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version 1.67, 2010/12/31 18:09:02	version 1.68, 2011/08/10 13:55:02
Line 63 decimal	Line 63 decimal
0 CONSTANT case ( compilation -- case-sys ; run-time -- ) \ core-ext	0 CONSTANT case ( compilation -- case-sys ; run-time -- ) \ core-ext
immediate	immediate

	: ?of ( compilation -- of-sys ; run-time f -- ) \ gforth
	1+ >r POSTPONE if r> ; immediate

: of ( compilation -- of-sys ; run-time x1 x2 -- \|x1 ) \ core-ext	: of ( compilation -- of-sys ; run-time x1 x2 -- \|x1 ) \ core-ext
\ !! the implementation does not match the stack effect	\ !! the implementation does not match the stack effect
1+ >r	postpone over postpone = postpone ?of postpone drop ; immediate
postpone over postpone = postpone if postpone drop
r> ; immediate

: endof ( compilation case-sys1 of-sys -- case-sys2 ; run-time -- ) \ core-ext end-of	: endof ( compilation case-sys1 of-sys -- case-sys2 ; run-time -- ) \ core-ext end-of
>r postpone else r> ; immediate	>r postpone else r> ; immediate