diff --git a/tutorial/Gui23/main.cpp b/tutorial/Gui23/main.cpp
index 18cb19eaa..92e4fad19 100644
--- a/tutorial/Gui23/main.cpp
+++ b/tutorial/Gui23/main.cpp
@@ -3,7 +3,7 @@
 using namespace Upp;
 
 struct RandomRectCtrl : public Ctrl {
-	Rect  rect = Rect(Size(0, 0));
+	Rect  rect;
 	Color color;
 	
 	void Paint(Draw& w) override {
diff --git a/uppsrc/Core/src.tpp/Point_en-us.tpp b/uppsrc/Core/src.tpp/Point_en-us.tpp
index be4cb1f18..4f6be5068 100644
--- a/uppsrc/Core/src.tpp/Point_en-us.tpp
+++ b/uppsrc/Core/src.tpp/Point_en-us.tpp
@@ -1,5 +1,4 @@
 topic "Point";
-[2 $$0,0#00000000000000000000000000000000:Default]
 [i448;a25;kKO9;2 $$1,0#37138531426314131252341829483380:class]
 [l288;2 $$2,0#27521748481378242620020725143825:desc]
 [0 $$3,0#96390100711032703541132217272105:end]
@@ -9,6 +8,7 @@ topic "Point";
 [l288;i1121;b17;O9;~~~.1408;2 $$7,0#10431211400427159095818037425705:param]
 [i448;b42;O9;2 $$8,8#61672508125594000341940100500538:tparam]
 [b42;2 $$9,9#13035079074754324216151401829390:normal]
+[2 $$0,0#00000000000000000000000000000000:Default]
 [{_}%EN-US 
 [ {{10000@(113.42.0) [s0; [*@7;4 Point`_]]}}&]
 [s3; &]
@@ -51,7 +51,11 @@ ointf]&]
 [ {{10000F(128)G(128)@1 [s0; [* Constructor List]]}}&]
 [s3;%- &]
 [s5;:Point`_`:`:Point`_`(`):%- [* Point`_]()&]
-[s2; Creates an uninitialized [%-* Point`_].&]
+[s0;l288;%- Creates a new [* Point`_] object with all its coordinates, 
+x and y, set to 0. This places the point at the origin (0,0).&]
+[s2;%- &]
+[s2;%- Consequently, calling the [*^topic`:`/`/Core`/src`/Point`_en`-us`#Point`_`:`:IsZero`(`)const^ I
+sZero()] method on such a [* Point`_] object will return true.&]
 [s3; &]
 [s4;%- &]
 [s5;:Point`_`:`:Point`_`(const Value`&`):%- [* Point`_]([@(0.0.255) const]_[_^Value^ Value][@(0.0.255) `&
@@ -349,4 +353,4 @@ vl[@(64) (][^`:`:Point`_^@(64) Point`_][@(64) _][@3 a][@(64) , ][^`:`:Point`_^@(
 ][@3 b][@(64) )]&]
 [s2; Returns [%-*@3 b] if [%-*@3 a] is Null, [%-*@3 a] otherwise.&]
 [s3; &]
-[s0; ]
\ No newline at end of file
+[s0; ]]
\ No newline at end of file
diff --git a/uppsrc/Core/src.tpp/Rect_en-us.tpp b/uppsrc/Core/src.tpp/Rect_en-us.tpp
index 058935924..1685ebf30 100644
--- a/uppsrc/Core/src.tpp/Rect_en-us.tpp
+++ b/uppsrc/Core/src.tpp/Rect_en-us.tpp
@@ -63,7 +63,12 @@ as [* Rect`_].&]
 [ {{10000F(128)G(128)@1 [s0;%% [* Constructor Detail]]}}&]
 [s3; &]
 [s5;:Rect`_`:`:Rect`_`(`): [* Rect`_]()&]
-[s2;%% Creates an uninitialized [* Rect`_].&]
+[s2;%% Creates a new [* Rect`_] object with all its coordinates, left, 
+top, right, and bottom, set to 0. Such a rectangle has no width 
+or height, sitting right at the (0,0) origin.&]
+[s0;l288;%% &]
+[s0;l288;%% Consequently, calling the [*^topic`:`/`/Core`/src`/Rect`_en`-us`#Rect`_`:`:IsEmpty`(`)const^ I
+sEmpty()] method on such a [* Rect`_] object will return true.&]
 [s3; &]
 [s4; &]
 [s5;:Rect`_`:`:Rect`_`(const Value`&`): [* Rect`_]([@(0.0.255) const]_[_^Value^ Value][@(0.0.255) `&
diff --git a/uppsrc/Core/src.tpp/Size_en-us.tpp b/uppsrc/Core/src.tpp/Size_en-us.tpp
index 19ca8ed74..2ad868521 100644
--- a/uppsrc/Core/src.tpp/Size_en-us.tpp
+++ b/uppsrc/Core/src.tpp/Size_en-us.tpp
@@ -1,5 +1,4 @@
 topic "Size";
-[2 $$0,0#00000000000000000000000000000000:Default]
 [i448;a25;kKO9;2 $$1,0#37138531426314131252341829483380:class]
 [l288;2 $$2,0#27521748481378242620020725143825:desc]
 [0 $$3,0#96390100711032703541132217272105:end]
@@ -9,6 +8,7 @@ topic "Size";
 [l288;i1121;b17;O9;~~~.1408;2 $$7,0#10431211400427159095818037425705:param]
 [i448;b42;O9;2 $$8,8#61672508125594000341940100500538:tparam]
 [b42;2 $$9,9#13035079074754324216151401829390:normal]
+[2 $$0,0#00000000000000000000000000000000:Default]
 [{_}%EN-US 
 [ {{10000@(113.42.0) [s0; [*@7;4 Size`_]]}}&]
 [s3; &]
@@ -50,7 +50,11 @@ f]&]
 [ {{10000F(128)G(128)@1 [s0; [* Constructor Detail]]}}&]
 [s3;%- &]
 [s5;:Size`_`:`:Size`_`(`):%- [* Size`_]()&]
-[s2; Creates an uninitialized [* Size`_].&]
+[s2; Creates a new [* Size`_] object with both its dimensions, cx (width) 
+and cy (height), set to 0.&]
+[s0;l288; &]
+[s0;l288; Consequently, calling the [*^topic`:`/`/Core`/src`/Size`_en`-us`#Size`_`:`:IsEmpty`(`)const^ I
+sEmpty()] method on such a [* Size`_] object will return true.&]
 [s3; &]
 [s4; &]
 [s5;:Size`_`:`:Size`_`(const Value`&`):%- [* Size`_]([@(0.0.255) const]_[_^Value^ Value][@(0.0.255) `&
@@ -315,4 +319,4 @@ and ][%-* cy][%-  equal to the square of ][%-*@3 a][%-* .cy].&]
 ]Length[@(64) (]Size`_[@(64) _][@3 a][@(64) )]&]
 [s2; Returns the hypotenuse of the triangle described by [%-*@3 a].&]
 [s3; &]
-[s0; ]
\ No newline at end of file
+[s0; ]]
\ No newline at end of file