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Re: Help needed with pdfroff and suppression nodes
From: |
G. Branden Robinson |
Subject: |
Re: Help needed with pdfroff and suppression nodes |
Date: |
Fri, 30 Jul 2021 09:06:33 +1000 |
User-agent: |
NeoMutt/20180716 |
At 2021-07-29T21:56:34+0200, Tadziu Hoffmann wrote:
> > But the wheels turning here mystify me. What is causing the
> > `image_filename` (formerly `last_image_filename`) to go
> > uninitialized, why only in very specific circumstances?
>
> pdfmark uses the suppression mechanism bounding box output to find the
> anchor positions, but no images are involved. The Postscript branch
> in suppress_node::tprint should be perfectly okay with an empty
> image_filename. At the moment, the entire "is_html / else postscript
> (or other device)" switch is being skipped if we have no
> image_filename, resulting in no output of the link anchor information
> for pdfmark.
Thanks, Tadziu! I had no idea pdfmark was up to this. Things make a
lot more sense now.
Yes, I can see I need to revise my assumptions and my changes.
Regards,
Branden
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