-- C97201A.ADA
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-- C97201A.ADA
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-- Grant of Unlimited Rights
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-- Grant of Unlimited Rights
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--
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--
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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-- unlimited rights in the software and documentation contained herein.
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-- unlimited rights in the software and documentation contained herein.
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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-- this public release, the Government intends to confer upon all
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-- this public release, the Government intends to confer upon all
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-- recipients unlimited rights equal to those held by the Government.
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-- recipients unlimited rights equal to those held by the Government.
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-- These rights include rights to use, duplicate, release or disclose the
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-- These rights include rights to use, duplicate, release or disclose the
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-- released technical data and computer software in whole or in part, in
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-- released technical data and computer software in whole or in part, in
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- any manner and for any purpose whatsoever, and to have or permit others
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-- to do so.
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-- to do so.
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--
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--
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-- DISCLAIMER
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-- DISCLAIMER
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--
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--
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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-- PARTICULAR PURPOSE OF SAID MATERIAL.
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--*
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--*
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-- CHECK THAT A RENDEZVOUS REQUESTED BY A CONDITIONAL_ENTRY_CALL
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-- CHECK THAT A RENDEZVOUS REQUESTED BY A CONDITIONAL_ENTRY_CALL
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-- IS PERFORMED ONLY IF IMMEDIATELY POSSIBLE.
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-- IS PERFORMED ONLY IF IMMEDIATELY POSSIBLE.
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-- CASE A: THE TASK TO BE CALLED IS NOT YET ACTIVE AS OF THE
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-- CASE A: THE TASK TO BE CALLED IS NOT YET ACTIVE AS OF THE
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-- MOMENT OF CALL (CONDITIONAL_ENTRY_CALL),
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-- MOMENT OF CALL (CONDITIONAL_ENTRY_CALL),
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-- AND THIS FACT CAN BE DETERMINED STATICALLY.
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-- AND THIS FACT CAN BE DETERMINED STATICALLY.
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-- RM 4/20/82
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-- RM 4/20/82
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WITH REPORT; USE REPORT;
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WITH REPORT; USE REPORT;
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PROCEDURE C97201A IS
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PROCEDURE C97201A IS
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ELSE_BRANCH_TAKEN : INTEGER := 3 ;
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ELSE_BRANCH_TAKEN : INTEGER := 3 ;
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BEGIN
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BEGIN
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TEST ("C97201A", "CHECK THAT NO RENDEZVOUS REQUESTED BY" &
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TEST ("C97201A", "CHECK THAT NO RENDEZVOUS REQUESTED BY" &
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" A CONDITIONAL_ENTRY_CALL CAN OCCUR WHILE" &
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" A CONDITIONAL_ENTRY_CALL CAN OCCUR WHILE" &
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" THE CALLED TASK IS NOT YET ACTIVE" );
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" THE CALLED TASK IS NOT YET ACTIVE" );
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-------------------------------------------------------------------
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-------------------------------------------------------------------
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DECLARE
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DECLARE
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TASK T IS
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TASK T IS
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ENTRY DO_IT_NOW_ORELSE ( AUTHORIZED : IN BOOLEAN ) ;
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ENTRY DO_IT_NOW_ORELSE ( AUTHORIZED : IN BOOLEAN ) ;
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END T ;
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END T ;
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TASK BODY T IS
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TASK BODY T IS
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PACKAGE SECOND_ATTEMPT IS END SECOND_ATTEMPT ;
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PACKAGE SECOND_ATTEMPT IS END SECOND_ATTEMPT ;
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PACKAGE BODY SECOND_ATTEMPT IS
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PACKAGE BODY SECOND_ATTEMPT IS
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BEGIN
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BEGIN
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SELECT
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SELECT
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DO_IT_NOW_ORELSE (FALSE) ;--CALLING (OWN) ENTRY
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DO_IT_NOW_ORELSE (FALSE) ;--CALLING (OWN) ENTRY
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ELSE -- (I.E. CALLER ADOPTS A NO-WAIT POLICY)
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ELSE -- (I.E. CALLER ADOPTS A NO-WAIT POLICY)
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-- THEREFORE THIS BRANCH MUST BE CHOSEN
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-- THEREFORE THIS BRANCH MUST BE CHOSEN
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ELSE_BRANCH_TAKEN := 2 * ELSE_BRANCH_TAKEN ;
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ELSE_BRANCH_TAKEN := 2 * ELSE_BRANCH_TAKEN ;
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COMMENT( "ELSE_BRANCH TAKEN (#2)" );
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COMMENT( "ELSE_BRANCH TAKEN (#2)" );
