[Rd] [External] Suppressed "graphical parameter" warnings reviving themselves magically

[iuke-tier@ey m@iii@g oii uiow@@edu]

Warnings are not "reviving themselves magically". Try resizing the
window a few times and hitting return in the REPL. That should give
you a hint on what is going on.

Best,

luke

On Fri, 21 Mar 2025, Henrik Bengtsson wrote:

> What's going on here?
>
> $ R --vanilla --quiet
>> plot.new(); suppressWarnings({ points(0, 0, foo = TRUE) })
>> NULL
> NULL
> Warning messages:
> 1: "foo" is not a graphical parameter
> 2: "foo" is not a graphical parameter
>
> Note how the warnings are revived in that second "NULL" call.  I can
> reproduce this in R 4.4.3 and R-devel (2025-03-19 r88003). This might
> be specific to "graphical parameter" warnings, because it won't happen
> with, say, suppressWarnings({ log(-1) }).
>
> It also doesn't appear if I call split up the first call into to
> different REPL calls;
>
> $ R --vanilla --quiet
>> plot.new()
>> suppressWarnings({ points(0, 0, foo = TRUE) })
>> NULL
> NULL
>
> /Henrik
>
> PS. I thought I had sent this many months ago, but I just now found
> this message in my draft folder, so now I'm not sure. Sorry, if this
> is a duplicate.
>
> ______________________________________________
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> https://stat.ethz.ch/mailman/listinfo/r-devel
>

-- 
Luke Tierney
Ralph E. Wareham Professor of Mathematical Sciences
University of Iowa                  Phone:             319-335-3386
Department of Statistics and        Fax:               319-335-3017
    Actuarial Science
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