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

[Philipp Stephani]

2011/10/7 Reinhard Kotucha <reinhard.kotucha at web.de>:
> On 2011-10-06 at 23:49:56 +0200, Khaled Hosny wrote:
>
>  > In either case it makes no sense IMO to give non-letter characters
>  > a letter catcode.
>
> A catcode 11 does *not* mean that a character is a letter.  It means
> that it's allowed in control sequence names.

Indeed, and therefore category 11 is roughly equivalent to the Unicode
properties ID_Start and/or ID_Continue.

> I don't think catcodes
> are the right thing in order to determine where to apply italic
> correction.

I totally agree. The distinction that LuaTeX makes between 11 and 12
is very surprising and not in line of traditional TeX behavior.