On Fri, 12 Jun 2009, Jérome Laurens wrote:
> After some experiments, things are not so clear in my mind Here is a
> sample pdf that does not seem to fit the rules given by Hartmut It is
> an *LB or *RB direction sample and the characters are aligned top
> ignoring the baseline. What was wrong ?
1st page is right, with TLB glyphs hang downward, with their top aligned
at the baseline.
2nd page, ooops, with BRT they stand above the baseline with their
descenders, but they should be vertically positioned similarly to TLT.
And aleph does it right, a bug in luatex, i'll fix. Thanks for spotting
this.
btw, the attached file shows how the margins are set in the various
directions.
Regards, Hartmut
\synctex=1
\pagewidth=210mm % for R** and *R*
\pageheight=297mm % for all
\pagetopoffset=1in % for T** and *T*
\pagebottomoffset=1in % for B** and *B*
\pageleftoffset=1in % for L** and *L*
\pagerightoffset=1in % for R** and *R*
\parindent=0pt
\pagedir TLB
\bodydir TLB
\pardir TLB
\textdir TLB
TLB-\vrule width 1pt height0.5pt depth0.5pt
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
\par\noindent
Praesent vitae massa sem.
Donec venenatis sem et lectus viverra in adipiscing metus vestibulum.
Sed accumsan rutrum sem ut tincidunt.
Aenean diam nulla, egestas nec dignissim vitae, congue sed lacus.
Nulla iaculis blandit diam eu rutrum.
\vfill\eject
\pagedir BRT
\bodydir BRT
\pardir BRT
\textdir BRT
BRT-\vrule width 1pt height0.5pt depth0.5pt Lorem ipsum dolor sit amet, consectetur adipiscing elit.
\par\noindent
Praesent vitae massa sem.
Donec venenatis sem et lectus viverra in adipiscing metus vestibulum.
Sed accumsan rutrum sem ut tincidunt.
Aenean diam nulla, egestas nec dignissim vitae, congue sed lacus.
Nulla iaculis blandit diam eu rutrum.
\bye
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