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From: clipka
Subject: Re: POV-Ray v3.8.0-beta 1 - Parse error using "%s" in Win10
Date: 25 Jul 2021 18:00:58
Message: <60fddf1a$1@news.povray.org>
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It might be worth weaving the following information into the
documentation of our "datetime" function:
-------------------------
Which codes are supported depends on the platform POV-Ray is compiled
an/or running on.
In POV-Ray v3.7, the following codes can be expexted to work reliably:
a,A,b,B,c,d,H,I,j,m,M,p,S,U,w,W,x,X,y,Y,Z,%
In POV-Ray v3.8, the following additional codes can be expexted to work
reliably:
a,A,b,B,c,C,d,D,e,F,g,G,h,H,I,j,m,M,n,p,r,R,S,t,T,u,U,V,w,W,x,X,y,Y,z,Z,%
-------------------------
(Side note: The C99/C++11 standards define additional two-letter codes
starting with E or O; while those should also work in POV-Ray v3.8,
their result _will_ differ between systems, depending on the language
settings of the computer.
(Also, note to self and fellow developers: It may be worth adding a
check in POV-Ray itself, to verify whether the formatting string
submitted is actually portable across platforms, and warn if it isn't.)
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From: Alain Martel
Subject: Re: POV-Ray v3.8.0-beta 1 - Parse error using "%s" in Win10
Date: 26 Jul 2021 11:22:13
Message: <60fed325$1@news.povray.org>
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> It might be worth weaving the following information into the
> documentation of our "datetime" function:
>
> -------------------------
>
> Which codes are supported depends on the platform POV-Ray is compiled
> an/or running on.
>
> In POV-Ray v3.7, the following codes can be expected to work reliably:
>
> a,A,b,B,c,d,H,I,j,m,M,p,S,U,w,W,x,X,y,Y,Z,%
>
> In POV-Ray v3.8, the following additional codes can be expected to work
> reliably:
>
> a,A,b,B,c,C,d,D,e,F,g,G,h,H,I,j,m,M,n,p,r,R,S,t,T,u,U,V,w,W,x,X,y,Y,z,Z,%
>
> -------------------------
>
> (Side note: The C99/C++11 standards define additional two-letter codes
> starting with E or O; while those should also work in POV-Ray v3.8,
> their result _will_ differ between systems, depending on the language
> settings of the computer.
>
>
> (Also, note to self and fellow developers: It may be worth adding a
> check in POV-Ray itself, to verify whether the formatting string
> submitted is actually portable across platforms, and warn if it isn't.)
It may also be good to give the actual meaning of those codes when used
with datetime.
In the current documentation, we only have
Here, %Y can be assumed to represent the year, %m the month, %d the day,
%H the hour, %M the minutes and %S the seconds.
I have no hint about the meaning of any of the others.
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