[Cin] Test alpha channel and reroute plugin (from Igor Vladimirsky's blog)

[Phyllis Smith]

You can perform this convoluted method OR "just use a simple Outline font"
which can be freely downloaded.

  Already with the default overlay
>> (Normal) the result is not exactly the same as in the tutorial. For
>> example, the outline of the letters is all white while in the tutorial
>> there are plays of light and shadows that make it three-dimensional.
>> But the worst comes when I set the center track to "Multiply": a
>> completely wrong color comes out!
>>
>

>  But I have growing suspection we really do some calculations differently,
> may be in more widespread/standard way but not like original Cin worked.
>

Agreed.  CinGG does some things differently as well as calculations.  That
does not make them wrong.
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