[Dev-luatex] positioning patch

Hartmut Henkel hartmut_henkel at gmx.de
Tue Mar 17 20:32:29 CET 2009

Hi Khaled,

On Tue, 17 Mar 2009, Khaled Hosny wrote:

> On Sun, Mar 08, 2009 at 09:43:20PM +0100, Hartmut Henkel wrote:
> > just uploaded a patch that should allow to typeset also vertically
> > in PDF, and it also moves positioning code away from luatex.web into
> > file pdf/pdfpage.c file. Please give it a try, and report what is
> > broken.
> I did a quick test using latex and beamer package, and found that
> luatex appends some random strings to end of lines, things like
> "gg...rg..." or "ggggg" etc. I'm not sure if this is related to
> positioning changes, but in TRT mode those strings overlap on the
> mirrored line and don't get mirrored them selves. This issue is in PDF
> mode only.

thanks for reporting this bug, yes it's connected to the positioning.
What you see are color commands like "r0.2 0.2 0.7 rg 0.2 0.2 0.7 RG",
so some \pdfliteral command stays in the text of the []TJ array, will

Regards, Hartmut

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