release 0.1.0

Doraku · Aug 18, 2020 · 4991751 · 4991751
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diff --git a/documentation/RELEASENOTE.md b/documentation/RELEASENOTE.md
@@ -1,3 +1,10 @@
+## DefaultUnDo 0.1.0
+added Description property on IUnDo  
+added maxCapacity on UnDoManager constructor  
+added IMergeableUnDo interface for mergeable operation  
+
+[nuget package](https://www.nuget.org/packages/DefaultUnDo/0.1.0)
+
 ## DefaultUnDo 0.0.1
 first release  
 

diff --git a/...tionUnDo-T--CollectionUnDo(System-Collections-Generic-ICollection-T-_T_bool).md b/...tionUnDo-T--CollectionUnDo(System-Collections-Generic-ICollection-T-_T_bool).md
@@ -2,18 +2,21 @@
 ## CollectionUnDo(System.Collections.Generic.ICollection&lt;T&gt;, T, bool) Constructor
 Initialise an instance of [CollectionUnDo&lt;T&gt;](./DefaultUnDo-CollectionUnDo-T-.md 'DefaultUnDo.CollectionUnDo&lt;T&gt;').  
 ```csharp
-public CollectionUnDo(System.Collections.Generic.ICollection<T> source, T element, bool isAdd);
+public CollectionUnDo(System.Collections.Generic.ICollection<T> source, T item, bool isAdd);
 ```
 #### Parameters
 <a name='DefaultUnDo-CollectionUnDo-T--CollectionUnDo(System-Collections-Generic-ICollection-T-_T_bool)-source'></a>
 `source` [System.Collections.Generic.ICollection&lt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1 'System.Collections.Generic.ICollection`1')[T](./DefaultUnDo-CollectionUnDo-T-.md#DefaultUnDo-CollectionUnDo-T--T 'DefaultUnDo.CollectionUnDo&lt;T&gt;.T')[&gt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1 'System.Collections.Generic.ICollection`1')  
 The [System.Collections.Generic.ICollection&lt;&gt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1 'System.Collections.Generic.ICollection`1') on which to perform operation.  
 
-<a name='DefaultUnDo-CollectionUnDo-T--CollectionUnDo(System-Collections-Generic-ICollection-T-_T_bool)-element'></a>
-`element` [T](./DefaultUnDo-CollectionUnDo-T-.md#DefaultUnDo-CollectionUnDo-T--T 'DefaultUnDo.CollectionUnDo&lt;T&gt;.T')  
+<a name='DefaultUnDo-CollectionUnDo-T--CollectionUnDo(System-Collections-Generic-ICollection-T-_T_bool)-item'></a>
+`item` [T](./DefaultUnDo-CollectionUnDo-T-.md#DefaultUnDo-CollectionUnDo-T--T 'DefaultUnDo.CollectionUnDo&lt;T&gt;.T')  
 The argument of the operation.  
 
 <a name='DefaultUnDo-CollectionUnDo-T--CollectionUnDo(System-Collections-Generic-ICollection-T-_T_bool)-isAdd'></a>
 `isAdd` [System.Boolean](https://docs.microsoft.com/en-us/dotnet/api/System.Boolean 'System.Boolean')  
 true if the operation is an [System.Collections.Generic.ICollection&lt;&gt;.Add(`0)](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1.Add#System_Collections_Generic_ICollection_1_Add__0_ 'System.Collections.Generic.ICollection`1.Add(`0)'), false for a [System.Collections.Generic.ICollection&lt;&gt;.Remove(`0)](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1.Remove#System_Collections_Generic_ICollection_1_Remove__0_ 'System.Collections.Generic.ICollection`1.Remove(`0)').  
 
