[bug #55081] [me] multi-column mode does not work with very long page lengths

[G. Branden Robinson]

Update of bug #55081 (project groff):

                  Status:             In Progress => Invalid                
             Open/Closed:                    Open => Closed                 
         Planned Release:                  1.23.0 => None                   

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Follow-up Comment #21:

I think our problems can be pinned on the management of footnote area traps,
which are already known to have at least one other problem (the one where they
retreat up the page across columns).

I can't screw up the formatting with the following attempted reproducer, even
with 4 columns and five 200v pages.


$ cat EXPERIMENTS/long-page.me 
.nr slimit 10000
.de XX
.if \\$1 \{\
.  nr N \\$1
.  \" Use .br and \c instead of .nf to avoid an empty page at the end.
.  br
\\nN\c
.  nr N -1
.  XX \\nN
.\}
..
.pl 200
.he '%'B'C'
.fo 'D'E'%'
.2c "" 4
.nr pv \n(.p/\n(.V \" page length in vees
.nr tv \n(tm/\n(.V \" "top margin" in vees
.nr bv \n(bm/\n(.V \" "bottom margin" in vees
.nr l \n(pv-\n(tv-\n(bv \" number of lines in text area
.nr p 5 \" number of pages desired
.XX \nl*\n($m*\np


Closing as invalid because I can't get things to break without using
footnotes.

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