Merge branch 'fix-a11y-text-signals-again' into 'main'

a11y: Avoid a crash

Closes #6146

See merge request GNOME/gtk!6470

gtk/a11y/gtkatspicontext.c

@@ -705,27 +705,19 @@ emit_text_changed (GtkAtSpiContext *self,
                    int              end,
                    const char      *text)
 {
-  char *copy = NULL;
-
   if (self->connection == NULL)
     return;
 
-  /* Protect against possible non-UTF8 garbage after the end
-   * that g_variant_new_string() will complain about.
-   */
-  if (text[end] != '\0')
-    text = copy = g_strndup (text, end);
-
   g_dbus_connection_emit_signal (self->connection,
                                  NULL,
                                  self->context_path,
                                  "org.a11y.atspi.Event.Object",
                                  "TextChanged",
                                  g_variant_new ("(siiva{sv})",
-                                                kind, start, end, g_variant_new_string (text), NULL),
+                                                kind, start, end,
+                                                g_variant_new_take_string (g_strndup (text, end)),
+                                                NULL),
                                  NULL);
-
-  g_free (copy);
 }
 
 static void