Re: Chapter endings

[Wolfgang Schuster <schuster.wolfgang@gmail.com>]

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> Francisco Gracia <mailto:fgragu023@gmail.com>
> 10. November 2013 16:07
> This is a disclaimer to my former message about this subject.
>
> I continued considering the solution to the problem of using 
> *fleurons* in a document via the suggested *\leaders* command and it 
> turned out to be a dead end for the following reasons:
>
>     1) it acts wrongly if the page in which the *fleuron* is to appear 
> has a lot of blank space availabe, as the following test code 
> demonstrates:
>
> \setuplayout[lines=30]
>
> \def\Fleuron
> {\par
> \leaders\vbox to 
> \lineheight{\midaligned{Finis\\coronat\\opus}}\vfil}    \starttext
>
> \dorecurse{32}{Line \recurselevel\par}
>
> \Fleuron
>
> \stoptext
>
> where the intended *fleuron* appears superposed several times instead 
> of the only one desired;
You can avoid this when you limit the space for the leaders command.

\unexpanded\def\Fleuron
   {\par
    \begingroup
    \setupalign[middle]%
    \dowithnextbox
      {\scratchdimen\htdp\nextbox
       \cleaders\box\nextbox\vskip\dimexpr\scratchdimen+\lineheight\relax
       \endgroup}
      \vbox}

Wolfgang

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