[pdftex] \ignoreprimitiveerror implemented

[Frank Mittelbach]

Hi Karl, Thanh,

> For the record: per Frank's request to Thanh (private mail) last July,
> Thanh has implemented a new \ignoreprimitiveerror bitwise
> parameter. It's enabled with -etex (which is set by default when
> building the formats, etc.)
> 
> If the value is 1, the \vsplit error
>    print_err("Infinite glue shrinkage found in box being split");
> is changed to a warning. All other values/bits are reserved (and
> currently do nothing).
> 
> I merged the change, using the same primitive name, into XeTeX. 

cool.

> There
> appeared to be no easy way to make an engine-independent change file.
> I expect it is possible, but I gave up after a couple of failures.'
> Other things to do.

pity

> 
> I asked Luigi(+ Hans) to implement it for LuaTeX and the JP devs to
> implement it for euptex. Those engines will probably have different
> interfaces. tbd. --thanks, karl.

hopefully not (especially if eventually other bits get turn active), but 
if the interfaces are different, we can easily handle that during format 
generation for LaTeX, so not a big deal.

I presume this is coming with TL25 then?

thanks
Frank