+#### Exceptions
+[System.ArgumentNullException](https://docs.microsoft.com/en-us/dotnet/api/System.ArgumentNullException 'System.ArgumentNullException')  
+[source](#DefaultUnDo-CollectionUnDo-T--CollectionUnDo(System-Collections-Generic-ICollection-T-_T_bool)-source 'DefaultUnDo.CollectionUnDo&lt;T&gt;.CollectionUnDo(System.Collections.Generic.ICollection&lt;T&gt;, T, bool).source') is null.  
diff --git a/...o-T--CollectionUnDo(string_System-Collections-Generic-ICollection-T-_T_bool).md b/...o-T--CollectionUnDo(string_System-Collections-Generic-ICollection-T-_T_bool).md
@@ -0,0 +1,26 @@
+### [DefaultUnDo](./DefaultUnDo.md 'DefaultUnDo').[CollectionUnDo&lt;T&gt;](./DefaultUnDo-CollectionUnDo-T-.md 'DefaultUnDo.CollectionUnDo&lt;T&gt;')
+## CollectionUnDo(string, System.Collections.Generic.ICollection&lt;T&gt;, T, bool) Constructor
+Initialise an instance of [CollectionUnDo&lt;T&gt;](./DefaultUnDo-CollectionUnDo-T-.md 'DefaultUnDo.CollectionUnDo&lt;T&gt;').  
+```csharp
+public CollectionUnDo(string description, System.Collections.Generic.ICollection<T> source, T item, bool isAdd);
+```
+#### Parameters
+<a name='DefaultUnDo-CollectionUnDo-T--CollectionUnDo(string_System-Collections-Generic-ICollection-T-_T_bool)-description'></a>
+`description` [System.String](https://docs.microsoft.com/en-us/dotnet/api/System.String 'System.String')  
+The description of this [IUnDo](./DefaultUnDo-IUnDo.md 'DefaultUnDo.IUnDo')  
+
+<a name='DefaultUnDo-CollectionUnDo-T--CollectionUnDo(string_System-Collections-Generic-ICollection-T-_T_bool)-source'></a>
+`source` [System.Collections.Generic.ICollection&lt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1 'System.Collections.Generic.ICollection`1')[T](./DefaultUnDo-CollectionUnDo-T-.md#DefaultUnDo-CollectionUnDo-T--T 'DefaultUnDo.CollectionUnDo&lt;T&gt;.T')[&gt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1 'System.Collections.Generic.ICollection`1')  
+The [System.Collections.Generic.ICollection&lt;&gt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1 'System.Collections.Generic.ICollection`1') on which to perform operation.  
+
+<a name='DefaultUnDo-CollectionUnDo-T--CollectionUnDo(string_System-Collections-Generic-ICollection-T-_T_bool)-item'></a>
+`item` [T](./DefaultUnDo-CollectionUnDo-T-.md#DefaultUnDo-CollectionUnDo-T--T 'DefaultUnDo.CollectionUnDo&lt;T&gt;.T')  
+The argument of the operation.  
+
+<a name='DefaultUnDo-CollectionUnDo-T--CollectionUnDo(string_System-Collections-Generic-ICollection-T-_T_bool)-isAdd'></a>
+`isAdd` [System.Boolean](https://docs.microsoft.com/en-us/dotnet/api/System.Boolean 'System.Boolean')  
+true if the operation is an [System.Collections.Generic.ICollection&lt;&gt;.Add(`0)](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1.Add#System_Collections_Generic_ICollection_1_Add__0_ 'System.Collections.Generic.ICollection`1.Add(`0)'), false for a [System.Collections.Generic.ICollection&lt;&gt;.Remove(`0)](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.ICollection-1.Remove#System_Collections_Generic_ICollection_1_Remove__0_ 'System.Collections.Generic.ICollection`1.Remove(`0)').  
+
+#### Exceptions
+[System.ArgumentNullException](https://docs.microsoft.com/en-us/dotnet/api/System.ArgumentNullException 'System.ArgumentNullException')  
+[source](#DefaultUnDo-CollectionUnDo-T--CollectionUnDo(string_System-Collections-Generic-ICollection-T-_T_bool)-source 'DefaultUnDo.CollectionUnDo&lt;T&gt;.CollectionUnDo(string, System.Collections.Generic.ICollection&lt;T&gt;, T, bool).source') is null.  
diff --git a/documentation/api/DefaultUnDo-CollectionUnDo-T-.md b/documentation/api/DefaultUnDo-CollectionUnDo-T-.md
@@ -15,3 +15,4 @@ The type of element in the [System.Collections.Generic.ICollection&lt;&gt;](http
   
