Lars Hellström wrote:

>

> Michael J. Downes wrote:

> >There is a related kind of justification problem that is used in AMS

> >publications: if a figure caption is less than one line in length,

> >center it, otherwise use block justification:

> >

> >  |-----------------------------------------------------------|

> >                  Figure 1. A short caption

> >

> >

> >  |-----------------------------------------------------------|

> >  Figure 2.  On the other hand  if there is  a long caption the

> >  first line  should not be centered,  the whole caption should

> >  be full-justified like this.

> >

> >This is hard to handle by only declarative parameter settings. At some

> >level it is necessary to program a test for the length of the text.

>

> No, it isn't. It is sufficient to first try the Figure 2 layout, then count

> how many lines it broke into (using \prevgraf),



With \looseness-1 I would add...



>                                                 and set it again in the

> Figure 1 layout if it turned out to be a single line. With this

> implementation, your are probably better off with a declarative interface,

> as you can then have a template do all the fiddling with linebreaking

> parameters (you'd probably want a large \linepenalty, for example).

>

> Lars Hellström





        Jean-François Mertens.