On Mon, Feb 11, 2019 at 3:00 PM Jeremie Knuesel <knue...@gmail.com> wrote:
> > I get differences also without luaotfload and with
> >
> > \font\tenrm=phvr8t at 10bp
>
> Hi, I did more tests with Patrick's font expansion example and the
> phvr8t font, and it seems that this other change of behavior indeed
> comes from revision 6844 from the experimental branch. More precisely,
> the following change is responsible:
>
> diff -wu source/texk/web2c/luatexdir/tex/_linebreak.w
> source/texk/web2c/luatexdir/tex/linebreak.c
>
> [... lots of changes...]
> @@ -1319,55 +1579,67 @@
> shortfall -= (total_font_stretch +
> margin_kern_stretch);
> } else if ((shortfall < 0) && ((total_font_shrink +
> margin_kern_shrink) > 0)) {
> if ((total_font_shrink + margin_kern_shrink) > -shortfall)
> - shortfall = -((total_font_shrink +
> margin_kern_shrink) / (max_shrink_ratio / cur_font_step)) / 2;
> + shortfall -= ((total_font_shrink +
> margin_kern_shrink) / (max_shrink_ratio / cur_font_step)) / 2;
> else
> shortfall += (total_font_shrink + margin_kern_shrink);
> }
> }
>
> Manually reverting this particular change brings back the old behavior.
>
> Jeremie
>
Committed revision 7080, thank you very much.
--
luigi