 ### Constructors
 - [CollectionUnDo(System.Collections.Generic.ICollection&lt;T&gt;, T, bool)](./DefaultUnDo-CollectionUnDo-T--CollectionUnDo(System-Collections-Generic-ICollection-T-_T_bool).md 'DefaultUnDo.CollectionUnDo&lt;T&gt;.CollectionUnDo(System.Collections.Generic.ICollection&lt;T&gt;, T, bool)')
+- [CollectionUnDo(string, System.Collections.Generic.ICollection&lt;T&gt;, T, bool)](./DefaultUnDo-CollectionUnDo-T--CollectionUnDo(string_System-Collections-Generic-ICollection-T-_T_bool).md 'DefaultUnDo.CollectionUnDo&lt;T&gt;.CollectionUnDo(string, System.Collections.Generic.ICollection&lt;T&gt;, T, bool)')
diff --git a/...ryUnDo(System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool).md b/...ryUnDo(System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool).md
@@ -2,7 +2,7 @@
 ## DictionaryUnDo(System.Collections.Generic.IDictionary&lt;TKey,TValue&gt;, TKey, TValue, bool) Constructor
 Initialise an instance of [DictionaryUnDo&lt;TKey,TValue&gt;](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;').  
 ```csharp
-public DictionaryUnDo(System.Collections.Generic.IDictionary<TKey,TValue> source, TKey key, TValue element, bool isAdd);
+public DictionaryUnDo(System.Collections.Generic.IDictionary<TKey,TValue> source, TKey key, TValue value, bool isAdd);
 ```
 #### Parameters
 <a name='DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-source'></a>
@@ -13,8 +13,8 @@ The [System.Collections.Generic.IDictionary&lt;&gt;](https://docs.microsoft.com/
 `key` [TKey](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md#DefaultUnDo-DictionaryUnDo-TKey_TValue--TKey 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.TKey')  
 The key of the operation.  
 
-<a name='DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-element'></a>
-`element` [TValue](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md#DefaultUnDo-DictionaryUnDo-TKey_TValue--TValue 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.TValue')  
+<a name='DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-value'></a>
+`value` [TValue](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md#DefaultUnDo-DictionaryUnDo-TKey_TValue--TValue 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.TValue')  
 The value of the operation.  
 
