diff --git a/src/lib/allocation-cluster.hpp b/src/lib/allocation-cluster.hpp
index ae76f1336..4ecb4ec98 100644
--- a/src/lib/allocation-cluster.hpp
+++ b/src/lib/allocation-cluster.hpp
@@ -121,6 +121,9 @@ namespace lib {
           template<typename T>
           Allocator(Allocator<T> const& o) : mother_{o.mother_} { }
           
+          template<typename T>
+          bool operator== (Allocator<T> const& o) const { return mother_ == o.mother_; }
+          
           AllocationCluster* mother_;
         };
       
diff --git a/src/lib/several-builder.hpp b/src/lib/several-builder.hpp
index ce5d69946..3ee046fd0 100644
--- a/src/lib/several-builder.hpp
+++ b/src/lib/several-builder.hpp
@@ -62,17 +62,8 @@ namespace lib {
   
   namespace {// Allocation management policies
     
-    struct HeapOwn
-      {
-        void*
-        realloc (void* data, size_t oldSiz, size_t newSiz)
-          {
-            UNIMPLEMENTED ("adjust memory allocation"); ///////////////////////////OOO Problem Objekte verschieben
-          }
-      };
     
-        
-        
+    
     template<class I, template<typename> class ALO>
     class ElementFactory
       : private ALO<std::byte>
@@ -152,6 +143,24 @@ namespace lib {
       };
     
