Re: Orphans/Widows in the Index

["Jan Tosovsky" <j.tosovsky@email.cz>]

On 2014-04-23 Jan Tosovsky wrote:
> 
> in my auto-generated two column index (registry) there are 
> several cases of widows - it is the last item of the given 
> letter which overflows to next column/page:
> 
>     --------------- (start page) -------
>     Usti 29 (! alone !)
> 
>     V
>     Vamberk 18
>     ...
>     ...
> 
> 
> There are also few cases of orphans, but this is not so strange:
>     ...
>     ...
>     Josef 29
> 
>     K         
>     Karel 69 (! alone !)
>     ---------------- (end page) ---------
> 
> In my setup I have defined (with no luck):
> 
> \startsetups[grid][mypenalties]
>     \setdefaultpenalties
>     \setpenalties\widowpenalties{2}{10000}
>     \setpenalties\clubpenalties {2}{10000}
> \stopsetups
> 
> \setuplayout[grid=yes, setups=mypenalties]
> 

After finishing another duties I am back ... and still facing these issues.

I think both cases could be eliminated by establishing a new constraint to
the 'key letter':
(1) There must be 0 or at least 3 lines at the beginning of the 
    page/column before the Key letter.
(2) There must be at least 2 lines after the Key letter.

Can this be somehow set in my source file? 

Thanks, Jan

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