 <a name='DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-isAdd'></a>

diff --git a/...string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool).md b/...string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool).md
@@ -0,0 +1,30 @@
+### [DefaultUnDo](./DefaultUnDo.md 'DefaultUnDo').[DictionaryUnDo&lt;TKey,TValue&gt;](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;')
+## DictionaryUnDo(string, System.Collections.Generic.IDictionary&lt;TKey,TValue&gt;, TKey, TValue, bool) Constructor
+Initialise an instance of [DictionaryUnDo&lt;TKey,TValue&gt;](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;').  
+```csharp
+public DictionaryUnDo(string description, System.Collections.Generic.IDictionary<TKey,TValue> source, TKey key, TValue value, bool isAdd);
+```
+#### Parameters
+<a name='DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-description'></a>
+`description` [System.String](https://docs.microsoft.com/en-us/dotnet/api/System.String 'System.String')  
+The description of this [IUnDo](./DefaultUnDo-IUnDo.md 'DefaultUnDo.IUnDo')  
+
+<a name='DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-source'></a>
+`source` [System.Collections.Generic.IDictionary&lt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IDictionary-2 'System.Collections.Generic.IDictionary`2')[TKey](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md#DefaultUnDo-DictionaryUnDo-TKey_TValue--TKey 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.TKey')[,](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IDictionary-2 'System.Collections.Generic.IDictionary`2')[TValue](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md#DefaultUnDo-DictionaryUnDo-TKey_TValue--TValue 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.TValue')[&gt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IDictionary-2 'System.Collections.Generic.IDictionary`2')  
+The [System.Collections.Generic.IDictionary&lt;&gt;](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IDictionary-2 'System.Collections.Generic.IDictionary`2') on which to perform operation.  
+
+<a name='DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-key'></a>
+`key` [TKey](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md#DefaultUnDo-DictionaryUnDo-TKey_TValue--TKey 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.TKey')  
+The key of the operation.  
+
+<a name='DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-value'></a>
+`value` [TValue](./DefaultUnDo-DictionaryUnDo-TKey_TValue-.md#DefaultUnDo-DictionaryUnDo-TKey_TValue--TValue 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.TValue')  
+The value of the operation.  
+
+<a name='DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-isAdd'></a>
+`isAdd` [System.Boolean](https://docs.microsoft.com/en-us/dotnet/api/System.Boolean 'System.Boolean')  
+true if the operation is [System.Collections.Generic.IDictionary&lt;&gt;.Add(`0,`1)](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IDictionary-2.Add#System_Collections_Generic_IDictionary_2_Add__0,_1_ 'System.Collections.Generic.IDictionary`2.Add(`0,`1)'), false for [System.Collections.Generic.IDictionary&lt;&gt;.Remove(`0)](https://docs.microsoft.com/en-us/dotnet/api/System.Collections.Generic.IDictionary-2.Remove#System_Collections_Generic_IDictionary_2_Remove__0_ 'System.Collections.Generic.IDictionary`2.Remove(`0)').  
+
+#### Exceptions
+[System.ArgumentNullException](https://docs.microsoft.com/en-us/dotnet/api/System.ArgumentNullException 'System.ArgumentNullException')  
+[source](#DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-source 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.DictionaryUnDo(string, System.Collections.Generic.IDictionary&lt;TKey,TValue&gt;, TKey, TValue, bool).source') or [key](#DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool)-key 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.DictionaryUnDo(string, System.Collections.Generic.IDictionary&lt;TKey,TValue&gt;, TKey, TValue, bool).key') is null.  
diff --git a/documentation/api/DefaultUnDo-DictionaryUnDo-TKey_TValue-.md b/documentation/api/DefaultUnDo-DictionaryUnDo-TKey_TValue-.md
@@ -19,3 +19,4 @@ Type of the values.
 
