[OS X TeX] arabic numbering with hebrew in babel
Art Werschulz
agw at comcast.net
Mon Jun 8 17:51:42 EDT 2015
Hi.
I’m in the process of (co-)writing a textbook. Said book will have a solutions manual, and so I’m using the answers package. Chapters having exercises in the book begin with \chapterwithexercises, rather than \chapter. This new control sequence is defined via
\usepackage{answers}
\Newassociation{soln}{solution}{answers}
\newcounter{chapterans}
\newcommand\chapterwithexercises[1]{
\chapter{#1}
\setcounter{chapterans}{\value{chapter}}
\addtocounter{chapterans}{-1}
\Writetofile{answers}{}
\Writetofile{answers}{\protect\setcounter{chapter}{\arabic{chapterans}}}
\Writetofile{answers}{\protect\chapter{#1}}
}
THe resulting file answers.tex has
\setcounter{chapter}{0}
\chapter{Sets}
\begin{solution}{1.6.1}
(a), (b), (d), (f) and~(h) are true.
Note that (c) is false because the set $T$ is not contained in
itself; (e) is false because there is no element in $T$ that is
the set containing the elements $3,5, \text{and}~44$; (g) is
false for a similar reason to (e) and (i) is false because $T =
T$ and therefore cannot be a proper subset of itself.
\end{solution}
and suchlike.
This works fine, until I bring babel into the picture. We’re going to have a few lines of Irish Gaelic and Hebrew in the book’s dedication.
The file answers.tex now has material such as
\setcounter{chapter}{\@@number{1}}
\chapter{Sets}
\begin{solution}{\protect \beginL \protect \beginL 2\endL .\protect \beginL 6\endL \endL .\protect \beginL 1\endL }
(a), (b), (d), (f) and~(h) are true.
Note that (c) is false because the set $T$ is not contained in
itself; (e) is false because there is no element in $T$ that is
the set containing the elements $3,5, \text{and}~44$; (g) is
false for a similar reason to (e) and (i) is false because $T =
T$ and therefore cannot be a proper subset of itself.
\end{solution}
When I run this through pdflatex, I get the following
! Improper \spacefactor.
<recently read> \spacefactor
l.37 \setcounter{chapter}{\@@number{1}}
?
! Package calc Error: `\@m ' invalid at this point.
See the calc package documentation for explanation.
Type H <return> for immediate help.
...
l.37 \setcounter{chapter}{\@@number{1}}
?
[3]
Chapter 1.
! Improper \beginL.
<argument> Exercise \protect \beginL
\protect \beginL 2\endL .\protect \begi...
l.39 ...nL 6\endL \endL .\protect \beginL 1\endL }
?
after which I give up.
Suggestions on how to fix this? Thanks!
Art Werschulz
agw at comcast.net
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