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END SELECT;
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END SELECT;
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END SECOND_ATTEMPT ;
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END SECOND_ATTEMPT ;
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BEGIN
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BEGIN
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ACCEPT DO_IT_NOW_ORELSE ( AUTHORIZED : IN BOOLEAN ) DO
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ACCEPT DO_IT_NOW_ORELSE ( AUTHORIZED : IN BOOLEAN ) DO
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IF AUTHORIZED THEN
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IF AUTHORIZED THEN
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COMMENT( "AUTHORIZED ENTRY_CALL" );
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COMMENT( "AUTHORIZED ENTRY_CALL" );
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ELSE
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ELSE
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FAILED( "UNAUTHORIZED ENTRY_CALL" );
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FAILED( "UNAUTHORIZED ENTRY_CALL" );
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END IF;
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END IF;
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END DO_IT_NOW_ORELSE ;
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END DO_IT_NOW_ORELSE ;
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END T ;
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END T ;
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PACKAGE FIRST_ATTEMPT IS END FIRST_ATTEMPT ;
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PACKAGE FIRST_ATTEMPT IS END FIRST_ATTEMPT ;
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PACKAGE BODY FIRST_ATTEMPT IS
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PACKAGE BODY FIRST_ATTEMPT IS
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BEGIN
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BEGIN
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SELECT
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SELECT
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T.DO_IT_NOW_ORELSE (FALSE) ;
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T.DO_IT_NOW_ORELSE (FALSE) ;
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ELSE -- (I.E. CALLER ADOPTS A NO-WAIT POLICY)
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ELSE -- (I.E. CALLER ADOPTS A NO-WAIT POLICY)
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-- THEREFORE THIS BRANCH MUST BE CHOSEN
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-- THEREFORE THIS BRANCH MUST BE CHOSEN
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ELSE_BRANCH_TAKEN := 1 + ELSE_BRANCH_TAKEN ;
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ELSE_BRANCH_TAKEN := 1 + ELSE_BRANCH_TAKEN ;
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COMMENT( "ELSE_BRANCH TAKEN (#1)" );
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COMMENT( "ELSE_BRANCH TAKEN (#1)" );
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END SELECT;
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END SELECT;
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END FIRST_ATTEMPT ;
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END FIRST_ATTEMPT ;
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BEGIN
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BEGIN
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T.DO_IT_NOW_ORELSE ( TRUE ); -- TO SATISFY THE SERVER'S
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T.DO_IT_NOW_ORELSE ( TRUE ); -- TO SATISFY THE SERVER'S
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-- WAIT FOR SUCH A CALL
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-- WAIT FOR SUCH A CALL
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EXCEPTION
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EXCEPTION
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WHEN TASKING_ERROR =>
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WHEN TASKING_ERROR =>
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FAILED( "TASKING ERROR" );
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FAILED( "TASKING ERROR" );
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END ;
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END ;
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-------------------------------------------------------------------
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-------------------------------------------------------------------
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-- BY NOW, THE TASK IS TERMINATED (AND THE NONLOCALS UPDATED)
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-- BY NOW, THE TASK IS TERMINATED (AND THE NONLOCALS UPDATED)
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CASE ELSE_BRANCH_TAKEN IS
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CASE ELSE_BRANCH_TAKEN IS
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WHEN 3 =>
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WHEN 3 =>
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FAILED( "NO 'ELSE'; BOTH (?) RENDEZVOUS ATTEMPTED?" );
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FAILED( "NO 'ELSE'; BOTH (?) RENDEZVOUS ATTEMPTED?" );
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WHEN 4 =>
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WHEN 4 =>
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FAILED( "'ELSE' #1 ONLY; RENDEZVOUS (#2) ATTEMPTED?" );
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FAILED( "'ELSE' #1 ONLY; RENDEZVOUS (#2) ATTEMPTED?" );
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WHEN 6 =>
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WHEN 6 =>
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FAILED( "'ELSE' #2 ONLY; RENDEZVOUS (#1) ATTEMPTED?" );
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FAILED( "'ELSE' #2 ONLY; RENDEZVOUS (#1) ATTEMPTED?" );
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WHEN 7 =>
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WHEN 7 =>
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FAILED( "WRONG ORDER FOR 'ELSE': #2,#1 " );
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FAILED( "WRONG ORDER FOR 'ELSE': #2,#1 " );
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WHEN 8 =>
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WHEN 8 =>
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NULL ;
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NULL ;
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WHEN OTHERS =>
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WHEN OTHERS =>
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FAILED( "WRONG CASE_VALUE" );
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FAILED( "WRONG CASE_VALUE" );
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END CASE;
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END CASE;
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RESULT;
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RESULT;
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END C97201A ;
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END C97201A ;
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