[tex-live] Ignored italic correction with lua(la)tex format

Philipp Stephani p.stephani2 at googlemail.com
Sat Oct 8 09:30:49 CEST 2011

2011/10/7 Khaled Hosny <khaledhosny at eglug.org>:
> On Fri, Oct 07, 2011 at 12:31:08PM -0500, Dan Luecking wrote:
>> Caveats: This assumes that I correctly understand the concerns
>> of the OP, that my reading of the TeXbook is correct and that
>> luaotfload is trying to emulate original TeX as far as possible.
> The issue here is related to the engine, AFAICT luaotfload is properly
> delivering font structure as the engine expects it,


> the problem seems to
> be related to that catcode thing which is beyond my comprehension,
> whether it is a luatex bug or feature is too beyond me.

I'm quite convinced that the catcode test in mlist.w (line 3387) is
not the desired behavior. As others explained, catcodes should play no
role in that stage of processing. Probably we need another entry in
the character tables that specifies whether the character is italic or

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