https://bugs.documentfoundation.org/show_bug.cgi?id=173202

--- Comment #12 from Eyal Rozenberg <[email protected]> ---
(In reply to ady from comment #5)

> Standard Calc should be as compatible as possible
> regarding Functions.

This makes me wonder: May we should deal with this and other LO-specific
functions or extra functionality as another compatibility setting? We already
have those for other aspects of Calc and other modules; see Tools > Options >
LibreOffice Calc > Compatibility . We currently have two items there, for
hyperlink scope and for key bindings. We could introduce the setting "Use only
functions supported by [ ... ]" and have a drop-down menu. Or maybe a specific
setting for the legitimacy of `=LAMBDA()`.

> You do not understand the relevance regarding inter-compatibility between
> spreadsheet tools. In the area of Functions, you have no idea of how many
> difficulties an incompatibility brings, even when someone thinks that some
> particular syntax, or Function's argument, or format, or whatever, is better
> than what other spreadsheet tools support.

I'll admit I am not faced with the challenge of collaborating on the same
document, with a colleague using MSO. However - you are not distinguishing
between actual incompatibility and the use of a different feature. 

> Minor incompatibilities in Functions have derived in years of discussions on
> how to improve the situation in future ODF standards, users posting
> questions everywhere, bug reports of all sorts...
>
> 
> One example, of many more, would be how to deal with date-time and duration
> values, rounding differences, close-to-midnight values... Or when a function
> in Calc has different constraints and/or requirements and/or arguments than
> in other spreadsheet tools.

But these examples are of actual incompatibility, not of functionality that's
simply not supported, like defining a lambda and using it elsewhere.

> Such discussions have taken years, with multiple experienced people from
> different organizations involved, not only from TDF.
> 
> Knowingly introducing incompatibilities in Functions is not a plus.

So, how, in your opinion, would new functions be introduced for Calc, ever?

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