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From: Hans Hagen <pragma@wxs.nl>
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Subject: Re: Strange errors
Date: Mon, 08 Jan 2001 00:16:45 +0100
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At 12:17 PM 1/7/01 -0800, you wrote:
>Hans,
>
>>>I have a file that I haven't compiled for about a year. I compiled it
>>>today, only to get some really bad pagination in places (sample pdf
>>>attached, as well as log file). About eight pages out of a 70 page doc
>>>exhibit this behavior.

Strange indeed, took me some time to track it down; this is due to some new
math stuff deep down, where I do a preroll without blocking inserts, in 

  core-mat.tex

you can add the 

  \holdinginserts 

line.   

\def\getlastlinewidth% will use the new otr installer
  {\ifinner
     \global\lastlinewidth=\!!zeropoint
   \else
     \bgroup
     \holdinginserts=1 % patch ! ! ! ! !
     \output{\global\setbox1=\vbox{\unvbox\normalpagebox}}
     \eject

Thanks for the report, 

Hans

PS. This concerns last line before display math spacing optimization, for
which some dirty tricks are needed. 

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