On Mon, Mar 04, 2019, Bill Cole wrote:

> Again, I have not tested this but I know that chgheader CAN return an error
> and would expect it to do so when passed an out-of-range index.

Did you check the documentation?

> Return values exist for good reasons. One of them is to help novice coders
> avoid public embarrassment.

Documentation exists for a reason too :-)

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