[Rd] [FORGED] Re: Plotmath on Fedora 31 broken with with pango >= 1.44 - workarounds?

[Kenny Bell]

I can also confirm that the latest  https://hub.docker.com/_/r-base has the
correct behaviour.

On Tue, May 26, 2020 at 5:05 PM Kenny Bell <kmbell56 using gmail.com> wrote:

> I was actually able to reproduce this on a relatively fresh install of
> 18.04 (a virtualbox). Paul, did you run apt update && apt upgrade before
> trying to reproduce?
>
> On Tue, May 26, 2020 at 4:36 PM Kenny Bell <kmbell56 using gmail.com> wrote:
>
>> Hi Paul,
>>
>> I tried downgrading to R 3.4.4 and I still see the problem. I also have a
>> conda environment that doesn't exhibit the problem so it's something
>> environmental.
>>
>> Any tips for possible solutions/troubleshooting would be appreciated!
>>
>> Cheers,
>> Kenny
>>
>> On Tue, May 26, 2020 at 3:09 PM Paul Murrell <paul using stat.auckland.ac.nz>
>> wrote:
>>
>>>
>>> I am not seeing that problem on my 18.04 ...
>>>
>>>  > sessionInfo()
>>> R version 4.0.0 Patched (2020-05-12 r78431)
>>> Platform: x86_64-pc-linux-gnu (64-bit)
>>> Running under: Ubuntu 18.04.4 LTS
>>>
>>> Matrix products: default
>>> BLAS:   /home/pmur002/R/R-4-0-branch/BUILD/lib/libRblas.so
>>> LAPACK: /home/pmur002/R/R-4-0-branch/BUILD/lib/libRlapack.so
>>>
>>> locale:
>>>   [1] LC_CTYPE=en_NZ.UTF-8       LC_NUMERIC=C
>>>   [3] LC_TIME=en_NZ.UTF-8        LC_COLLATE=en_NZ.UTF-8
>>>   [5] LC_MONETARY=en_NZ.UTF-8    LC_MESSAGES=en_NZ.UTF-8
>>>   [7] LC_PAPER=en_NZ.UTF-8       LC_NAME=C
>>>   [9] LC_ADDRESS=C               LC_TELEPHONE=C
>>> [11] LC_MEASUREMENT=en_NZ.UTF-8 LC_IDENTIFICATION=C
>>>
>>> attached base packages:
>>> [1] stats     graphics  grDevices utils     datasets  methods   base
>>>
>>> loaded via a namespace (and not attached):
>>> [1] compiler_4.0.0
>>>
>>> Paul
>>>
>>> On 26/05/20 2:21 pm, Kenny Bell wrote:
>>> > Hi all,
>>> >
>>> > I have found after upgrading to R 4.0.0 (among other upgrades so this
>>> may
>>> > not be the cause) that the degree symbol doesn't work correctly on
>>> Ubuntu
>>> > 18.04. Googling brought me to this thread that appears related.
>>> >
>>> > I tried running:
>>> > cairo_pdf()
>>> > plot.new(); text(0.5,0.5, bquote(120*degree*N), cex=5)
>>> > dev.off()
>>> >
>>> > and the ubuntu plot has the degree symbol vertically in the center of
>>> the
>>> > line. The Windows one correctly shows as superscript.
>>> >
>>> > Anyone else see this behaviour?
>>> >
>>> > Cheers,
>>> > Kenny
>>> >
>>> > On Fri, Apr 10, 2020 at 3:36 AM Nicolas Mailhot via R-devel <
>>> > r-devel using r-project.org> wrote:
>>> >
>>> >> Le mercredi 08 avril 2020 à 02:55 -0700, Gabriel Becker a écrit :
>>> >>> Hi Paul,
>>> >>
>>> >> Hi Gabriel,
>>> >>
>>> >> Thanks a lot for the testing.
>>> >>
>>> >>> The various font family settings seem to work too, from what I can
>>> >>> tell. Both font families you suggested, however, Helvetica and Apple
>>> >>> Symbols (the s is important) have significantly incomplete coverage
>>> >>> with PUA on.
>>> >>
>>> >> That is to be expected, the AMS symbol dump in PUA space was a quick
>>> >> hack to make pre-unicode symbols available in an unicode world,
>>> pending
>>> >> their normalisation.
>>> >>
>>> >> That standardisation is long past (IIRC it occured by unicode 3.2
>>> >> released in March 2002), so no newly created/updated font family is
>>> >> going to place those symbols in PUA anymore.
>>> >>
>>> >> Now adding the AMS symbols to new fonts has been slow, due to the
>>> large
>>> >> amount of software hardcoding Symbol (and equivallent) and masking the
>>> >> actual glyph userbase to font makers. It will accelerate with more
>>> apps
>>> >> expecting plain unicode by default.
>>> >>
>>> >> Thanks for the testing!
>>> >>
>>> >> Regards,
>>> >>
>>> >> --
>>> >> Nicolas Mailhot
>>> >>
>>> >> ______________________________________________
>>> >> R-devel using r-project.org mailing list
>>> >> https://stat.ethz.ch/mailman/listinfo/r-devel
>>> >>
>>> >>
>>> >> ______________________________________________
>>> >> R-devel using r-project.org mailing list
>>> >> https://stat.ethz.ch/mailman/listinfo/r-devel
>>>
>>> --
>>> Dr Paul Murrell
>>> Department of Statistics
>>> The University of Auckland
>>> Private Bag 92019
>>> Auckland
>>> New Zealand
>>> 64 9 3737599 x85392
>>> paul using stat.auckland.ac.nz
>>> http://www.stat.auckland.ac.nz/~paul/
>>>
>>

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