Jim Gibson <jimsgib...@gmail.com> writes:
> This line assigns an upper-case letter to $d if $d has a value greater
> than or equal to 10. A value of 10 is replaced by 'A', 11 by 'B', etc.
>
> $d = chr($d + ord('A') - 10) if $d >= 10;
>
> You can try changing that 'A' to 'a' and see what you get. I haven't
> tried to comprehend the rest of the logic of Rob's program, but that
> line stands out like a sore thumb when it comes to "uppercase".
Thanks for the tip.
Changing to lowercase (`a') as you suggested fixed it so no uppercase
letters appear now.
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