Re: [Groff] pdfmom question

[Deri James]

On Tue 01 Nov 2016 15:56:49 Peter Schaffter wrote:
> This is a question for Deri James.
> 
> Is there some reason why, in pdfmom, the system() call to groff at
> line 125 does not include '$preconv' in the first pass?
> 
> I've been working on flexible vertical whitespace in the mom macros,
> using pdfmom's PDF.EXPORT to assign first-pass strings with the
> correct amount of flex-space for each page.
> 
> I was using pdfmom to process my test file, which needed both the -t
> and -k flags.  At first, I couldn't get my flex spacing system to
> perform reliably.  After a couple of days of debugging and coming up
> with nothing, it occured to me to process the file long-hand at the
> command line instead of using pdfmom, like this
> 
>   groff -Tpdf -dPDF.EXPORT=1 \
>   -mom -z -t -k test-file.mom 2>&1 \
> 
>   | grep '^\. *ds' | \
> 
>   groff -Tpdf -mom -t -k - test-file.mom  \
> 
>   > test-file.pdf
> 
> That's when I discovered that pdfmom wasn't picking up the -t and -k
> flags on the first groff pass.  Inserting $preconv into the first
> pass in pdfmom solved the reliability issue.  I can't figure out why
> it isn't there already.

I've now added it.