[Oberon] SystemV - Viewer Scroll

[Tomas Kral]

On Tue, 19 Mar 2019 17:27:28 +0100
Joerg <joerg.straube at iaeth.ch> wrote:

>  Files.Set(R, Files.Base(R), Files.Pos(R)-1);
>   Files.Read(R, ch);

Aha, thank you. Doing this will leave out the `Texts' piece machinery,
though.

Possible below combination?
  
  Texts.OpenReader(R, F.text, org); 
  Files.Set(R, Files.Base(R), Files.Pos(R)-1);
  Texts.Read(R, prevCh); DEC(org);

-- 
Tomas Kral <thomas.kral at email.cz>