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diff --git a/forth/test/tester.fr b/forth/test/tester.fr
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-\ From: John Hayes S1I
-\ Subject: tester.fr
-\ Date: Mon, 27 Nov 95 13:10:09 PST  
-
-\ (C) 1995 JOHNS HOPKINS UNIVERSITY / APPLIED PHYSICS LABORATORY
-\ MAY BE DISTRIBUTED FREELY AS LONG AS THIS COPYRIGHT NOTICE REMAINS.
-\ VERSION 1.2
-
-\ 24/11/2015 Replaced Core Ext word <> with = 0=
-\ 31/3/2015 Variable #ERRORS added and incremented for each error reported.
-\ 22/1/09 The words { and } have been changed to T{ and }T respectively to
-\ agree with the Forth 200X file ttester.fs. This avoids clashes with
-\ locals using { ... } and the FSL use of } 
-
-HEX
-
-\ SET THE FOLLOWING FLAG TO TRUE FOR MORE VERBOSE OUTPUT; THIS MAY
-\ ALLOW YOU TO TELL WHICH TEST CAUSED YOUR SYSTEM TO HANG.
-VARIABLE VERBOSE
-   FALSE VERBOSE !
-\   TRUE VERBOSE !
-
-: EMPTY-STACK   \ ( ... -- ) EMPTY STACK: HANDLES UNDERFLOWED STACK TOO.
-   DEPTH ?DUP IF DUP 0< IF NEGATE 0 DO 0 LOOP ELSE 0 DO DROP LOOP THEN THEN ;
-
-VARIABLE #ERRORS 0 #ERRORS !
-
-: ERROR      \ ( C-ADDR U -- ) DISPLAY AN ERROR MESSAGE FOLLOWED BY
-      \ THE LINE THAT HAD THE ERROR.
-   CR TYPE SOURCE TYPE       \ DISPLAY LINE CORRESPONDING TO ERROR
-   EMPTY-STACK               \ THROW AWAY EVERY THING ELSE
-   #ERRORS @ 1 + #ERRORS !
-\   QUIT  \ *** Uncomment this line to QUIT on an error
-;
-
-VARIABLE ACTUAL-DEPTH         \ STACK RECORD
-CREATE ACTUAL-RESULTS 20 CELLS ALLOT
-
-: T{      \ ( -- ) SYNTACTIC SUGAR.
-   ;
-
-: ->      \ ( ... -- ) RECORD DEPTH AND CONTENT OF STACK.
-   DEPTH DUP ACTUAL-DEPTH !      \ RECORD DEPTH
-   ?DUP IF            \ IF THERE IS SOMETHING ON STACK
-      0 DO ACTUAL-RESULTS I CELLS + ! LOOP \ SAVE THEM
-   THEN ;
-
-: }T      \ ( ... -- ) COMPARE STACK (EXPECTED) CONTENTS WITH SAVED
-      \ (ACTUAL) CONTENTS.
-   DEPTH ACTUAL-DEPTH @ = IF      \ IF DEPTHS MATCH
-      DEPTH ?DUP IF         \ IF THERE IS SOMETHING ON THE STACK
-         0  DO            \ FOR EACH STACK ITEM
-           ACTUAL-RESULTS I CELLS + @   \ COMPARE ACTUAL WITH EXPECTED
-           = 0= IF S" INCORRECT RESULT: " ERROR LEAVE THEN
-         LOOP
-      THEN
-   ELSE               \ DEPTH MISMATCH
-      S" WRONG NUMBER OF RESULTS: " ERROR
-   THEN ;
-
-: TESTING   \ ( -- ) TALKING COMMENT.
-  SOURCE VERBOSE @
-   IF DUP >R TYPE CR R> >IN !
-   ELSE >IN ! DROP [CHAR] * EMIT
-   THEN ;
-