[luatex] protect_glyph

[luigi scarso]

On Mon, Jul 4, 2011 at 12:24 PM, Patrick Gundlach <patrick at gundla.ch> wrote:
>> and why 256 is important for it ?
>
> good question. The bit field has only 4 bits, so 256 makes no sense for me.
5 bits, see
luatexdir/tex/texnodes.h

>
>
> BTW: there seems to be a contradiction in the manual. P. 174 has the following table:
yes, it seems so.

> bit meaning
> 0 character
> 1 glyph
> 2 ligature
> 3 ghost
> 4 left
> 5 right
wrong
>
>
> but page 144 states:
>
> bit0   1: char,    0: glyph
> bit1   1: ligature 0: no ligature
> bit2   1: ghost    0: no ghost
> bit3, bit4: rightghost / leftghost
right


-- 
luigi