diff --git a/include/xo/reader2/DGlobalEnv.hpp b/include/xo/reader2/DGlobalEnv.hpp
index fa9d52f8..0c1536ee 100644
--- a/include/xo/reader2/DGlobalEnv.hpp
+++ b/include/xo/reader2/DGlobalEnv.hpp
@@ -71,7 +71,7 @@ namespace xo {
             ///@{
 
             std::size_t shallow_size() const noexcept;
-            DGlobalEnv * shallow_copy(obj<AAllocator> mm) noexcept;
+            DGlobalEnv * shallow_move(obj<AAllocator> mm) noexcept;
             std::size_t forward_children(obj<ACollector> gc) noexcept;
 
             ///@}
diff --git a/include/xo/reader2/env/IGCObject_DGlobalEnv.hpp b/include/xo/reader2/env/IGCObject_DGlobalEnv.hpp
index e4ff328a..f8ff90b7 100644
--- a/include/xo/reader2/env/IGCObject_DGlobalEnv.hpp
+++ b/include/xo/reader2/env/IGCObject_DGlobalEnv.hpp
@@ -54,8 +54,8 @@ namespace xo {
             static size_type shallow_size(const DGlobalEnv & self) noexcept;
 
             // non-const methods
-            /** copy instance using allocator **/
-            static Opaque shallow_copy(DGlobalEnv & self, obj<AAllocator> mm) noexcept;
+            /** move instance using allocator **/
+            static Opaque shallow_move(DGlobalEnv & self, obj<AAllocator> mm) noexcept;
             /** during GC: forward immdiate children **/
             static size_type forward_children(DGlobalEnv & self, obj<ACollector> gc) noexcept;
             ///@}
diff --git a/include/xo/reader2/env/IGCObject_DSchematikaParser.hpp b/include/xo/reader2/env/IGCObject_DSchematikaParser.hpp
index afe0d6b5..03832e87 100644
--- a/include/xo/reader2/env/IGCObject_DSchematikaParser.hpp
+++ b/include/xo/reader2/env/IGCObject_DSchematikaParser.hpp
@@ -53,7 +53,7 @@ namespace xo {
             /** memory consumption for this instance **/
             static size_type shallow_size(const DSchematikaParser & self) noexcept;
             /** copy instance using allocator **/
-            static Opaque shallow_copy(const DSchematikaParser & self, obj<AAllocator> mm) noexcept;
+            static Opaque shallow_move(const DSchematikaParser & self, obj<AAllocator> mm) noexcept;
 
             // non-const methods
             /** during GC: forward immdiate children **/
@@ -64,4 +64,4 @@ namespace xo {
     } /*namespace scm*/
 } /*namespace xo*/
 
-/* end */
\ No newline at end of file
+/* end */
diff --git a/include/xo/reader2/parser/DSchematikaParser.hpp b/include/xo/reader2/parser/DSchematikaParser.hpp
index 18e7989c..da6862ab 100644
--- a/include/xo/reader2/parser/DSchematikaParser.hpp
+++ b/include/xo/reader2/parser/DSchematikaParser.hpp
@@ -156,7 +156,7 @@ namespace xo {
          * - SchematikaParser partially supports the gcobject facet so it can be a collector root node.
          *   It's not actually moveable (since its ParserStateMachine member isn't moveable),
          *   Only the forward_children method is load-bearing.
-         * 
+         *
          **/
         class DSchematikaParser {
         public:
@@ -294,7 +294,7 @@ namespace xo {
 
             std::size_t shallow_size() const noexcept;
             /** not implemented (SchematikaParser not designed to be copyable) **/
-            DSchematikaParser * shallow_copy(obj<AAllocator> mm) const noexcept;
+            DSchematikaParser * shallow_move(obj<AAllocator> mm) const noexcept;
             /** forward gc-aware children **/
             std::size_t forward_children(obj<ACollector> gc) noexcept;
 
diff --git a/include/xo/reader2/parser/IGCObject_DSchematikaParser.hpp b/include/xo/reader2/parser/IGCObject_DSchematikaParser.hpp
index 5c8e1975..e6fc39d9 100644
--- a/include/xo/reader2/parser/IGCObject_DSchematikaParser.hpp
+++ b/include/xo/reader2/parser/IGCObject_DSchematikaParser.hpp
@@ -54,8 +54,8 @@ namespace xo {
             static size_type shallow_size(const DSchematikaParser & self) noexcept;
 
