From owner-freebsd-ports  Tue Apr  2  6: 8:37 2002
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From: "Camille Zavala" <litperl@hotmail.com>
To: tg@FreeBSD.org
Cc: ports@FreeBSD.org
Subject: bug in noweb 2.9a port under 4.5-stable
Date: Tue, 02 Apr 2002 06:08:12 -0800
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Synopsis:
The %def directive hurts LaTeX if an identifier starts with `$'

Environment:
OS = FreeBSD 4.5-stable
Port = noweb (/usr/ports/devel/noweb, 2.9a)

To Repeat:
% portupgrade noweb
% portupgrade tetex
% wget http://www.desinger.com/try/noweb/noweb-2.9a-bug.nw
% noweb noweb-2.9a-bug.nw
% pdflatex noweb-2.9a-bug.tex

The crucial part is that the noweb file has a line:

    @ %def $variable

The identifier on the %def line begins with a dollar sign, like Perl 
variables will tend to do.

Expected:
pdflatex should complete without errors, like it does on Windows (ack! 
phft!) using noweb 2.10a + Cygwin with MiKTeX.

What actually happens:
pdflatex gets all choked up.  Sorry about these bum line breaks, but here's 
sample output from "@ %defs $os":

! Undefined control sequence.
\OT1\textdollar ->\hmode@bgroup
                                \ifdim \fontdimen \@ne \font >\z@ \slshape 
\...
l.39 ...identdefs{\\{{\nwixident{{\$}os}}{:doos}}}
                                                  
\nwendcode{}\nwbegindocs{2...

Files are available at:
http://www.desinger.com/try/noweb/

Let me know if you need more info.

/cdz


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