- Constructs a busy info window as child of @e parent and displays @e msg
- in it.
-
- @b NB: If @e parent is not @NULL you must ensure that it is not
- closed while the busy info is shown.
+ Constructs a busy info window as child of @a parent and displays @e msg in it.
+
+ @note If @a parent is not @NULL you must ensure that it is not
+ closed while the busy info is shown.