     
+    template<class I, template<typename> class ALO>
+    struct AllocationPolicy
+      : ElementFactory<I, ALO>
+      {
+        using Fac = ElementFactory<I, ALO>;
+        using Fac::Fac;
+        
+        void*
+        realloc (void* data, size_t oldSiz, size_t newSiz)
+          {
+            UNIMPLEMENTED ("adjust memory allocation"); ///////////////////////////OOO Problem Objekte verschieben
+          }
+      };
+    
+    template<class I>
+    using HeapOwn = AllocationPolicy<I, std::allocator>;
+    
+    
     using std::is_trivially_move_constructible_v;
     using std::is_trivially_destructible_v;
     using std::has_virtual_destructor_v;
@@ -202,7 +211,7 @@ namespace lib {
    */
   template<class I             ///< Interface or base type visible on resulting Several<I>
           ,class E   =I        ///< a subclass element element type (relevant when not trivially movable and destructible)
-          ,class POL =HeapOwn  ///< Allocator policy
+          ,class POL =HeapOwn<I>  ///< Allocator policy
           >
   class SeveralBuilder
     : Several<I>
diff --git a/wiki/thinkPad.ichthyo.mm b/wiki/thinkPad.ichthyo.mm
index 00d8c45cb..93061696c 100644
--- a/wiki/thinkPad.ichthyo.mm
+++ b/wiki/thinkPad.ichthyo.mm
@@ -81782,19 +81782,31 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 </node>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1716901650386" ID="ID_636334267" MODIFIED="1716903157046" TEXT="Array-Repr&#xe4;sentation">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#338800" CREATED="1716901650386" ID="ID_636334267" MODIFIED="1717723386278" TEXT="Array-Repr&#xe4;sentation">
+<icon BUILTIN="button_ok"/>
 <node CREATED="1716903158346" ID="ID_1317174249" MODIFIED="1716907525705" TEXT="im Container(&#x2259;Handle): (size, start)"/>
 <node CREATED="1716903185047" ID="ID_1036525121" MODIFIED="1716903198769" TEXT="im ArrayBucket">
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1716903201165" ID="ID_443006340" MODIFIED="1716907430046" TEXT="Manager">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#5b280f" CREATED="1716903201165" ID="ID_443006340" MODIFIED="1717723256773" TEXT="Manager">
+<icon BUILTIN="button_cancel"/>
 <node CREATED="1716904170396" ID="ID_1253230124" MODIFIED="1716904183622" TEXT="das ist eine trickreich belegte Union"/>
 <node CREATED="1716904184162" ID="ID_990254994" MODIFIED="1716904195917" TEXT="kann als &#xbb;unmanaged&#xab; markiert werden"/>
 <node CREATED="1716904197917" ID="ID_1121578813" MODIFIED="1716904215226" TEXT="nullptr &#x27f9; std::allocator verwenden"/>
 <node CREATED="1716904231812" ID="ID_1732387735" MODIFIED="1716904732789" TEXT="sonst: pointer auf eine delete-Function void(void*, bytes)"/>
 </node>
+<node BACKGROUND_COLOR="#c8c0b6" COLOR="#435e98" CREATED="1717723266104" ID="ID_732548333" MODIFIED="1717723351726" TEXT="Deleter">
+<node CREATED="1717723276746" ID="ID_926335468" MODIFIED="1717723288188" TEXT="pointer auf eine Deleter-Funktion"/>
+<node CREATED="1716904197917" ID="ID_656688517" MODIFIED="1717723309004" TEXT="nullptr &#x27f9; &#xbb;unmanaged&#xab;">
+<node CREATED="1717723318324" HGAP="24" ID="ID_182387447" MODIFIED="1717723344344" TEXT="hei&#xdf;t: Speicher einfach fallen lassen" VSHIFT="4">
+<icon BUILTIN="info"/>
+</node>
+</node>
+</node>
 <node CREATED="1716904075721" ID="ID_1409827773" MODIFIED="1716904079637" TEXT="spread"/>
-<node CREATED="1716904088399" ID="ID_1134374495" MODIFIED="1716904091035" TEXT="storage"/>
+<node CREATED="1716904088399" ID="ID_1134374495" MODIFIED="1716904091035" TEXT="storage">
+<node CREATED="1717723358455" HGAP="23" ID="ID_960040668" MODIFIED="1717723379742" TEXT="Platzhalter f&#xfc;r den Anfang der uninitialised-storage" VSHIFT="6">
+<icon BUILTIN="info"/>
+</node>
+</node>
 </node>
 </node>
 </node>
@@ -82191,6 +82203,16 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <icon BUILTIN="flag-yellow"/>
 <node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1717542814132" ID="ID_1446789676" MODIFIED="1717542831827" TEXT="komplett vom Allokator trennen!">
 <icon BUILTIN="yes"/>
+<node BACKGROUND_COLOR="#f8f1cb" COLOR="#a50125" CREATED="1717722066869" HGAP="45" ID="ID_1393193544" MODIFIED="1717722085492" TEXT="will nicht recht gelingen" VSHIFT="-7">
+<icon BUILTIN="smiley-angry"/>
+<node CREATED="1717722088033" ID="ID_1385471831" MODIFIED="1717722110690" TEXT="ich will verschiedene Belange zugleich abdecken"/>
+<node CREATED="1717722112617" ID="ID_129641323" MODIFIED="1717722144214" TEXT="einerseits habe ich ein realloc() rein auf Basis von byte-Gr&#xf6;&#xdf;en"/>
+<node CREATED="1717722145066" ID="ID_869042761" MODIFIED="1717722165412" TEXT="andererseits habe ich sogar das ArrayBucket auf den Basistyp typisiert"/>
+<node CREATED="1717722171998" ID="ID_970346456" MODIFIED="1717722203508" TEXT="und folglich &#x27f9; auch die ElementFactory mu&#xdf; den Basistyp kennen"/>
