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Subject:Re: date grief
Date:Tue, 12 Dec 2017 08:46:54 +1000
From:Leslie <"ViaThe List"@NOSPAM.com>
Newsgroups:pnews.paradox-dos

On 12/12/2017 8:03 AM, Bernie van't Hof wrote:
> And how about:
>
> CHECK calc 24-Jun-2016-2..
> -or-
> CHECK calc 24-Jun-2016+2..
> (same result)
>
> ============ Answer ==========
> ANSWER |    Date     | Blank |
> -------|-------------|-------|
>      1 |  1-Jan-2011 |       |
>      2 | 23-Jun-2016 |       |
>      3 | 24-Jun-2016 |       |
>      4 | 25-Jun-2016 |       |
>
> In contrast to:
> CALC 24-Jun-2016-24-Jun-2016 => OK (0)
> CALC 24-Jun-2016+24-Jun-2016 => "Type Error"
>
> I think we're done: MATH + WILDCARD = ERROR
>
> - Bernie

Yes and No.

*Day* arithmetic after a date pattern works, any other combinations will 
probably produce an error or do nothing.

Having said that, I think it likely that Date Pattern + Day Value only 
works because of how the parsing works and not by intentional design.

So without the actual documentation, I think you are within your rights 
to claim it to be unsupported in your new world. You could always 
revisit if any additional information comes to light.

Of course if the goal is not an emulation, then you could make your own 
date parsing rules up when patterns are involved.

Leslie.

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