# [luatex] Multi-paragraph insert confuses linebreak filters.

Paul Isambert zappathustra at free.fr
Thu Aug 5 13:41:21 CEST 2010

Selon Taco Hoekwater <taco at elvenkind.com>:

> Hi,
>
> On 08/05/2010 12:52 PM, Paul Isambert wrote:
> >
> > By the way, to spot the indent box, and not another box, the only way (as
> far as
> > I can see) is to check that it has subtype = 0 (unknown origin) and width =
> > tex.parindent. Altough I can't see how a box with the same properties could
> ever
> > happen, wouldn't it be nice to have more subtypes?  I'm thinking about the
> indent
> > box and
>
> Now, that was easy enough. As of #3796, paragraph indentation boxes
> have subtype 3.

Wow. That is extremely nice (and fast!). Thank you!

>
> > the hbox that TeX produces when it's not happy about how \end was called.
>
> That one is extra special, so I have not done that yet.
>

Not urgent, though. I think everybody (or every format) has a way to avoid it.
That's just a kind of global consistency.

Best,
Paul