Re: Help needed with pdfroff and suppression nodes

[G. Branden Robinson]

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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