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[bug #50770] .PSPIC macro at bottom of page causes unwarranted page brea

From: Deri James
Subject: [bug #50770] .PSPIC macro at bottom of page causes unwarranted page break
Date: Thu, 4 May 2017 14:15:47 -0400 (EDT)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Firefox/52.0

Follow-up Comment #8, bug #50770 (project groff):

> Sorry if I was unclear.  I am referring to the case where an image fits at
> the bottom of a page, but PSPIC insists on moving it to the next page
> anyway, because +1v.  This move only results in an empty space that could
> have been filled with something useful.

Yes, so the maximum amount of usable space which is lost, is 1v. So for a
large graphic the percentage lost is small.

> I'm no macro wizard, but surely there is a way for PSPIC to supply vertical
> space below the image if text continues there, while still allowing the
> image to sit at the bottom of a page.

I have not earned my wizarding wand either, but I do know that groff is a
single pass system, so you don't know what is following. You do know the
position on the page where the next output will occur but this does not help
if PSPIC was called within a diversion which is subsequently then output at a
later point.

We need a wizard!


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