 ### Constructors
 - [DictionaryUnDo(System.Collections.Generic.IDictionary&lt;TKey,TValue&gt;, TKey, TValue, bool)](./DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool).md 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.DictionaryUnDo(System.Collections.Generic.IDictionary&lt;TKey,TValue&gt;, TKey, TValue, bool)')
+- [DictionaryUnDo(string, System.Collections.Generic.IDictionary&lt;TKey,TValue&gt;, TKey, TValue, bool)](./DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool).md 'DefaultUnDo.DictionaryUnDo&lt;TKey,TValue&gt;.DictionaryUnDo(string, System.Collections.Generic.IDictionary&lt;TKey,TValue&gt;, TKey, TValue, bool)')
diff --git a/documentation/api/DefaultUnDo-GroupUnDo-GroupUnDo(string_DefaultUnDo-IUnDo--).md b/documentation/api/DefaultUnDo-GroupUnDo-GroupUnDo(string_DefaultUnDo-IUnDo--).md
@@ -0,0 +1,20 @@
+### [DefaultUnDo](./DefaultUnDo.md 'DefaultUnDo').[GroupUnDo](./DefaultUnDo-GroupUnDo.md 'DefaultUnDo.GroupUnDo')
+## GroupUnDo(string, DefaultUnDo.IUnDo[]) Constructor
+Initialise an instance of [GroupUnDo](./DefaultUnDo-GroupUnDo.md 'DefaultUnDo.GroupUnDo').  
+```csharp
+public GroupUnDo(string description, params DefaultUnDo.IUnDo[] commands);
+```
+#### Parameters
+<a name='DefaultUnDo-GroupUnDo-GroupUnDo(string_DefaultUnDo-IUnDo--)-description'></a>
+`description` [System.String](https://docs.microsoft.com/en-us/dotnet/api/System.String 'System.String')  
+The description of this [IUnDo](./DefaultUnDo-IUnDo.md 'DefaultUnDo.IUnDo')  
+
+<a name='DefaultUnDo-GroupUnDo-GroupUnDo(string_DefaultUnDo-IUnDo--)-commands'></a>
+`commands` [IUnDo](./DefaultUnDo-IUnDo.md 'DefaultUnDo.IUnDo')[[]](https://docs.microsoft.com/en-us/dotnet/api/System.Array 'System.Array')  
+The sequence of [IUnDo](./DefaultUnDo-IUnDo.md 'DefaultUnDo.IUnDo') contained by the instance.  
+
+#### Exceptions
+[System.ArgumentNullException](https://docs.microsoft.com/en-us/dotnet/api/System.ArgumentNullException 'System.ArgumentNullException')  
+[commands](#DefaultUnDo-GroupUnDo-GroupUnDo(string_DefaultUnDo-IUnDo--)-commands 'DefaultUnDo.GroupUnDo.GroupUnDo(string, DefaultUnDo.IUnDo[]).commands') is null.  
+[System.ArgumentException](https://docs.microsoft.com/en-us/dotnet/api/System.ArgumentException 'System.ArgumentException')  
+[commands](#DefaultUnDo-GroupUnDo-GroupUnDo(string_DefaultUnDo-IUnDo--)-commands 'DefaultUnDo.GroupUnDo.GroupUnDo(string, DefaultUnDo.IUnDo[]).commands') contains null elements.  
diff --git a/documentation/api/DefaultUnDo-GroupUnDo-TryGetSingle-T-(T).md b/documentation/api/DefaultUnDo-GroupUnDo-TryGetSingle-T-(T).md
@@ -0,0 +1,20 @@
+### [DefaultUnDo](./DefaultUnDo.md 'DefaultUnDo').[GroupUnDo](./DefaultUnDo-GroupUnDo.md 'DefaultUnDo.GroupUnDo')
+## GroupUnDo.TryGetSingle&lt;T&gt;(T) Method
+Gets the single [T](#DefaultUnDo-GroupUnDo-TryGetSingle-T-(T)-T 'DefaultUnDo.GroupUnDo.TryGetSingle&lt;T&gt;(T).T') of this instance.  
+```csharp
+public bool TryGetSingle<T>(out T command);
+```
+#### Type parameters
+<a name='DefaultUnDo-GroupUnDo-TryGetSingle-T-(T)-T'></a>
+`T`  
+
+
+#### Parameters
+<a name='DefaultUnDo-GroupUnDo-TryGetSingle-T-(T)-command'></a>
+`command` [T](#DefaultUnDo-GroupUnDo-TryGetSingle-T-(T)-T 'DefaultUnDo.GroupUnDo.TryGetSingle&lt;T&gt;(T).T')  
+When this method returns, the single [T](#DefaultUnDo-GroupUnDo-TryGetSingle-T-(T)-T 'DefaultUnDo.GroupUnDo.TryGetSingle&lt;T&gt;(T).T') of this instance, if it was its only command; otherwise, the default value for the type [T](#DefaultUnDo-GroupUnDo-TryGetSingle-T-(T)-T 'DefaultUnDo.GroupUnDo.TryGetSingle&lt;T&gt;(T).T').  
+            This parameter is passed uninitialized.  
+
+#### Returns
+[System.Boolean](https://docs.microsoft.com/en-us/dotnet/api/System.Boolean 'System.Boolean')  
+true if the current instance contains exactly one [T](#DefaultUnDo-GroupUnDo-TryGetSingle-T-(T)-T 'DefaultUnDo.GroupUnDo.TryGetSingle&lt;T&gt;(T).T'); otherwise false.  
diff --git a/documentation/api/DefaultUnDo-GroupUnDo.md b/documentation/api/DefaultUnDo-GroupUnDo.md
@@ -3,10 +3,14 @@
 Provides an implementation of the [IUnDo](./DefaultUnDo-IUnDo.md 'DefaultUnDo.IUnDo') interface for a group of operations.  
 ```csharp
 public sealed class GroupUnDo :
+IMergeableUnDo,
 IUnDo
 ```
 Inheritance [System.Object](https://docs.microsoft.com/en-us/dotnet/api/System.Object 'System.Object') &#129106; GroupUnDo  
 
