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+.. _Specialized_Needs_Annexes:
+
+*************************
+Specialized Needs Annexes
+*************************
+
+Ada 95, Ada 2005, and Ada 2012 define a number of Specialized Needs Annexes, which are not
+required in all implementations.  However, as described in this chapter,
+GNAT implements all of these annexes:
+
+*Systems Programming (Annex C)*
+  The Systems Programming Annex is fully implemented.
+
+
+*Real-Time Systems (Annex D)*
+  The Real-Time Systems Annex is fully implemented.
+
+
+*Distributed Systems (Annex E)*
+  Stub generation is fully implemented in the GNAT compiler.  In addition,
+  a complete compatible PCS is available as part of the GLADE system,
+  a separate product.  When the two
+  products are used in conjunction, this annex is fully implemented.
+
+
+*Information Systems (Annex F)*
+  The Information Systems annex is fully implemented.
+
+
+*Numerics (Annex G)*
+  The Numerics Annex is fully implemented.
+
+
+*Safety and Security / High-Integrity Systems (Annex H)*
+  The Safety and Security Annex (termed the High-Integrity Systems Annex
+  in Ada 2005) is fully implemented.
+