Re: Justification of first & last chars in lines

On Thu, 2003-01-30 at 18:49, Matthias Clasen wrote:
> On Thu, 2003-01-30 at 19:36, Damon Chaplin wrote:
> > 
> > When justifying text, for the first & last characters in the line should
> > we use the ink_rect to line up the ink down the margins?
> > Or is it normal to just use the logical_rect?
> > 
> > i.e. does anyone know what InDesign/Quark do?
> > 
> What you need for really high quality typography is optical margin
> correction, ie kerning against imaginary boundary characters inserted at
> the beginning and end of the line. This is what programs like InDesign
> and Quark offer. For information about the integration of such features
> in the TeX engine, see Han The Thans thesis (or see the pdftex sources).
> Note that if you want to get really picky, the change in linewidth due
> to margin kerning (and other micro-typographic whitespace fiddling) must
> be taken into account when calculating optimal line breaks.

Unfortunately I doubt I'll get around to that. It is far too complicated

I've read Han The Thanh's thesis though. As Owen pointed out, OpenType
already has support for 'Optical Bounds' so we could use that at some


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