{ in input file names

[Nikolai Weibull <context-list@pcppopper.org>]

Hi.
Another one of my sort of weird questions.  I have a file with { in it's
file name and context doesn't seem to enjoy it much:

% mkdir {test}
% cd {test}
% mkdir output
% touch a.tex && ed a.tex
0
0a
\starttext
Hello
\stoptext
.
wq
27
% texexec --runpath=output a.tex

 TeXExec 4.3 - ConTeXt / PRAGMA ADE 1997-2004

      changing to path : output
            executable : pdfetex
                format : cont-en
           source path : /home/pcp/scratch/cont-test/{test}
            dummy file : a.run
             inputfile : a
                output : standard
             interface : en
          current mode : none
               TeX run : 1

This is pdfeTeX, Version 3.14159-1.10b-2.1 (Web2C 7.4.5)
 \write18 enabled.
 (/usr/share/texmf/web2c/natural.tcx)
entering extended mode
(./a.run{/usr/share/texmf/pdftex/config/pdftex.cfg}

ConTeXt  ver: 2004.6.16  fmt: 2004.6.18  int: english  mes: english

language       : language en is active
<protectionstate 0>
system         : cont-new loaded
(/usr/share/texmf/tex/context/base/cont-new.tex
systems        : beware: some patches loaded from cont-new.tex!
color          : palette rollover is available
system (E-TEX) : [line 578]
system (E-TEX) : [line 633]
)
system         : cont-old loaded
(/usr/share/texmf/tex/context/base/cont-old.tex
loading        : Context Old Macros
)
system         : cont-fil loaded
(/usr/share/texmf/tex/context/base/cont-fil.tex
loading        : Context File Synonyms
)
bodyfont       : 12pt rm is loaded
language       : patterns 2:2-en-2 3:2-uk-2 4:2-de-2 5:2-fr-2 6:2-es-2 7:2-it-2
 8:2-nl-2 loaded
specials       : tex,postscript,rokicki loaded
system         : a.top loaded
(./a.top
! You can't use `macro parameter character #' in horizontal mode.
\p!doifinstringelse ...tringelse \@EA ##\@EA 1#1##
                                                  2##3\war {\unless \if ##2@...

\rawdodoifinsetelse ...ingelse \@@@instring {,#1,}
                                                  \@EA \firstoftwoarguments ...

\addtocommalist #1#2->\rawdoifinsetelse {#1}#2
                                              \resetglobal {\dodoglobal \ede...

\next1 #1,->\docommando {#1}
                            \doprocesscommaitem
\doprocesscommalist ...item \gobbleoneargument #1,
                                                  ]\relax \global \advance \...
l.3 \usepath[/home/pcp/scratch/cont-test/{test}]

?

Is this an impossibility in TeX?
	nikolai

--
::: name: Nikolai Weibull    :: aliases: pcp / lone-star / aka :::
::: born: Chicago, IL USA    :: loc atm: Gothenburg, Sweden    :::
::: page: www.pcppopper.org  :: fun atm: gf,lps,ruby,lisp,war3 :::
main(){printf(&linux["\021%six\012\0"],(linux)["have"]+"fun"-97);}