From 982bea19f795e66e4c12c70420cb70223327c31a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jens=20M=C3=B6nig?= <jens@moenig.org>
Date: Wed, 11 Oct 2017 09:01:50 +0200
Subject: [PATCH] make sure to fully remove parts from their anchor when
 deleting them

---
 history.txt | 5 +++++
 objects.js  | 5 ++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/history.txt b/history.txt
index ab80e9a8..3ee758ed 100755
--- a/history.txt
+++ b/history.txt
@@ -3691,6 +3691,11 @@ Fixes:
 ------
 * Blocks: fixed #1885
 
+171010
+------
+* Objects: make sure to fully remove parts from their anchor when deleting them
+
+
 
 v4.1 Features:
 * polymorphic sprite-local custom blocks
diff --git a/objects.js b/objects.js
index e91b75c6..be86cc67 100644
--- a/objects.js
+++ b/objects.js
@@ -83,7 +83,7 @@ BlockEditorMorph, BlockDialogMorph, PrototypeHatBlockMorph, localize,
 TableMorph, TableFrameMorph, normalizeCanvas, BooleanSlotMorph, HandleMorph,
 AlignmentMorph*/
 
-modules.objects = '2017-October-04';
+modules.objects = '2017-October-11';
 
 var SpriteMorph;
 var StageMorph;
@@ -6007,6 +6007,9 @@ SpriteMorph.prototype.restoreLayers = function () {
 
 SpriteMorph.prototype.destroy = function () {
     // make sure to sever all inheritance ties to other sprites
+    if (this.anchor) {
+        this.anchor.detachPart(this);
+    }
     this.emancipate();
     if (!this.isTemporary) {
         this.prune();