[R-pkg-devel] CRAN Vignette pdfs garbled in Firefox pdf viewer

[jing hua zhao]

This is apparently  due to compression as needed fort package building, e.g., R CMD build --compact-vignettes=both --md5 --resave-data --log gap so mine has the same problem: https://cran.r-project.org/web/packages/gap/vignettes/jss.pdf
________________________________
From: R-package-devel <r-package-devel-bounces using r-project.org> on behalf of Mike Blazanin <mikeblazanin using gmail.com>
Sent: 09 February 2023 15:27
To: r-package-devel using r-project.org <r-package-devel using r-project.org>
Subject: [R-pkg-devel] CRAN Vignette pdfs garbled in Firefox pdf viewer

Hi all, my package gcplyr has several vignettes which, from CRAN, appear
garbled when opened with Firefox's pdf viewer (
https://cran.r-project.org/web/packages/gcplyr/index.html). Specifically,
instead of regular characters, there are numerous black-outlined white
boxes with text inside like "EO 88" or "EO 55". This doesn't occur with the
pdf vignettes on Github (https://github.com/mikeblazanin/gcplyr/). This
also doesn't occur when CRAN pdfs are opened with Chrome's pdf viewer or

opened with a local pdf viewer.

The issue was documented here:
https://github.com/mikeblazanin/gcplyr/issues/112

Anyone have any suggestions for what could be causing this?

Thanks!
Mike Blazanin

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