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Re: [Groff] Question about .trunc


From: Werner LEMBERG
Subject: Re: [Groff] Question about .trunc
Date: Thu, 03 Nov 2016 06:11:38 +0100 (CET)

> According to the info docs, .trunc is "a read-only register
> containing the amount of vertical space truncated by the most
> recently sprung vertical position trap."  However, if I insert
> 
>   .tm page \\n[%] \\n[.trunc]
> 
> at the very top of a trap-invoked footer macro that coincides with
> my bottom margin, .trunc is reporting '0' even when the last line on
> the page falls short of the bottom margin.  [...]

Maybe a bug.  Please provide a small demo file and file a report so
that someone can fix and/or check that (not me, I fear).


    Werner



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