+<node CREATED="1717722314467" ID="ID_620857317" MODIFIED="1717722345375" TEXT="und drittens m&#xf6;chte ich rein auf Basis des Allokators die Policy schwenken k&#xf6;nnen">
+<icon BUILTIN="yes"/>
+</node>
+</node>
 </node>
 <node CREATED="1717542588800" ID="ID_1355622101" MODIFIED="1717542604293" TEXT="Pr&#xe4;dikate">
 <node CREATED="1717542623647" ID="ID_749518164" MODIFIED="1717542633699" TEXT="canDestroy&lt;TY&gt;"/>
@@ -82198,7 +82220,8 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <node CREATED="1717542702415" ID="ID_1473880478" MODIFIED="1717545646724" TEXT="canAdjust &#x27f5; wild-move-Flag"/>
 </node>
 <node CREATED="1717543060128" ID="ID_1973537913" MODIFIED="1717543071098" TEXT="Handler">
-<node CREATED="1717543072032" ID="ID_1791379026" MODIFIED="1717543076568" TEXT="getDeleter()">
+<node CREATED="1717543072032" ID="ID_1791379026" MODIFIED="1717723687678" TEXT="getDeleter()">
+<arrowlink COLOR="#e1073d" DESTINATION="ID_1412900866" ENDARROW="Default" ENDINCLINATION="344;0;" ID="Arrow_ID_453255140" STARTARROW="Default" STARTINCLINATION="344;0;"/>
 <node BACKGROUND_COLOR="#f0d5c5" COLOR="#990033" CREATED="1717546372010" ID="ID_231852526" MODIFIED="1717596420967" TEXT="kl&#xe4;ren: wie wird er konkret verwendet?">
 <icon BUILTIN="help"/>
 <node CREATED="1717546388726" ID="ID_1089262988" MODIFIED="1717546407495" TEXT="mu&#xdf; einen Pointer auf ein Trampolin speichern k&#xf6;nnen"/>
@@ -82272,6 +82295,48 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 </node>
 </node>
 </node>
+<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1717723412216" ID="ID_1483275702" MODIFIED="1717723419487" TEXT="Allokator flexibel einbinden">
+<icon BUILTIN="flag-yellow"/>
+<node CREATED="1717723422166" ID="ID_1525424957" MODIFIED="1717723517420" TEXT="Anforderungen">
+<icon BUILTIN="yes"/>
+<node CREATED="1717723426670" ID="ID_1964183784" MODIFIED="1717723456378" TEXT="Standardfall: Heap-Allokation &#xd83e;&#xdc32; mu&#xdf; automatisch funktionieren">
+<icon BUILTIN="yes"/>
+</node>
+<node CREATED="1717723464433" ID="ID_108739270" MODIFIED="1717723551804" TEXT="man kann einen beliebigen C++-Standardkonformen Allokator verwenden">
+<icon BUILTIN="yes"/>
+</node>
+<node CREATED="1717723483198" ID="ID_862009636" MODIFIED="1717723551804" TEXT="man kann eine AllocationCluster-Instanz direkt (via Builder) durchgeben">
+<icon BUILTIN="yes"/>
+</node>
+<node CREATED="1717723530936" ID="ID_690313592" MODIFIED="1717723558000" TEXT="Erweiterungspunkt f&#xfc;r beliebiges anderes Allocator-Schema schaffen">
+<icon BUILTIN="yes"/>
+</node>
+</node>
+<node CREATED="1717723564508" ID="ID_16935134" MODIFIED="1717723623192" TEXT="verwende eine AllocationPolicy">
+<icon BUILTIN="idea"/>
+<node CREATED="1717723580796" ID="ID_453265164" MODIFIED="1717723597659" TEXT="der Builder erbt von dieser (Policy Mix-In)"/>
+<node CREATED="1717723599686" ID="ID_1353907596" MODIFIED="1717723615688" TEXT="sie mischt ihrerseits eine ElementFactory ein"/>
+<node CREATED="1717723625139" ID="ID_1954915705" MODIFIED="1717723635781" TEXT="Adapter-Methoden">
+<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1717723636675" ID="ID_1612255322" MODIFIED="1717723717303" TEXT="realloc">
+<icon BUILTIN="flag-yellow"/>
+<node CREATED="1717723720004" ID="ID_456348135" MODIFIED="1717723723226" TEXT="Anforderungen">
+<node CREATED="1717723724203" ID="ID_54813391" MODIFIED="1717723733914" TEXT="entscheidet intelligent was zu tun ist"/>
+<node CREATED="1717723734527" ID="ID_184980735" MODIFIED="1717723746074" TEXT="unterst&#xfc;tzt auch die normale (initiale) Allokation"/>
+<node BACKGROUND_COLOR="#fdfdcf" COLOR="#ff0000" CREATED="1717723747298" ID="ID_1111696667" MODIFIED="1717723776089" TEXT="kann mit dem unterliegenden Allokator eine Spezialbehandlung abstimmen">
+<icon BUILTIN="yes"/>
+</node>
+</node>
+</node>
+<node BACKGROUND_COLOR="#f0d5c5" COLOR="#990033" CREATED="1717723649872" ID="ID_1412900866" MODIFIED="1717723682406" TEXT="Deleter einbinden?">
+<linktarget COLOR="#e1073d" DESTINATION="ID_1412900866" ENDARROW="Default" ENDINCLINATION="344;0;" ID="Arrow_ID_453255140" SOURCE="ID_1791379026" STARTARROW="Default" STARTINCLINATION="344;0;"/>
+<icon BUILTIN="help"/>
+</node>
+<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1717723703235" ID="ID_239148471" MODIFIED="1717723715407" TEXT="Objekt platzieren mit durchgereichten ctor-Argumenten">
+<icon BUILTIN="flag-yellow"/>
+</node>
+</node>
+</node>
+</node>
 <node BACKGROUND_COLOR="#eef0c5" COLOR="#990000" CREATED="1716914864769" ID="ID_966642586" MODIFIED="1716914906125" TEXT="Builder-Operationen">
 <icon BUILTIN="pencil"/>
 <node COLOR="#338800" CREATED="1717634297656" ID="ID_330412196" MODIFIED="1717688579115" TEXT="Move-builder und Container per Slice ausgeben">