diff --git a/js-assembler/runtime-src/baselib_format.js b/js-assembler/runtime-src/baselib_format.js
index 8c1f419..ebad0ad 100644
--- a/js-assembler/runtime-src/baselib_format.js
+++ b/js-assembler/runtime-src/baselib_format.js
@@ -8,7 +8,8 @@
 
     
     // format: string [X ...] string -> string
-    // String formatting.
+    // String formatting.  If an exception occurs, throws
+    // a plain Error whose message describes the formatting error.
     var format = function(formatStr, args, functionName) {
 	var throwFormatError = function() {
 	    functionName = functionName || 'format';
diff --git a/js-assembler/runtime-src/helpers.js b/js-assembler/runtime-src/helpers.js
index 04fdc2c..eb8833b 100644
--- a/js-assembler/runtime-src/helpers.js
+++ b/js-assembler/runtime-src/helpers.js
@@ -279,26 +279,26 @@ if (! this['plt']) { this['plt'] = {}; }
     }
 
 
-    var wrapJsValue = function(x) {
-	if (x === undefined) {
-	    return types.jsValue('undefined', x);
-	}
-	else if (x === null) {
-	    return types.jsValue('null', x);
-	}
-	else if (typeof(x) == 'function') {
-	    return types.jsValue('function', x);
-	}
-	else if ( x instanceof Array ) {
-	    return types.jsValue('array', x);
-	}
-	else if ( typeof(x) == 'string' ) {
-	    return types.jsValue("'" + x.toString() + "'", x);
-	}
-	else {
-	    return types.jsValue(x.toString(), x);
-	}
-    };
+//     var wrapJsValue = function(x) {
+// 	if (x === undefined) {
+// 	    return types.jsValue('undefined', x);
+// 	}
+// 	else if (x === null) {
+// 	    return types.jsValue('null', x);
+// 	}
+// 	else if (typeof(x) == 'function') {
+// 	    return types.jsValue('function', x);
+// 	}
+// 	else if ( x instanceof Array ) {
+// 	    return types.jsValue('array', x);
+// 	}
+// 	else if ( typeof(x) == 'string' ) {
+// 	    return types.jsValue("'" + x.toString() + "'", x);
+// 	}
+// 	else {
+// 	    return types.jsValue(x.toString(), x);
+// 	}
+//     };
 
 
     var getKeyCodeName = function(e) {
@@ -490,7 +490,7 @@ if (! this['plt']) { this['plt'] = {}; }
     helpers.flattenSchemeListToArray = flattenSchemeListToArray;
 
     helpers.ordinalize = ordinalize;
-    helpers.wrapJsValue = wrapJsValue;
+//     helpers.wrapJsValue = wrapJsValue;
 
     helpers.getKeyCodeName = getKeyCodeName;
 
diff --git a/js-assembler/runtime-src/types.js b/js-assembler/runtime-src/types.js
index 7ec6e18..a39afe8 100644
--- a/js-assembler/runtime-src/types.js
+++ b/js-assembler/runtime-src/types.js
@@ -21,22 +21,15 @@ if (! this['plt']) { this['plt'] = {}; }
     var helpers = scope['helpers'];
 
 
-    var getEqHashCode = helpers.getEqHashCode, 
-         // makeLowLevelEqHash: -> hashtable
-        // Constructs an eq hashtable that uses Moby's getEqHashCode function.
-
-        makeLowLevelEqHash = helpers.makeLowLevelEqHash;
+    var getEqHashCode = plt.baselib.hash.getEqHashCode;
+    // makeLowLevelEqHash: -> hashtable
+    // Constructs an eq hashtable that uses Moby's getEqHashCode function.
+    var makeLowLevelEqHash = plt.baselib.hash.makeLowLevelEqHash;
 
     var toWrittenString = plt.baselib.format.toWrittenString;
     var toDisplayedString = plt.baselib.format.toDisplayedString;
     var toDomNode = plt.baselib.format.toDomNode;
 
-    scope.link.ready('helpers', function() { 
-        helpers = scope['helpers']; 
-        getEqHashCode = helpers.getEqHashCode;
-        makeLowLevelEqHash = helpers.makeLowLevelEqHash;
-    });
-
 
 
     var appendChild = function(parent, child) {