Recognize wxStyledTextCtrl in XRC in the schema

This should have been part of e2aca9cbd5 (Add wxStyledTextCtrl XRC
handler, 2021-09-22).

(cherry picked from commit e12f00247730a03d30c548b939322b50e22d625b)

docs/changes.txt

@@ -241,6 +241,7 @@ All (GUI):
 - Fix grid window scrollbars when freezing part of the grid (#22602).
 - Avoid warnings with wxStaticText flags in C++20 (David Connet, #22656).
 - Fix AUI floating pane position when dragging (Konstantin S. Matveyev, #22533).
+- Add wxStyledTextCtrl support to XRC schema file.
 
 wxGTK:
 

misc/schema/xrc_schema.rnc

@@ -227,6 +227,7 @@ builtinWindowClasses =
     | wxStaticBox
     | wxStaticLine
     | wxStaticText
+    | wxStyledTextCtrl
     | wxTextCtrl
     | wxTimePickerCtrl
     | wxToggleButton
@@ -329,6 +330,7 @@ builtinClassesNames =
     | "wxStaticBox"
     | "wxStaticLine"
     | "wxStaticText"
+    | "wxStyledTextCtrl"
     | "wxTextCtrl"
     | "wxTimePickerCtrl"
     | "wxToggleButton"
@@ -1597,6 +1599,15 @@ wxStaticText =
     }
 
 
+wxStyledTextCtrl =
+    element object {
+        attribute class { "wxStyledTextCtrl" } &
+        stdObjectNodeAttributes &
+        stdWindowProperties &
+        [xrc:p="o"] element wrapmode {_, ("wxSTC_WRAP_NONE" | "wxSTC_WRAP_WORD" | "wxSTC_WRAP_CHAR" | "wxSTC_WRAP_WHITESPACE" ) }*
+    }
+
+
 wxTextCtrl =
     element object {
         attribute class { "wxTextCtrl" } &