Am Freitag, den 29.04.2011, 18:13 -0400 schrieb Aditya Mahajan:
> On Fri, 29 Apr 2011, Paul Menzel wrote:

> > the filter module installed using
> >
> > 	$ ./first-setup.sh --extras="t-filter"
> >
> > does not work with the following example, which is also attached.
> >
> >        \usemodule[filter]
> >        \defineexternalfilter[rest][filtercommand={pandoc -f rst -t context -o \externalfilteroutputfile\space \externalfilterinputfile}]
> >        \starttext
> >        There should be a table here.
> >        \startrest
> >        =========	=========
> >          test            table
> >        =========	=========
> >        α                 b
> >        c                 d
> >        ========	========
> >        \stoprest
> >        \stoptext
> >
> > The output file `minimal-temp-rest.tex` is just empty.
> >
> > Replacing »α« by »a« solves the problem.
> 
> Weird.
> 
> > Running `filtercommand` in a terminal produces the *correct* output
> > though and no empty file.
> >
> > Is that a known problem?
> 
> No. The content of the file should not affect whether the filter is run or 
> not. Can you add \traceexternalfilters on the top and check the output 
> (look for lines starting with t-filter).

You already added it in your commit of the test file.

        […]
        resolvers       > modules > loaded: 'filter'
        (t-filter.tex
        loading         > ConTeXt User Module / Filter
        resolvers       > modules > loaded: 'module-catcodes'
        (t-module-catcodes.tex
        loading         > ConTeXt User Module / Module Catcodes
        )) (/opt/context/tex/texmf-context/tex/context/base/type-siz.mkiv) (/opt/context/tex/texmf-context/tex/context/base/type-otf.mkiv){/opt/context/tex/texmf-context/fonts/map/pdftex/context/mkiv-tx.map}{/opt/context/tex/texmf/fonts/map/dvips/lm/lm-math.map}{/opt/context/tex/texmf/fonts/map/dvips/lm/lm-rm.map}{/opt/context/tex/texmf-context/fonts/map/pdftex/context/mkiv-base.map}
        fonts           > virtual math > the mapping is incomplete for 'txmath' at 7pt
        system          > begin file tests/rest at line 11
        t-filter        > current filter : rest
        t-filter        > base file : rest-temp-rest
        t-filter        > input file : rest-temp-rest.tmp
        t-filter        > output file : rest-temp-rest.tex
        t-filter        > command : pandoc -f rst -t context -o rest-temp-rest.tex rest-temp-rest.tmp
        (rest-temp-rest.tex)
        backend         > xmp > using file '/opt/context/tex/texmf-context/tex/context/base/lpdf-pdx.xml'
        pages           > flushing realpage 1, userpage 1, subpage 1
        system          > end file tests/rest at line 21
         )</opt/context/tex/texmf/fonts/opentype/public/tex-gyre/texgyretermes-regular.otf>
        […]
        $ more rest-temp-rest.t*
        ::::::::::::::
        rest-temp-rest.tex
        ::::::::::::::
        ::::::::::::::
        rest-temp-rest.tmp
        ::::::::::::::
        =========       =========
          test            table
        =========       =========
        α                 b
        c                 d
        ========        ========

Please find `rest.log` attached.

> > I also include a patch adding this example into `tests/` in [1].
> 
> Thanks. I added it to the test suite.

You can save the mbox file and use `git am path/to/mbox` next time.

> The file works correctly on my machine.

That is weired.

> Which version of pandoc are you using?

        $ pandoc --version
        pandoc 1.5.1.1
        Compiled with syntax highlighting support for:
        Ada, Alert, Asp, Awk, Bash, Bibtex, C, Cmake, Coldfusion, Commonlisp, Cpp, Css,
        D, Djangotemplate, Doxygen, Dtd, Eiffel, Erlang, Fortran, Haskell, Html, Java,
        Javadoc, Javascript, Json, Latex, Lex, LiterateHaskell, Lua, Makefile, Matlab,
        Mediawiki, Modula3, Nasm, Objectivec, Ocaml, Octave, Pascal, Perl, Php,
        Postscript, Prolog, Python, Relaxngcompact, Rhtml, Ruby, Scala, Scheme, Sgml,
        Sql, SqlMysql, SqlPostgresql, Tcl, Texinfo, Xml, Xslt, Yacc
        Copyright (C) 2006-2010 John MacFarlane
        Web:  http://johnmacfarlane.net/pandoc
        This is free software; see the source for copying conditions.  There is no
        warranty, not even for merchantability or fitness for a particular purpose.

As already written in my last mail. Executing the command directly works
fine.

        $ pandoc -f rst -t context -o rest-temp-rest.tex rest-temp-rest.tmp
        $ more rest-temp-rest.t*::::::::::::::
        rest-temp-rest.tex
        ::::::::::::::
        \placetable[here]{none}
        \starttable[|l|l|]
        \HL
        \NC test
        \NC table
        \NC\AR
        \HL
        \NC α
        \NC b
        \NC\AR
        \NC c
        \NC d
        \NC\AR
        \HL
        \stoptable
        ::::::::::::::
        rest-temp-rest.tmp
        ::::::::::::::
        =========       =========
          test            table
        =========       =========
        α                 b
        c                 d
        ========        ========

> Does the error also occur if you use the dev branch from github?

Yes.

>    $git checkout dev
>    $context tests/rest

For the Git newbies. If you do this the first time, you need to do

        $ git checkout -b dev origin/dev

beforehand.


Thanks,

Paul