InputState // Recognize EmptyIgnoringPreviousState as Empty.

- The only difference is that EmptyIgnoringPreviousState doesn't commit the contents of the previous state.

Source/Modules/ControllerModules/InputState.swift

@@ -83,12 +83,8 @@ class InputState {
   // MARK: -
 
   /// Represents that the composing buffer is empty.
-  class EmptyIgnoringPreviousState: InputState {
-    var composingBuffer: String {
-      ""
-    }
-
-    var description: String {
+  class EmptyIgnoringPreviousState: Empty {
+    override var description: String {
       "<InputState.EmptyIgnoringPreviousState>"
     }
   }

Source/Modules/IMEModules/ctlInputMethod.swift

@@ -308,7 +308,9 @@ extension ctlInputMethod {
       return
     }
 
-    if let previous = previous as? InputState.NotEmpty {
+    if let previous = previous as? InputState.NotEmpty,
+      !(state is InputState.EmptyIgnoringPreviousState)
+    {
       commit(text: previous.composingBuffer, client: client)
     }
     client.setMarkedText(