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

Joseph Wright joseph.wright at morningstar2.co.uk
Wed Apr 15 14:00:48 CEST 2015


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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