[luatex] bug related to attribute and math

[Dohyun Kim]

2009/2/21 Taco Hoekwater <taco at elvenkind.com>:
> Hans Hagen wrote:
>>
>> Dohyun Kim wrote:
>>
>>> OK.  However, I still get assertion failure even after modifying my code,
>>> Is my understanding about attribute totally wrong? or is this luatex's
>>> bug?
>>
>> it's a bug (the code runs ok in context but asserts in plain)
>
> fixed in #1888
>

What a quick response.  Thanks a lot.

In fact, another code fails as well in a quite similar situation.
Probably this problem may be already known to you.

$ cat t.tex
\attributedef\xyz11
{\xyz1 }
${2\over 3}$
\bye

$ luatex t
This is LuaTeX, Version snapshot-0.33.1-2009022122 (Web2C 7.5.7)
(t.tex../../../../src/texk/web2c/luatexdir/tex/mlist.c:1661: failed
assertion `type(att)==attribute_list_node'
Abort trap

$ luatex -version
This is LuaTeX, Version snapshot-0.33.1-2009022122, build 1889

Best,
Dohyun Kim