prepare.pl looping forever

[Alejandro Colomar]

Hi Deri!

I've triggered a forever loop in the scripts that produce the Linux
man-pages PDF book.

I think the problem is in prepare.pl, since top(1) shows it stuck at
around 100% CPU.  It doesn't call anything groff internally, so it's
just an issue in the perl code.  However, it might be interesting to see
if groff's internal scripts for building a PDF bug share the same
problem.

Since I'm clueless reading perl, I can't debug it.  Deri, would you mind
having a look at it?  I've pushed a tag of the Linux man-pages
repository where this reproduces (in 2 systems of mine).

Try this tag:
<https://www.alejandro-colomar.es/src/alx/linux/man-pages/man-pages.git/tag/?h=prepare_pl_works_forever>
and run `make` (you'll want to run with -j to make it faster).

Have a lovely day!
Alex

-- 
<https://www.alejandro-colomar.es/>

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