\\")|[^\"])+)\")",
+		sngQuote = "(?:'((?:(?:\\\\\')|[^'])+)')",
+		dblSquare = "(?:\\[\\[((?:\\s|\\S)*?)\\]\\])",
+		dblBrace = "(?:\\{\\{((?:\\s|\\S)*?)\\}\\})",
+		unQuoted = options.noNames ? "([^\"'\\s]\\S*)" : "([^\"':\\s][^\\s:]*)",
+		emptyQuote = "((?:\"\")|(?:''))",
+		skipSpace = "(?:\\s*)",
+		token = "(?:" + dblQuote + "|" + sngQuote + "|" + dblSquare + "|" + dblBrace + "|" + unQuoted + "|" + emptyQuote + ")",
+		re = options.noNames ? new RegExp(token,"mg") : new RegExp(skipSpace + token + skipSpace + "(?:(\\:)" + skipSpace + token + ")?","mg"),
+		match;
 	do {
 		match = re.exec(argString);
 		if(match) {
@@ -69,8 +71,8 @@ var ArgParser = function(argString,options) {
 	} while(match);
 	this.byName = {};
 	for(var t=0; t<this.byPos.length; t++) {
-		var n = this.byPos[t].n;
-		var v = this.byPos[t].v;
+		var n = this.byPos[t].n,
+			v = this.byPos[t].v;
 		if(n in this.byName)
 			this.byName[n].push(v);
 		else
diff --git a/js/FileRetriever.js b/js/FileRetriever.js
index 30ada27ea..633a7e0a3 100644
--- a/js/FileRetriever.js
+++ b/js/FileRetriever.js
@@ -3,6 +3,8 @@ FileRetriever can asynchronously retrieve files from HTTP URLs or the local file
 throttling so that we don't get error EMFILE "Too many open files".
 */
 
+"use strict";
+
 var fs = require("fs"),
 	path = require("path"),
 	url = require("url"),
diff --git a/js/Recipe.js b/js/Recipe.js
index 88de19a24..3d1022a12 100755
--- a/js/Recipe.js
+++ b/js/Recipe.js
@@ -27,6 +27,8 @@ this.ingredients = {
 
 */
 
+"use strict";
+
 var Tiddler = require("./Tiddler.js").Tiddler,
 	tiddlerInput = require("./TiddlerInput.js"),
 	tiddlerOutput = require("./TiddlerOutput.js"),
diff --git a/js/Tiddler.js b/js/Tiddler.js
index 24137a840..24efb55a7 100755
--- a/js/Tiddler.js
+++ b/js/Tiddler.js
@@ -14,6 +14,8 @@ Tiddler.fields - hashmap of tiddler fields
 
 */
 
+"use strict";
+
 var Tiddler = function(/* tiddler,fields */) {
 	var tiddler, fields, c = 0, t;
 	if(arguments[c] instanceof Tiddler) {
diff --git a/js/TiddlerInput.js b/js/TiddlerInput.js
index 6ffafcde1..27874ca02 100755
--- a/js/TiddlerInput.js
+++ b/js/TiddlerInput.js
@@ -2,6 +2,8 @@
 Functions concerned with parsing representations of tiddlers
 */
 
+"use strict";
+
 var ArgParser = require("./ArgParser.js").ArgParser,
 	utils = require("./Utils.js"),
 	util = require("util");
diff --git a/js/TiddlerOutput.js b/js/TiddlerOutput.js
index fdfee2c0d..ab920222f 100755
--- a/js/TiddlerOutput.js
+++ b/js/TiddlerOutput.js
@@ -2,6 +2,8 @@
 Functions concerned with parsing representations of tiddlers
 */
 
+"use strict";
+
 var utils = require("./Utils.js");
 
 var tiddlerOutput = exports;
diff --git a/js/TiddlyWiki.js b/js/TiddlyWiki.js
index 9e2b88683..4861d4d74 100755
--- a/js/TiddlyWiki.js
+++ b/js/TiddlyWiki.js
@@ -1,3 +1,5 @@
+"use strict";
+
 var Tiddler = require("./Tiddler.js").Tiddler;
 
 var TiddlyWiki = function() {
diff --git a/js/TiddlyWikiInput.js b/js/TiddlyWikiInput.js
index d821bf57d..2d9943e4d 100755
--- a/js/TiddlyWikiInput.js
+++ b/js/TiddlyWikiInput.js
@@ -2,6 +2,8 @@
 Functions concerned with parsing TiddlyWiki files
 */
 
+"use strict";
+
 var tiddlerInput = require("./TiddlerInput.js"),
 	utils = require("./Utils.js");
 
diff --git a/js/Utils.js b/js/Utils.js
index 9e2e47737..d8f1a6203 100755
--- a/js/Utils.js
+++ b/js/Utils.js
@@ -4,6 +4,8 @@ Various static utility functions.
 This file is a bit of a dumping ground; the expectation is that most of these functions will be refactored.
 */
 
+"use strict";
+
 var utils = exports;
 
 // Pad a string to a certain length with zeros
diff --git a/server.js b/server.js
index 7daae63d4..268b0d57f 100644
--- a/server.js
+++ b/server.js
@@ -2,6 +2,8 @@
 //
 // Usage: node server.js <recipefile>
 
+"use strict";
+
 var TiddlyWiki = require("./js/TiddlyWiki.js").TiddlyWiki,
 	Recipe = require("./js/Recipe.js").Recipe,
 	http = require("http"),