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In view of a future identification, it is possible to associate an integer type name with one, or a group of, elementary components. This association is done using the following subroutines:
SUBROUTINE BGNAS(N) INTEGER N
associates the name N with the elementary components which follow.
SUBROUTINE ENDAS
indicates the end of the preceding sequence.
It is possible to nest the BGNAS and the ENDAS. For example, the sequence:
CALL BGNAS(1) .... CALL BGNAS(2) .... CALL BGNAS(3) .... ENDAS .... ENDAS .... ENDAS
is identical to the following sequence:
CALL BGNAS(1) .... CALL ENDAS CALL BGNAS(2) .... CALL ENDAS CALL BGNAS(3) .... CALL ENDAS CALL BGNAS(2) .... CALL ENDAS CALL BGNAS(1) .... CALL ENDAS
There cannot be more than ten levels of nesting.
This identification possibility is not available on all terminals.