[FORGED] Re: Plotmath on Fedora 31 broken with with pango >= 1.44 - workarounds?
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 at r-project.org> wrote:
Le mercredi 08 avril 2020 ? 02:55 -0700, Gabriel Becker a ?crit :
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
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Dr Paul Murrell Department of Statistics The University of Auckland Private Bag 92019 Auckland New Zealand 64 9 3737599 x85392 paul at stat.auckland.ac.nz http://www.stat.auckland.ac.nz/~paul/