Re: Pandoc LuaTeX-flavor PDF output fails with fontspec << 2.0

[John MacFarlane <jgm@berkeley.edu>]

+++ Jonas Smedegaard [Mar 11 12 14:13 ]:
> On 12-03-10 at 06:30pm, John MacFarlane wrote:
> > +++ Jonas Smedegaard [Feb 29 12 10:58 ]:
> > > On 12-02-29 at 01:41pm, Kiwamu Okabe wrote:
> > > > Lualatex has error.
> > > > 
> > > > $ cat hoge.md
> > > > # Title
> > > > Hi!
> > > > 
> > > > * Item1
> > > > * Item2
> > > > $ /usr/bin/pandoc hoge.md --latex-engine=pdflatex -f markdown -o hoge.pdf
> > > > $ /usr/bin/pandoc hoge.md --latex-engine=xelatex -f markdown -o hoge.pdf
> > > > $ /usr/bin/pandoc hoge.md --latex-engine=lualatex -f markdown -o hoge.pdf
> > > > pandoc: Error producing PDF from TeX source.
> > > > !
> > > >  ********************************************
> > > >  * XeTeX is required to compile this document.
> > > >  * Sorry!
> > > >  ********************************************.
> > > > \RequireXeTeX ...********************************}
> > > >                                                   \endgroup \fi
> > > > l.18 \RequireXeTeX
> > > > 
> > > > But I can't the reason of the TeX error....
> > > 
> > > Hmm, yes - looks odd (and contrary to upstream documentation!) that 
> > > LuaTeX should require XeTeX (and even parts of XeTeX that XeLaTeX 
> > > does not need itself).
> > > 
> > > @John: Could you help here, how to proceed debugging?
> > 
> > I don't get the error on my system, but I do have xetex installed.
> > First step in debugging would be
> > 
> > /usr/bin/pandoc hoge.md -s -t latex -o hoge.tex
> > 
> > then run lualatex directly
> > 
> > lualatex hoge.tex
> > 
> > and inspect the log for further messages.
> > 
> > The error message seems to be coming from the ifxetex.sty package,
> > which defines \RequireXeTeX.  I ran lualatex on hoge.tex and inspected
> > the list of packages it opened, then grepped through all of them for
> > \RequireXeTeX.  The only hit was in ifxetex.sty.  So that is no help.
> > 
> > It is possible that the issue you're seeing is cleared up in TeXLive
> > 2011, or maybe in the transition from pandoc 1.9.1.1 to 1.9.1.2.
> > Sorry I can't be more help at the moment.
> 
> Seems you are right, John - apparently fontspec supports LuaTeX only 
> since TeXLive 2010: 
> latex-alive.tumblr.com/post/643148677/fontspec-for-luatex
> 
> Anyone have a suggestion how to improve the TeX template to require 
> fontspec 2.0 when used with LuaTex, and else do some sort of fallback?

Why is debian so far behind on TeXLive?  That seems the obvious place
to improve matters.