[NTG-context] Fwd: Re: roadmap

Hans Hagen j.hagen at xs4all.nl
Wed May 16 17:37:55 CEST 2018

-------- Forwarded Message --------
Subject: Re: [NTG-context] roadmap
Date: Wed, 16 May 2018 17:37:30 +0200
From: Hans Hagen <j.hagen at xs4all.nl>
To: Pablo Rodriguez <oinos at gmx.es>

On 5/16/2018 5:18 PM, Pablo Rodriguez wrote:
> On 05/15/2018 11:26 PM, Hans Hagen wrote:
>> On 5/15/2018 9:17 PM, Pablo Rodriguez wrote:
>>> [...]
>>> Hans,
>>> I wonder whether it would be possible to implement a feature that you
>>> mentioned in the past.
>>> In order to avoid widow and orphan lines, you mentioned that it would be
>>> possible to automatically adapt the interline space for the page, so
>>> that it may have one more line to avoid orphans (when interline space is
>>> decreased) or it may move a line to the next page to avoid widows
>>> (increasing the interline space in the present page).
>>> Would it be possible to add this feature to ConTeXt?
>> actually it was something that came up when talking with Hermann Zapf
>> years ago: he suggested to just vertically scale the text area (i
>> actully implemented that an hour later) ... his opinion was that only a
>> very small percentage of readers will notice (at that time we did
>> experiments with hz, the expansion in pdftex: in fact nobody noticed
>> that too, real interesting was that texies commented on all kind of
>> things related to how tex is supposed to work: a clear demonstration
>> that the average user knows what the virtues of tex are but not really
>> sees it)
> I must confess that I can recognize hanging characters, but quality
> expansion is impossible to see (at least, for me).
> I would even say that if expansion can be seen by a human reader, the
> results will be crappy.
> How can I use the vertical scale feature to prevent widows and orphans?
not now ... it was a mkii experiment more than a decade ago


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