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Minor improvements to subroutine section

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Bobbi Webber-Manners 2018-05-01 17:22:00 -04:00 committed by GitHub
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@ -447,13 +447,13 @@ EightBall allows named subroutines to be defined, for example:
All subroutines must end with `endsub` statement.
A subroutine may have more than one `return` statement returning a numeric value:
A subroutine may return a `word` value to the caller using the `return` statement.
sub mySecondSubroutine()
return 2
endsub
If the flow of execution hits the `endsub` then 0 is returned to the caller.
If the flow of execution hits the `endsub` (without first encountering a `return` statement) then 0 is returned to the caller.
### Simple Subroutine Invocation