>>>>> "Larry" == Larry S Marso <[EMAIL PROTECTED]> writes:

Larry> If this is true, can you please comment for our readers on what
Larry> LyX does when you activate the following button?

Layout-> Paragraph Vertical Spaces->Keep

Larry> On Wed, Feb 10, 1999 at 09:44:03AM -0500, John Weiss wrote:
>> On Tue, Feb 09, 1999 at 10:12:22PM -0500, David C. Brown N2RJT
>> wrote: > My son was doing an article for school with LyX 1.0.  When
>> he printed his > article, I noticed a paragraph that ended in a
>> single line at the top of a > page.  I was surprised, since I
>> thought LaTeX would prevent such things.  > Is this (a) a LyX bug,
>> > (b) a LaTeX bug,
>> 
>> LaTeX handles all widows/orphans.  LyX knows nothing of page
>> breaks.
>> 
>> -- John Weiss

There several answers to these questions:

1/ The default parameters used by the latex classes for widow/orphans
might not be the right ones. What I've seen advised is:

\widowpenalty=10000
\clubpenalty=10000
\raggedbottom

[this should go in the preamble]

2/ If you set explicit vertical paragraph spaces, you should ensure
that they contain enough elasticity. The default Medskip et al do have
elasticity, '2em' does not. 

3/ As far as I know, 'Keep' is not related to that. It is mainly used
to obtain \vspace* vs \vspace and ensure that your space is
effectively added (the default is 'at least this space').

JMarc

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