[XeTeX] Discretionary line-breaks in Tamil

Suki Venkat suki.venkat at gmail.com
Mon Sep 30 11:57:19 CEST 2019

That's how all the browsers seems to behave anyway,
i.e., treating 200B as potential point for a line-break,
even if it is not defined in the font.


On Mon, Sep 30, 2019 at 4:55 AM Mike Maxwell <maxwell at umiacs.umd.edu> wrote:

> On 9/29/2019 3:02 PM, Suki Venkat wrote:
> > Then went on to hack the hyph-ta.texfile and did "mktexfmt xelatex"
> > to produce nice results using XeLaTeX.
> > It turned out the uni200B was not defined in the font, although uni200C
> > and uni200D were defined.
> > Then managed define uni200B in fontforge and it does seem to produce the
> > same result even if the uni200B (ZWSP or DLB) is defined in the font or
> not.
> I'm speaking from ignorance here--I know nothing of the internal
> workings of xetex--but it seems to me that the question of defining a
> glyph for U+200B is beside the point.  It should not, it seems to me,
> have a glyph.  Instead, xetex should break the line or not when it
> encounters this code point, and then--regardless of the line
> break--delete the character.  It's a zero width character, and its
> height is irrelevant (unlike a strut), so there's no shape to show.
> --
>     Mike Maxwell
>     "I am, by a flood, borne back to that wondrous
>     period, ere time itself can be said to have begun;
>     for time began with man." --Herman Melville,
>     Moby Dick
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