Re: page ends with a section title followed by a table

[Sylvain Hubert <champignoom@gmail.com>]

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On Tue, 10 Nov 2020 at 17:54, Wolfgang Schuster <
wolfgang.schuster.lists@gmail.com> wrote:

> Pablo Rodriguez schrieb am 10.11.2020 um 15:59:
> > On 11/10/20 9:55 AM, Sylvain Hubert wrote:
> >> Dear List,
> >>
> >> In the following example, the section title appears at the very end of
> >> the first page.
> >> [...]
> >> Does anyone know where to adjust the penalty in this case, so that the
> >> section title can be repositioned to the next page?
> > Hi Sylvain,
> >
> >    \setuphead[title]
> >      [before={\blank[preference, big],
> >       after={\blank[samepage, big]]
> >
> > In this case, the blank space before sets a preference for inserting a
> > page break. The blank space after requires to be in the same page with
> > next paragraph.
>
> Another method is to move the section title to the next page when the
> remaining spaces
> is below a specified number of lines. The following setup forces a page
> break when
> less than 4 lines remain on the current page.
>
> \setuphead
>    [section]
>    [before={\testpage[4]\blank[2*big]}]
>
> Wolfgang
>

Hi Wolfgang,

Thanks for the suggestion, but as illustrated by the second example, copied
here, where the section title is at the top of the page:

    \starttext
    \showframe
    \dorecurse{50}{a }
    \startsection[title=spec][before={\blank[preference,big]},
after={\blank[samepage,big]}]
    \startxtable
    \startxrow
    \startxcell[ny=30]a\stopxcell\startxcell 1\stopxcell
    \stopxrow
    \dorecurse{29}{\startxrow\startxcell 2\stopxcell\stopxrow}
    \stopxtable
    \stoptext

it is sometimes difficult to predict how much remaining space should
trigger a line break.

Sylvain

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