Re: Problems with .PDFPIC caused by pdfinfo

[Keith Marshall]

On 20/09/2021 19:22, Dave Kemper wrote:
> Hi Heinz-Jürgen,
>
> Thanks for debugging and submitting a fix for this problem!

Except that it's not really the most appropriate solution; that was 
proposed four years ago...

> In general, when proposing changes to the groff code base, it's best
> to open a bug report ...

...and Bertrand opened a (belated) ticket:
https://savannah.gnu.org/bugs/index.php?55107

which has shown no activity since; (so even open tickets aren't immune 
to fading into obscurity).

> Regarding the specific change you've proposed, there may be some
> resistance to using a grep option that's not part of the POSIX
> standard for the command.  I'm not sure how widely implemented -a is,
> or what equivalent solution might be more portable.

I would go even further ... groff should *not* be calling out to 
external tools, such as grep — much less pdfinfo — from within core 
code, in a manner which requires use of unsafe mode, *especially* when 
core code to achieve the required functionally has been awaiting 
integration for a number of years!

--
Cheers,
Keith.