[tex-live] Re: [tex-implementors] Re: bug in etex

[David Kastrup]

Olaf Weber <olaf at infovore.xs4all.nl> writes:

> I strongly recommend inserting a trap in the location given, to verify
> whether in the reference implementation we also end up "dereferencing"
> a null.
> 
> @x l.2737 - guard against |sa_ptr|(|null|).
>     else q:=sa_ptr(cur_ptr)
> @y
>     else if cur_ptr=null then q:=null else q:=sa_ptr(cur_ptr)
> @z

That sounds like trying to mask instead of fixing a bug.

-- 
David Kastrup, Kriemhildstr. 15, 44793 Bochum