Sending EN_UPDATE notification in the EDIT_WM_SetText - the comment
already says, that the message is sent, but it is not...

controls/edit.c

diff --git a/controls/edit.c b/controls/edit.c
index 758f2f8..c57a308 100644
--- a/controls/edit.c
+++ b/controls/edit.c
@@ -4727,7 +4727,10 @@
          * if it is multiline, or it is part of combobox
          */
 	if( !((es->style & ES_MULTILINE) || es->hwndListBox))
+       {
 	    EDIT_NOTIFY_PARENT(hwnd, es, EN_CHANGE, "EN_CHANGE");
+           EDIT_NOTIFY_PARENT(hwnd, es, EN_UPDATE, "EN_UPDATE");
+       }
 	EDIT_EM_ScrollCaret(hwnd, es);
 }