[Rd] [R-pkg-devel] Problem with "compacting" pdf files.

[Kurt Hornik]

>>>>> Ivan Krylov writes:

Thanks: committed now.

Best
-k

> Dear Rolf,
> (Moving this one to R-devel...)

> On Sun,  1 Oct 2023 21:01:13 +0000
> Rolf Turner <rolfturner using posteo.net> wrote:

>> I *really* think that the instructions from CRAN could have been
>> clearer!  Without your guidance I'd have been at a total loss.

> Since the CRAN e-mails quote the R CMD check messages verbatim, would
> it have been enough if R CMD check suggested using --compact-vignettes?

> Index: src/library/tools/R/check.R
> ===================================================================
> --- src/library/tools/R/check.R	(revision 85249)
> +++ src/library/tools/R/check.R	(working copy)
> @@ -3079,7 +3079,8 @@
>                           "  'qpdf' made some significant size reductions:\n",
>                           paste("  ", res, collapse = "\n"),
>                           "\n",
> -                         "  consider running tools::compactPDF() on these files\n")
> +                         "  consider running tools::compactPDF() on these files,\n",
> +                         "  or build the source package with --compact-vignettes\n")
>              }
>              if (R_check_doc_sizes2) {
>                  gs_cmd <- find_gs_cmd()
> @@ -3093,7 +3094,8 @@
>                                   "  'gs+qpdf' made some significant size reductions:\n",
>                                   paste("  ", res, collapse = "\n"),
>                                   "\n",
> -                                 '  consider running tools::compactPDF(gs_quality = "ebook") on these files\n')
> +                                 '  consider running tools::compactPDF(gs_quality = "ebook") on these files,\n',
> +                                 '  or build the source package with --compact-vignettes=both\n')
>                      }
>                  } else {
>                      if (!any) noteLog(Log)

> Or is there anything else you would prefer to be reworded? Should the
> message link to Writing R Extensions, section 1.4? Recently there was a
> project to improve the R CMD check messages [*], but I managed to miss
> almost all of it.

> -- 
> Best regards,
> Ivan

> [*] https://github.com/r-devel/r-project-sprint-2023/issues/55

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