Tandy 1000 Basic Reference Manual page 168

Chapter 10
I
BASIC
Keywords
By listing the counter variable, you can use the NEXT state-
ment to close nested loops. (Be sure not to type the variables out
of order.) For example, delete Line 920 and change 930 to:
930 N E X T J , I
If you
omit the variables in nested loops,
BASIC
matches the
most recent FOR statement.
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