Re: [Groff] PDFPIC macro

[Peter Schaffter]

On Thu, Sep 18, 2014, Keith Marshall wrote:
> > On 17/09/14 22:22, Peter Schaffter wrote:
> > Yes.  The way groff stands now, I'm uneasy relying on external tools
> > and .sy for anything but local, user-written macros.  There's precedent,
> > though, in www.tmac (PIMG), and this seems to be the best solution
> > for PDF images.
> 
> Do note, however, that this will compromise portability; e.g. pdfinfo is
> unlikely to be supported on MS-Windows hosts.  Also, since .sy is an
> intrinsically unsafe request, any macro which relies on it *must* be
> invoked in unsafe mode, and users should rightly be wary of enabling
> that, for untrusted sources.

Are there any tools that can be used in place of pdfinfo that are
Windows safe?  Sorry, I haven't done Windows since...well...ever. :)

Would an addition to the warning emitted by the macro be sufficient
to alert users to the potential dangers of -U?

-- 
Peter Schaffter
http://www.schaffter.ca