On Tue, Apr 17, 2012 at 11:14:45PM +0400, Serge D. Mechveliani wrote:

> I cannot repeat your example.
> [..]

I am sorry, I fix indentation in the last line, so that it becomes
                          ...
>                         while  not empty?(xs)  repeat
>                                    x   := first xs
>                                    xs  := rest  xs
>                                    str := concat[str, ",", show(x) $UT]
>                         concat(str, "]")

And now it works.
Now, I shall think about this design.
At least, you, probably, agree with that it is rather cumbersome: 
to build this full package description ...

Thanks,
 
------
Sergei
[email protected]

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