[luatex] LuaTeX file almost 2.5x bigger

Khaled Hosny khaledhosny at eglug.org
Sat Jul 31 12:30:56 CEST 2010

On Sat, Jul 31, 2010 at 12:14:20PM +0200, Hans Hagen wrote:
> On 28-7-2010 12:55, Will Robertson wrote:
> >On 2010-07-26 06:04:19 +0930, Hans Hagen <pragma at wxs.nl> said:
> >
> >>For documents meant for reading from displays font expansion makes no
> >>sense anyway (actually, in print it also is somewhat debatable as
> >>abusing it makes things worse).
> >
> >Not sure I agree with you here (or I at least don't understand you).
> >Font expansion creates more readable paragraphs by producing lines with
> >smaller \badness -- surely that's an advantage even on screen? Where
> >does the nonsense come from? (Distorted glyphs? Reading PDF on screen in
> >the first place?)
> Displacement (and scaling) are normally less that pixel differences.
> Differently scaled glyphs in successive lines might stand out more
> on screen. Maybe if we have > 600 dpi screens ...
> Concerning the badness ... there is some wishful thinking involved I
> guess ... when hz was introduced in pdftex we did experiments at
> usergroup meetings (each participant got its own randomized copy so
> no shared experiences).

In case of Arabic (where there is no hyphenation, and the alternative
justification techniques are not implemented yet), I got ride of all the
overfull boxes in my document by enabling expansion alone, yet nobody
can notice it, which is good in my book.


 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer

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