[Oberon] tree programming

[Dieter]

Thanks for your helpful contributions. I was on a wrong track, thinking 
about trees.
It is definitely a recursive coloring problem.
@ Tomas: Yes , I was mentioning : "Steps beyond Pascal and Modula"

Regards, Dieter


  Am 05.09.2018 um 20:16 schrieb Tomas Kral:
> On Wed, 5 Sep 2018 15:57:16 +0200
> Dieter <d.gloetzel at web.de> wrote:
>
>> I only half-understand, what Wirth writes on trees in his green
>> Oberonbook.
> Hi,
> I wonder what is this `Green Book'? Is it the one titled `Steps beyond
> Pascal and Modula?


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Dr. Dieter Glötzel
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