[XeTeX] XeTeX, Persian, Page Numbers, Footnote Numbers

[Ali Majdzadeh]

Hello Bruno
Thanks a lot. I am going to give it a try.

Regards
Ali

2007/11/28, Bruno Voisin <bvoisin at mac.com>:
>
> Le 28 nov. 07 à 01:29, mjslouber at berkeley.edu a écrit :
>
> >> Date: Tue, 27 Nov 2007 07:37:38 -0800 (PST)
> >> From: Apostolos Syropoulos
> >>
> >>> Is it possible to produce page numbers in Persian? The same
> >>> question exists about >footnote numbers, endnote numbers and heading
> >>> numbers.
> >>
> >> Of course it is. But either you have modify the standard commads or
> >> you have to introduce some new commands to take care of this.
> >>
> >
> > I am also interested in using non-arabic numbering in my XeTeX/LEDMAC
> > edition, and I am afraid A.S.'s answer is not very helpful.  Is it too
> > complicated to explain to a beginner how to change these numbering
> > commands?
>
> IIRC LaTeX knows only about arabic and roman numbers, and also about
> numbering using the roman alphabet and using "old-fashioned" non-
> alphanumeric characters (for footnotes) like *, §, ¶, †, ‡, ǁ
> and the like.
>
> LaTeX sets up the way counters appear in output by making definitions
> (for example in article.cls) equivalent to
>
> \renewcommand{\thesection} {\arabic{section}}  % for sections
> \renewcommand{\thepart}    {\Roman{part}}  % for parts
> \renewcommand{\thefootnote}{\fnsymbol{footnote}}  % for footnotes
> \renewcommand{\theenumii}  {\alph{enumii}}  % for second-order
> numbered lists
>
> where section is the section counter and \thesection the way this
> counter is displayed, and so forth.
>
> But then the hard work of defining the commands \arabic, \roman and so
> forth is done in latex.ltx, with code equivalent to:
>
> \newcommand{\arabic}[1]{\expandafter\@arabic\csname c@#1\endcsname}
> \newcommand{\roman}[1]{\expandafter\@roman\csname c@#1\endcsname}
> \newcommand{\Roman}[1]{\expandafter\@Roman\csname c@#1\endcsname}
> \newcommand{\alph}[1]{\expandafter\@alph\csname c@#1\endcsname}
> \newcommand{\Alph}[1]{\expandafter\@Alph\csname c@#1\endcsname}
> \newcommand{\fnsymbol}[1]{\expandafter\@fnsymbol\csname c@#1\endcsname}
>
> \newcommand{\@arabic}[1]{\number #1}
> \newcommand{\@roman}[1]{\romannumeral #1}
> \newcommand{\@Roman}[1]{\expandafter\@slowromancap\romannumeral #1@}
> \newcommand{\@slowromancap}[1]{\ifx @#1% then terminate
>       \else
>         \if i#1I\else\if v#1V\else\if x#1X\else\if l#1L\else\if
>         c#1C\else\if d#1D\else \if m#1M\else#1\fi\fi\fi\fi\fi\fi\fi
>         \expandafter\@slowromancap
>       \fi}
> \newcommand{\@alph}[1]{%
>    \ifcase#1\or a\or b\or c\or d\or e\or f\or g\or h\or i\or j\or
>     k\or l\or m\or n\or o\or p\or q\or r\or s\or t\or u\or v\or w\or x
> \or
>      y\or z\else\@ctrerr\fi}
> \newcommand{\@Alph}[1]{%
>    \ifcase#1\or A\or B\or C\or D\or E\or F\or G\or H\or I\or J\or
>     K\or L\or M\or N\or O\or P\or Q\or R\or S\or T\or U\or V\or W\or X
> \or
>      Y\or Z\else\@ctrerr\fi}
> \newcommand{\@fnsymbol}[1]{\ensuremath{\ifcase#1\or *\or \dagger\or
> \ddagger\or
>     \mathsection\or \mathparagraph\or \|\or **\or \dagger\dagger
>     \or \ddagger\ddagger \else\@ctrerr\fi}}
>
> where \number and \romannumeral are TeX primitives (i.e., commands
> implemented in the core TeX engine itself).
>
> I don't have time to try to explain these definitions in detail, I
> hope they're more-or-less self-explanatory.
>
> I can't say much more not knowing anything about Persian numbers. From
> the answer given by Mojca Miklavec and using ConTeXt, it seems Persian
> numbers have the same structure as so-called "arabic" numbers (i.e.
> base-10, right-to-left ordering of successive powers of 10). So if
> that's indeed correct, and if the font BCompset does indeed provide
> Persian numbers at the slots normally reserved for arabic numbers,
> then I guess the following could do the job, in the preamble of your
> LaTeX file:
>
> \usepackage{fontpec}
> \newfontfamily\persianfont{BCompset}
> \makeatletter
> \newcommand{\persian}[1]{\expandafter\@persian\csname c@#1\endcsname}
> \newcommand{\@persian}[1]{\bgroup\persianfont\number #1\egroup}
> \makeatother
> \renewcommand{\thefootnote}{\persian{footnote}}
>
> Three more things:
>
> - The above is untested, incomplete (it's not dealing with page
> numbers which are more complicated) and probably won't work as is. I
> hope it could provide a starting point for others to come up with
> something usable.
>
> - It's likely that there's a LaTeX package out there somewhere
> allowing this to be done transparently. But I'm lost personally in the
> jungle of innumerable and largely redundant LaTeX packages. Have you
> looked at the LaTeX Companion 2nd edition?
>
> - Apart from the Persian font thing, it's more a generic LaTeX
> question than a XeTeX-specific one. Accordingly, you could get luckier
> by asking it at a generic LaTeX forum like comp.text.tex.
>
> In any case, you see that changing numbering in LaTeX is not
> straightforward at all, and yes, it's complicated to explain to a
> beginner how to change it.
>
> Hope this helps though,
>
> Bruno Voisin
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