-Implements [IUnDo](./DefaultUnDo-IUnDo.md 'DefaultUnDo.IUnDo')  
+Implements [IMergeableUnDo](./DefaultUnDo-IMergeableUnDo.md 'DefaultUnDo.IMergeableUnDo'), [IUnDo](./DefaultUnDo-IUnDo.md 'DefaultUnDo.IUnDo')  
 ### Constructors
 - [GroupUnDo(DefaultUnDo.IUnDo[])](./DefaultUnDo-GroupUnDo-GroupUnDo(DefaultUnDo-IUnDo--).md 'DefaultUnDo.GroupUnDo.GroupUnDo(DefaultUnDo.IUnDo[])')
+- [GroupUnDo(string, DefaultUnDo.IUnDo[])](./DefaultUnDo-GroupUnDo-GroupUnDo(string_DefaultUnDo-IUnDo--).md 'DefaultUnDo.GroupUnDo.GroupUnDo(string, DefaultUnDo.IUnDo[])')
+### Methods
+- [TryGetSingle&lt;T&gt;(T)](./DefaultUnDo-GroupUnDo-TryGetSingle-T-(T).md 'DefaultUnDo.GroupUnDo.TryGetSingle&lt;T&gt;(T)')
Original file line number	Diff line number	Diff line change
Expand Up		@@ -15,3 +15,4 @@ The type of element in the [System.Collections.Generic.ICollection<>](http

		### Constructors
		- [CollectionUnDo(System.Collections.Generic.ICollection<T>, T, bool)](./DefaultUnDo-CollectionUnDo-T--CollectionUnDo(System-Collections-Generic-ICollection-T-_T_bool).md 'DefaultUnDo.CollectionUnDo<T>.CollectionUnDo(System.Collections.Generic.ICollection<T>, T, bool)')
		- [CollectionUnDo(string, System.Collections.Generic.ICollection<T>, T, bool)](./DefaultUnDo-CollectionUnDo-T--CollectionUnDo(string_System-Collections-Generic-ICollection-T-_T_bool).md 'DefaultUnDo.CollectionUnDo<T>.CollectionUnDo(string, System.Collections.Generic.ICollection<T>, T, bool)')
Original file line number	Diff line number	Diff line change
Expand Up		@@ -19,3 +19,4 @@ Type of the values.

		### Constructors
		- [DictionaryUnDo(System.Collections.Generic.IDictionary<TKey,TValue>, TKey, TValue, bool)](./DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool).md 'DefaultUnDo.DictionaryUnDo<TKey,TValue>.DictionaryUnDo(System.Collections.Generic.IDictionary<TKey,TValue>, TKey, TValue, bool)')
		- [DictionaryUnDo(string, System.Collections.Generic.IDictionary<TKey,TValue>, TKey, TValue, bool)](./DefaultUnDo-DictionaryUnDo-TKey_TValue--DictionaryUnDo(string_System-Collections-Generic-IDictionary-TKey_TValue-_TKey_TValue_bool).md 'DefaultUnDo.DictionaryUnDo<TKey,TValue>.DictionaryUnDo(string, System.Collections.Generic.IDictionary<TKey,TValue>, TKey, TValue, bool)')