             // non-const methods
-            /** copy instance using allocator **/
-            static Opaque shallow_copy(DSchematikaParser & self, obj<AAllocator> mm) noexcept;
+            /** move instance using allocator **/
+            static Opaque shallow_move(DSchematikaParser & self, obj<AAllocator> mm) noexcept;
             /** during GC: forward immdiate children **/
             static size_type forward_children(DSchematikaParser & self, obj<ACollector> gc) noexcept;
             ///@}
diff --git a/src/reader2/DGlobalEnv.cpp b/src/reader2/DGlobalEnv.cpp
index c404d21a..17a86798 100644
--- a/src/reader2/DGlobalEnv.cpp
+++ b/src/reader2/DGlobalEnv.cpp
@@ -114,7 +114,7 @@ namespace xo {
         }
 
         DGlobalEnv *
-        DGlobalEnv::shallow_copy(obj<AAllocator> mm) noexcept
+        DGlobalEnv::shallow_move(obj<AAllocator> mm) noexcept
         {
             return mm.std_copy_for<DGlobalEnv>(this);
         }
diff --git a/src/reader2/DSchematikaParser.cpp b/src/reader2/DSchematikaParser.cpp
index a18d9735..f26fe62a 100644
--- a/src/reader2/DSchematikaParser.cpp
+++ b/src/reader2/DSchematikaParser.cpp
@@ -191,7 +191,7 @@ namespace xo {
         }
 
         DSchematikaParser *
-        DSchematikaParser::shallow_copy(obj<AAllocator> mm) const noexcept
+        DSchematikaParser::shallow_move(obj<AAllocator> mm) const noexcept
         {
             (void)mm;
 
diff --git a/src/reader2/facet/IGCObject_DGlobalEnv.cpp b/src/reader2/facet/IGCObject_DGlobalEnv.cpp
index 9a3e3e45..f8edbb58 100644
--- a/src/reader2/facet/IGCObject_DGlobalEnv.cpp
+++ b/src/reader2/facet/IGCObject_DGlobalEnv.cpp
@@ -22,9 +22,9 @@ namespace xo {
         }
 
         auto
-        IGCObject_DGlobalEnv::shallow_copy(DGlobalEnv & self, obj<AAllocator> mm) noexcept -> Opaque
+        IGCObject_DGlobalEnv::shallow_move(DGlobalEnv & self, obj<AAllocator> mm) noexcept -> Opaque
         {
-            return self.shallow_copy(mm);
+            return self.shallow_move(mm);
         }
         auto
         IGCObject_DGlobalEnv::forward_children(DGlobalEnv & self, obj<ACollector> gc) noexcept -> size_type
diff --git a/src/reader2/facet/IGCObject_DSchematikaParser.cpp b/src/reader2/facet/IGCObject_DSchematikaParser.cpp
index 582eb902..8ba2349c 100644
--- a/src/reader2/facet/IGCObject_DSchematikaParser.cpp
+++ b/src/reader2/facet/IGCObject_DSchematikaParser.cpp
@@ -22,9 +22,9 @@ namespace xo {
         }
 
         auto
-        IGCObject_DSchematikaParser::shallow_copy(DSchematikaParser & self, obj<AAllocator> mm) noexcept -> Opaque
+        IGCObject_DSchematikaParser::shallow_move(DSchematikaParser & self, obj<AAllocator> mm) noexcept -> Opaque
         {
-            return self.shallow_copy(mm);
+            return self.shallow_move(mm);
         }
         auto
         IGCObject_DSchematikaParser::forward_children(DSchematikaParser & self, obj<ACollector> gc) noexcept -> size_type