[Rd] paste(character(0), collapse="", recycle0=FALSE) should be ""
m@ech|er @end|ng |rom @t@t@m@th@ethz@ch
Thu May 28 09:39:19 CEST 2020
>>>>> Martin Maechler
>>>>> on Wed, 27 May 2020 13:35:44 +0200 writes:
>>>>> Hervé Pagès
>>>>> on Tue, 26 May 2020 12:38:13 -0700 writes:
>> Hi Martin, On 5/26/20 06:24, Martin Maechler wrote: ...
>>> What about remaining back-compatible, not only to R 3.y.z
>>> with default recycle0=FALSE, but also to R 4.0.0 with
>> What back-compatibility with R 4.0.0 are we talking about?
>> The 'recycle0' arg was added **after** the R 4.0.0 release
>> and has never been part of an official release yet.
> Yes, of course. It was *planned* for R 4.0.0 and finally was
> too late (feature freeze etc)... I'm sorry I was wrong and
> misleading above.
>> This is the time to fix it.
> Well, R 4.0.1 is already in 'beta' and does contain it too.
> So the "fix" should happen really really fast, or we (R core)
> take it out from there entirely.
Well, in the end your repeated good reasoning has prevailed:
I've committed a change (to R-devel; most probably in
time to be ported to 4.0.1 beta).
I think this implements the recycle0 = TRUE behavior you
have been advocating for,
in svn r78591 (2020-05-27 19:45:07 +0200) with message
paste(), paste0(): collapse=<string> always gives a string
(also w/ `recycle0=TRUE`)
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