* s-tasdeb.adb: Misc cleanup of this package,
including printing addresses in hexadecimal.
(Write): Fix minor bug when taking 'Address of an empty string.
2014-02-25 Ed Schonberg <schonberg@adacore.com>
* sem_prag.adb (Analyze_Part_Of): Reject state refinement in a
public child unit when it does not refer to the abstract state
of a public ancestor.