[luatex] LuaTeX file almost 2.5x bigger

[Reinhard Kotucha]

On 8 August 2010 Paul Isambert wrote:

 > Selon Reinhard Kotucha <reinhard.kotucha at web.de>:
 > 
 > > There is probably some room for improvements.  The TJ operator
 > > supports kerning already quite similar to dvips, which is very
 > > efficient.
 > >
 > > Example (from the PDF reference manual):
 > >
 > >   [(A) 120 (W) 120 (A) 95 (Y)] TJ
 > >
 > > And the Th operator supports horizontal scaling.
 > >
 > > I think that a lot of space can be saved if these operators are used
 > > instead of the TextMatrix.
 > 
 > If I'm not mistaken, that's letterspacing instead of glyph
 > reshaping, right?

Yes, the numbers between characters denote the amount of kerning.
Glyph reshaping can be done using the Th operator.

Regards,
  Reinhard

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