[BLACKBOX] AW: [BLACKBOX] Using Cyrillic characters with BlackBox 1.6-rc5

From: [at]} <Helmut>
Date: Sun, 27 Jul 2008 17:18:09 +0200

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Dear Bernhard,

> is it really necessary to have the full unicode set for identifiers
> (e.g module, procedure & global variable names)?

... ach zwei Herzen schlagen in meiner Brust ...

> I think it is a "nice to have feature", at least for exported
> identifiers, but I expect more problems than benefit.

Think about the following topic. You are a teacher. You introduce turtle graphic for beginners. The pupil doesn't speak English. The never wrote a program. Which names would you like to prefer?

  Englisch German Russia
  -------------------- --------------------- -----------------------
  Go (s: REAL); Gehe (schritte: REAL); ???? (??????????: REAL);
  GoTo (x, y: REAL); GeheNach (x, y: REAL); ??????? (x, y: REAL);
  Rotate (angle: REAL); Drehe (umGrad: REAL); ????????? (????: REAL);

  SelectThickPen; Dick; ????????????????;
  SelectThinPen; Dünn; ???????????????;

  PenUp; StiftHoch; ???????????;
  PenDown; StiftRunter; ????????????;

  OutOfPage(): BOOLEAN; Rand(): BOOLEAN; ????????????(): BOOLEAN;
  WhereX(): REAL; TurtleX(): REAL; ???X(): REAL;
  WhereY(): REAL; TurtleY(): REAL; ???Y(): REAL;

Which names would you like to prefer?

> How do you want handle such names when creating DLLs?

I don't need it with DLL's.

There are a lot of programs written in Russian, e.g. Ilya Ermakov subsystem Lab. (I apologise I don't know if I wrote his name correct.)

Look at http://oberoncore.ru/ -> ??????????

Lab is a grandiose subsystem which makes the life for teachers much easier.
You can write in an odc document the following line (it is an example from using subsystem Lab):
        --------------------------------
        PROCEDURE ???????????????*;
        BEGIN
                ?????????????????(600, 200);
                ????(200); ?????????(90);
                ????(80); ?????????(90);
                ????(200); ?????????(90);
                ????(80)
        END ???????????????;
        --------------------------------
Here is the translation to English:
        --------------------------------
        PROCEDURE DrawingRectangle*;
        BEGIN
                SetPaperSize(600, 200);
                Go(200); Rotate(90);
                Go(80); Rotate(90);
                Go(200); Rotate(90);
                Go(80)
        END DrawingRectangle;
        --------------------------------
After clicking with the mouse on "???????????????*;" or "DrawingRectangle*;" the turtle draws a rectangle. Believe me! You need not to write MODULE, IMPORT and all the other stuff.

Subsystem Lab is written with the Russian version of BB 1.5 It can't compile with standard BB 1.5 & 1.6
 
I have translated the subsystem Lab to English for BB 1.6, but the work is not finished.

???????????????* doesn't work on my translation (only runs with BB1.5ru).
DrawingRectangle* runs on both BB systems.


> It is necessary to support the full Unicode set in texts, i.e.
> comments & documentation, but as I understand it, OMiSys BB 1.6rc5
> has all changes to handle Unicode.

OM support full Unicode set with comments and documentation already in BB version 1.5 and earlier.

BB version 1.6rc5 expands this support to forms.

> PS: I don't know how other programming languages handle this problem
> and what restrictions are put on globally visible identifiers by
> operating systems and/or ABIs. But apparently C# and Java can handle
> Unicode identifiers. There is a document on the net, which tries to
> provide a universal solution (http://unicode.org/reports/tr31/)
> but similar to other universal solutions it appears to be difficult
> to digest.

OM always found a better way to go ...


Regards

Helmut Zinn
http://www.zinnamturm.eu

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Received on Sun Jul 27 2008 - 17:18:09 UTC