Lo stile -xidx lo si ottiene con una compilazione di latex su non mi ricordo cosa che è fornito nel pacchetto. Ci sono diventato matto ma alla fine è questo qua:
`%%
%% This is file `bibleref-xidx.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% bibleref.dtx (with options: `bibleref-xidx.sty,package')
%%
%% bibleref.dtx
%% Copyright 2011 Nicola Talbot
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3
%% of this license of (at your option) any later version.
%% The latest version of this license is in
%% http://www.latex-project.org/lppl.txt
%% and version 1.3 or later is part of all distributions of LaTeX
%% version 2005/12/01 or later.
%%
%% This work has the LPPL maintenance status `maintained'.
%%
%% The Current Maintainer of this work is Nicola Talbot.
%%
%% This work consists of the files bibleref.dtx and bibleref.ins and the derived files bibleref-xidx.sty, bibleref.sty, sample-categories.tex, sample-multind.tex, sample-xidx.tex, sample.tex, sample.ist, bibleref.perl.
%%
%% \CharacterTable
%% {Upper-case \A\B\C\D\E\F\G\H\I\J\K\L\M\N\O\P\Q\R\S\T\U\V\W\X\Y\Z
%% Lower-case \a\b\c\d\e\f\g\h\i\j\k\l\m\n\o\p\q\r\s\t\u\v\w\x\y\z
%% Digits \0\1\2\3\4\5\6\7\8\9
%% Exclamation \! Double quote \” Hash (number) \#
%% Dollar \$ Percent \% Ampersand \&
%% Acute accent \' Left paren \( Right paren \)
%% Asterisk \* Plus \+ Comma \,
%% Minus \- Point \. Solidus \/
%% Colon \: Semicolon \; Less than \<
%% Equals \= Greater than \> Question mark \?
%% Commercial at \@ Left bracket \[ Backslash \\
%% Right bracket \] Circumflex \^ Underscore \_
%% Grave accent \` Left brace \{ Vertical bar \|
%% Right brace \} Tilde \~}
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{bibleref-xidx}[2011/01/19 v1.0 (NLCT) Extended indexing support for bibleref]
\newif\if@br@indexchapters
\@br@indexchapterstrue
\newif\if@br@indexverses
\@br@indexversestrue
\DeclareOption{verses}{\@br@indexchapterstrue\@br@indexversestrue}
\DeclareOption{noverses}{\@br@indexversesfalse}
\DeclareOption{chapters}{\@br@indexchaptersfalse}
\DeclareOption{nochapters}{\@br@indexchaptersfalse\@br@indexversesfalse}
\DeclareOption*{\PassOptionsToPackage{\CurrentOption}{bibleref}}
\ProcessOptions
\RequirePackage{bibleref}
\def\@bibleverse(#1:{%
\def\@bv@chidxsort{}%
\def\@bv@chidxentry{}%
\@br@chsty{#1}%
\@@bibleverse
}
\def\@bibleverser-(#1:{%
\def\@bv@chidxsort{}%
\def\@bv@chidxentry{}%
\@br@chsty{#1}%
\@@bibleverse
}
\def\@@bibleverse#1){%
\def\@bv@tmp{#1}%
\ifx\@bv@tmp\@empty
\@bvx@dochindex
\else
\BRchvsep
\@br@vrsty{#1}%
\fi
\new@ifnextchar(%
{\BRchsep\@bibleverse}%
{\new@ifnextchar-%
{\protect\BRvrsep\@bibleverser}%
{\@end@@bibleverse}%
}%
}
\newcommand*{\@brx@dochsep}{%
\@bvx@chdo{\protect\BRvsep}%
}
\renewcommand*{\@br@chsty}[1]{%
\let\@brx@chsep\@empty
\@for\@brx@thisch:=#1\do{%
\@bvx@dochindex
\@brx@chsep
\expandafter\@@br@chsty\@brx@thisch-\@nil\end
\let\@brx@chsep\@brx@dochsep
}%
}
\newcommand*{\@brx@dovssep}{%
\@bvx@vsdo{\protect\BRvsep}%
}
\renewcommand*{\@br@vrsty}[1]{%
\let\@brx@vssep\@empty
\@for\@brx@thisvs:=#1\do{%
\def\@bv@vsidxentry{}%
\def\@bv@vsidxsort{}%
\@brx@vssep
\expandafter\@@br@vrsty\@brx@thisvs-\@nil\end
\let\@brx@vssep\@brx@dovssep
\@bvx@dovsindex
}%
}
\def\@@br@vrsty#1-#2\end{%
\ifx\@nil#2\relax
\@do@verse{#1}%
\else
\@do@verserange{#1}#2%
\fi
}
\renewcommand{\@do@verse}[1]{%
\@nodo@verse{#1}%
\expandafter\@bvx@vsdo\expandafter{\@br@tmp}%
\@bv@addtovsidxsort{-000}%
}
\def\@@br@chsty#1-#2\end{%
\ifx\@nil#2\relax
\@do@chapter{#1}%
\else
\@do@chapterrange{#1}#2%
\fi
}
\newcommand{\@do@chapter}[1]{%
