diff --git a/HISTORY.md b/HISTORY.md
index 0c04d84a..d75755d4 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -41,6 +41,9 @@
* Greek, thanks, Alexandros!
* German
+### 2019-02-21
+* Blocks: fixed deleting a single command inside a stack
+
### 2019-02-20
* Tweaked German translation
* Vector editor color name changes, thanks, Brian!
diff --git a/snap.html b/snap.html
index 2ced8e56..2a346e30 100755
--- a/snap.html
+++ b/snap.html
@@ -6,7 +6,7 @@
-
+
diff --git a/src/blocks.js b/src/blocks.js
index 19d94e91..78d5831c 100644
--- a/src/blocks.js
+++ b/src/blocks.js
@@ -148,7 +148,7 @@ CustomCommandBlockMorph, SymbolMorph, ToggleButtonMorph, DialMorph*/
// Global stuff ////////////////////////////////////////////////////////
-modules.blocks = '2019-February-15';
+modules.blocks = '2019-February-21';
var SyntaxElementMorph;
var BlockMorph;
@@ -4805,7 +4805,9 @@ CommandBlockMorph.prototype.userDestroyJustThis = function () {
this.destroy(true); // just this block
}
if (nb) {
- if (above instanceof CommandSlotMorph, RingReporterSlotMorph) {
+ if (above instanceof CommandSlotMorph ||
+ above instanceof RingReporterSlotMorph
+ ) {
above.nestedBlock(nb);
} else if (above instanceof CommandBlockMorph) {
above.nextBlock(nb);