fdo69552 backward compatibility with optional arguments in calc functions

[Eike Rathke]

Hi Winfried,

On Friday, 2013-12-06 08:26:00 +0100, Winfried Donkers wrote:

> >> And if this can be done, can't we do this the other way round as well?
> >Sure, but we don't want that ;-)
> >> I mean using the function CEILING in the UI and saving it as CEILING or CEILING_ODF depending on the used arguments and when reading a file converting both CEILING and CEILING_ODF to CEILING in the UI.
> >No, saving as another function additionally to CEILING would mean that
> >all other consumers of the file would not know it.
> 
> I'm afraid I don't understand. 
> AFAICS your proposed change produces CEILING or CEILING_ODF in the file, depending on the number of arguments used. All other users than version 4.3 and up will not know CEILING_ODF.

No, I proposed (or at least I think I did, that's what I meant anyway ;-)
to introduce a new / change the UI names, and only the UI names,
depending on the number of arguments encountered during reading a file.
There'll be only one CEILING for the file format and never another one.

Let me get that wiki page up this week and clarify..

  Eike

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