\@nodo@chapter{#1}%
\@bvx@chdo{\protect\BRchapterstyle{#1}}%
\@bv@addtochidxsort{-000}%
}
\renewcommand*{\@nodo@chapter}[1]{%
\ifnum0#1<10\relax
\@bv@setchidxsort{00#1}%
\else
\ifnum0#1<100\relax
\@bv@setchidxsort{0#1}%
\else
\@bv@setchidxsort{#1}%
\fi
\fi
}
\def\@do@chapterrange#1#2-\@nil{%
\@nodo@chapter{#1}%
\@bvx@chdo{\protect\BRchapterstyle{#1}}%
\@bv@addtochidxsort{-}%
\@bvx@chadddo{\protect\BRvrsep}%
\@nodo@chapter{#2}%
\@bvx@chadddo{\protect\BRchapterstyle{#2}}%
}
\renewcommand*{\@nodo@verse}[1]{%
\br@stripverse{#1}%
\ifnum\@br@versenum<10\relax
\@bv@addtovsidxsort{00#1}%
\else
\ifnum\@br@versenum<100\relax
\@bv@addtovsidxsort{0#1}%
\else
\@bv@addtovsidxsort{#1}%
\fi
\fi
\ifx\@br@versesuffix\@empty
\protected@edef\@br@tmp{%
\protect\BRversestyle{\@br@versenum}%
}%
\else
\protected@edef\@br@tmp{%
\protect\BRversestyle{\@br@versenum}%
\protect\BRversesuffixstyle{\@br@versesuffix}%
}%
\fi
}
\def\@do@verserange#1#2-\@nil{%
\@nodo@verse{#1}%
\expandafter\@bvx@vsdo\expandafter{\@br@tmp}%
\@bv@addtovsidxsort{-}%
\@bvx@vsadddo{\protect\BRvrsep}%
\@nodo@verse{#2}%
\expandafter\@bvx@vsadddo\expandafter{\@br@tmp}%
}
\newcommand*{\@bv@setvsidxsort}[1]{%
\if@bv@idx
\protected@edef\@bv@vsidxsort{#1}%
\fi
}
\newcommand*{\@bv@addtovsidxsort}[1]{%
\if@bv@idx
\@bv@tmpa={#1}%
\@bv@tmpb=\expandafter{\@bv@vsidxsort}%
\protected@edef\@bv@vsidxsort{\the\@bv@tmpb\the\@bv@tmpa}%
\fi
}
\newcommand*{\@bv@setvsidx}[1]{%
\if@bv@idx
\def\@bv@vsidxentry{#1}%
\fi
}
\newcommand*{\@bv@addtovsidx}[1]{%
\if@bv@idx
\@bv@tmpa={#1}%
\@bv@tmpb=\expandafter{\@bv@vsidxentry}%
\protected@edef\@bv@vsidxentry{\the\@bv@tmpb\the\@bv@tmpa}%
\fi
}
\newcommand*{\@bv@setchidx}[1]{%
\if@bv@idx
\def\@bv@chidxentry{#1}%
\fi
}
\newcommand*{\@bv@addtochidx}[1]{%
\if@bv@idx
\@bv@tmpa={#1}%
\@bv@tmpb=\expandafter{\@bv@chidxentry}%
\protected@edef\@bv@chidxentry{\the\@bv@tmpb\the\@bv@tmpa}%
\fi
}
\newcommand*{\@bv@setchidxsort}[1]{%
\if@bv@idx
\protected@edef\@bv@chidxsort{#1}%
\fi
}
\newcommand*{\@bvx@chdo}[1]{#1\@bv@setchidx{#1}}
\newcommand*{\@bvx@vsdo}[1]{#1\@bv@setvsidx{#1}}
\newcommand*{\@bvx@chadddo}[1]{#1\@bv@addtochidx{#1}}
\newcommand*{\@bvx@vsadddo}[1]{#1\@bv@addtovsidx{#1}}
\let\@bv@org@bible@verse\@bible@verse
\renewcommand*{\@bible@verse}{%
\def\@bv@chidxentry{}%
\@bv@org@bible@verse
}
\renewcommand*{\@end@@bibleverse}{%
\ifx\@bv@chidxentry\@empty
\@bvx@dobkindex
\else
\if@br@indexchapters
\else
\@bvx@dobkindex
\fi
\fi
\@bv@idxfalse
\@bv@restore
}
\newcommand*{\@bvx@dochindex}{%
\if@br@indexchapters
\ifx\@bv@chidxentry\@empty
\else
\if@bv@idx
\expandafter\@do@bibleref@map\@@bv@idxsort\relax
\@do@biblerefindex
{\@@bv@idxsort\relax @\@bv@mainidxentry
!\@bv@chidxsort @\@bv@chidxentry
|\@bv@idxpgformat}%
\fi
\fi
\fi
}
\newcommand*{\@bvx@dovsindex}{%
\if@br@indexverses
\ifx\@bv@vsidxentry\@empty
\else
\if@bv@idx
\expandafter\@do@bibleref@map\@@bv@idxsort\relax
\@do@biblerefindex
{\@@bv@idxsort\relax @\@bv@mainidxentry
!\@bv@chidxsort @\@bv@chidxentry
!\@bv@vsidxsort @\@bv@vsidxentry
|\@bv@idxpgformat}%
\fi
\fi
\else
\@bvx@dochindex
\fi
}
\newcommand*{\@bvx@dobkindex}{%
\if@bv@idx
\expandafter\@do@bibleref@map\@@bv@idxsort\relax
\@do@biblerefindex
{\@@bv@idxsort\relax @\@bv@mainidxentry|\@bv@idxpgformat}%
\fi
}
\endinput
%%
%% End of file `bibleref-xidx.sty'.
`
Adesso provo a fare come dici e vedo come viene. Non so se nel mentre vuoi dare un’occhio a questo .sty, perché stando alla documentazione è ciò che dovrei usare per avere un multiindice con il sorting corretto, se non ho capito male.
Vediamo, grazie nel frattempo