diff --git a/blocks.js b/blocks.js
index 4501b0fe..4f6466ab 100644
--- a/blocks.js
+++ b/blocks.js
@@ -412,7 +412,7 @@ SyntaxElementMorph.prototype.allEmptySlots = function () {
 
 SyntaxElementMorph.prototype.replaceInput = function (oldArg, newArg) {
     var scripts = this.parentThatIsA(ScriptsMorph),
-        replacement,
+        replacement = newArg,
         idx = this.children.indexOf(oldArg),
         nb;
 
@@ -424,10 +424,13 @@ SyntaxElementMorph.prototype.replaceInput = function (oldArg, newArg) {
         newArg.parent.removeChild(newArg);
     }
 
-    if (oldArg instanceof MultiArgMorph && this.dynamicInputLabels) {
-        replacement = new ArgLabelMorph(newArg);
-    } else {
-        replacement = newArg;
+    if (oldArg instanceof MultiArgMorph) {
+        oldArg.inputs().forEach(function (inp) { // preserve nested reporters
+            oldArg.replaceInput(inp, new InputSlotMorph());
+        });
+        if (this.dynamicInputLabels) {
+            replacement = new ArgLabelMorph(newArg);
+        }
     }
 
     replacement.parent = this;
@@ -969,6 +972,7 @@ SyntaxElementMorph.prototype.labelPart = function (spec) {
                 false,
                 {
                     abs : ['abs'],
+                    floor : ['floor'],
                     sqrt : ['sqrt'],
                     sin : ['sin'],
                     cos : ['cos'],
diff --git a/history.txt b/history.txt
index 6140b943..1e04b7e9 100755
--- a/history.txt
+++ b/history.txt
@@ -1803,3 +1803,5 @@ ______
 130711
 ------
 * Blocks: fixed occasional flickering in scripting areas (caused by deleted feedback morphs, a bug that surfaced in Chrome 28 on OSX and may be due to a possible Chrome GC issue)
+* Blocks: preserve nested blocks in the scripting area when replacing a variadic input list with another input ("kick out" the nested blocks instead of "swallowing" them)
+* Blocks, Threads: new floor() function in monadic math reporter's drop-down
diff --git a/lang-de.js b/lang-de.js
index 17cd62f8..fa44b96d 100644
--- a/lang-de.js
+++ b/lang-de.js
@@ -185,7 +185,7 @@ SnapTranslator.dict.de = {
     'translator_e-mail':
         'jens@moenig.org', // optional
     'last_changed':
-        '2013-07-02', // this, too, will appear in the Translators tab
+        '2013-07-11', // this, too, will appear in the Translators tab
 
     // GUI
     // control bar:
@@ -1176,6 +1176,8 @@ SnapTranslator.dict.de = {
     // math functions
     'abs':
         'Betrag',
+    'floor':
+        'Abgerundet',
     'sqrt':
         'Wurzel',
     'sin':
diff --git a/locale.js b/locale.js
index 5edcfccc..cb947ea9 100644
--- a/locale.js
+++ b/locale.js
@@ -42,7 +42,7 @@
 
 /*global modules, contains*/
 
-modules.locale = '2013-July-02';
+modules.locale = '2013-July-11';
 
 // Global stuff
 
@@ -149,7 +149,7 @@ SnapTranslator.dict.de = {
     'translator_e-mail':
         'jens@moenig.org',
     'last_changed':
-        '2013-07-02'
+        '2013-07-11'
 };
 
 SnapTranslator.dict.it = {
diff --git a/threads.js b/threads.js
index 5aea6ec5..c67360a9 100644
--- a/threads.js
+++ b/threads.js
@@ -83,7 +83,7 @@ ArgLabelMorph, localize*/
 
 // Global stuff ////////////////////////////////////////////////////////
 
-modules.threads = '2013-July-09';
+modules.threads = '2013-July-11';
 
 var ThreadManager;
 var Process;
@@ -1876,6 +1876,9 @@ Process.prototype.reportMonadic = function (fname, n) {
     case 'abs':
         result = Math.abs(x);
         break;
+    case 'floor':
+        result = Math.floor(x);
+        break;
     case 'sqrt':
         result = Math.sqrt(x);
         break;