1 files changed, 17 insertions, 3 deletions

diff --git a/blocks.js b/blocks.js
index 6f719d9..1d46b6f 100644
--- a/blocks.js
+++ b/blocks.js
@@ -155,7 +155,7 @@ DialogBoxMorph, BlockInputFragmentMorph, PrototypeHatBlockMorph, Costume*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.blocks = '2013-October-25';
+modules.blocks = '2013-November-12';
 
 var SyntaxElementMorph;
 var BlockMorph;
@@ -517,6 +517,12 @@ SyntaxElementMorph.prototype.revertToDefaultInput = function (arg, noValues) {
     if (idx !== -1) {
         if (this instanceof BlockMorph) {
             deflt = this.labelPart(this.parseSpec(this.blockSpec)[idx]);
+            if (deflt instanceof InputSlotMorph && this.definition) {
+                deflt.choices = this.definition.dropDownMenuOfInputIdx(
+                    this.inputs().indexOf(arg)
+                );
+                deflt.fixLayout();
+            }
         } else if (this instanceof MultiArgMorph) {
             deflt = this.labelPart(this.slotSpec);
         } else if (this instanceof ReporterSlotMorph) {
@@ -1889,7 +1895,8 @@ BlockMorph.prototype.parseSpec = function (spec) {
 
 BlockMorph.prototype.setSpec = function (spec) {
     var myself = this,
-        part;
+        part,
+        inputIdx = -1;
 
     if (!spec) {return; }
     this.parts().forEach(function (part) {
@@ -1899,6 +1906,9 @@ BlockMorph.prototype.setSpec = function (spec) {
         this.add(this.placeHolder());
     }
     this.parseSpec(spec).forEach(function (word) {
+        if (word[0] === '%') {
+            inputIdx += 1;
+        }
         part = myself.labelPart(word);
         myself.add(part);
         if (!(part instanceof CommandSlotMorph)) {
@@ -1917,6 +1927,10 @@ BlockMorph.prototype.setSpec = function (spec) {
         if (myself.isPrototype) {
             myself.add(myself.placeHolder());
         }
+        if (part instanceof InputSlotMorph && myself.definition) {
+            part.choices = myself.definition.dropDownMenuOfInputIdx(inputIdx);
+            part.fixLayout(); // needed when de-serializing
+        }
     });
     this.blockSpec = spec;
     this.fixLayout();
@@ -2325,7 +2339,7 @@ BlockMorph.prototype.mapToHeader = function () {
     } else {
         help = 'Enter code that corresponds to the block\'s definition. ' +
             'Choose your own\nformal parameter names (ignoring the ones ' +
-            'shown .';
+            'shown).';
     }
     new DialogBoxMorph(
         this,