[tex-live] LuaTeX 0.80: Non-discretionary \discretionary

[Zdenek Wagner]

Yes, and \exhyphenpenalty is used to control it.

XeTeX has a new primitive to enable/disable it (I forgot its name)


Zdeněk Wagner
http://hroch486.icpf.cas.cz/wagner/
http://icebearsoft.euweb.cz

2015-04-15 14:00 GMT+02:00 Joseph Wright <joseph.wright at morningstar2.co.uk>:

> On 15/04/2015 12:47, Joseph Wright wrote:
> > Hello all,
> >
> > With example
> >
> >     \tracingoutput=1 %
> >     \showboxdepth=\maxdimen
> >     \showboxbreadth=\maxdimen
> >     1-world
> >     \bye
> >
> > and LuaTeX 0.79 I get in the log the expected
> >
> >     ...\tenrm 1
> >     ...\tenrm -
> >     ...\tenrm w
> >     ...\kern-0.27779
> >     ...\tenrm o
> >     ...\tenrm r
> >     ...\tenrm l
> >     ...\tenrm d
> >
> > whereas with Tl'15 pretest LuaTeX 0.80 I get
> >
> >     ...\tenrm 1
> >     ...\tenrm -
> >     ...\discretionary
> >     ...\tenrm w
> >     ...\kern-0.27779
> >     ...\tenrm o
> >     ...\tenrm r
> >     ...\tenrm l
> >     ...\tenrm d
> >
> > Here "-" isn't a hyphenation point as 1 is not a letter.
> >
> > Is this change deliberate?
>
> It's been pointed out to me that classical TeX does have this, so
> presumably it is a deliberate change :-)
> --
> Joseph Wright
>
>
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