crossreference

git-svn-id: svn://tug.org/texlive/trunk@796 c570f23f-e606-0410-a88d-b1316a301751

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+%%
+%% This is file `crossreference.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% crossreference.dtx  (with options: `crossreference')
+%% 
+%% Crossreferencing for technical documents.
+%% 
+%% Copyright 2001  Vincent Filby (vfilby@acm.org), all rights reserved.
+%% 
+%% This program may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.2
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.2 or later is part of all distributions of LaTeX
+%% version 1999/12/01 or later.
+%% 
+%% This program consists of the files; crossreference.dtx, crossreference.ins
+%% and README.
+%% 
+\def\fileversion{1.0}
+\def\filedate{2001/05/19}
+\def\docdate{2001/05/19}
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{crossreference}[\filedate\space\fileversion\space
+Crossreferencing for technical documents (V. Filby)]
+\newcounter{xref}
+\newcommand\crossreferences{%
+\if@twocolumn
+\@restonecoltrue\onecolumn
+\else
+\@restonecolfalse
+\fi
+\@starttoc{xref}
+\if@restonecol\twocolumn\fi
+}
+\newcommand{\addxref}[1]{%
+\protected@write{\@auxout}{}{\protect\@writefile{xref}{
+\string\contentsline{figure}{\string\numberline {\thexref}{\string\ignorespaces{#1}}}{\@currentlabel}
+}}
+\xreflabel{#1}
+\stepcounter{xref}
+}
+\newcommand{\xref}[1]{~[REF \pageref{#1}]}
+\def\G@refundefinedtrue{%
+  \gdef\@refundefined{%
+    \@latex@warning@no@line{There were undefined references}}}
+\let\@refundefined\relax
+
+\def\@setref#1#2#3{%
+  \ifx#1\relax
+   \protect\G@refundefinedtrue
+   \nfss@text{\reset@font\bfseries ??}%
+   \@latex@warning{Reference `#3' on page \thepage \space
+             undefined}%
+  \else
+   \expandafter#2#1\null
+  \fi}
+
+\def\ref#1{\expandafter\@setref\csname r@#1\endcsname\@firstoftwo{#1}}
+
+\def\pageref#1{\expandafter\@setref\csname r@#1\endcsname
+                                   \@secondoftwo{#1}}
+\def\@newl@bel#1#2#3{%
+  \@ifundefined{#1@#2}%
+    \relax
+    {\gdef \@multiplelabels {%
+       \@latex@warning@no@line{There were multiply-defined labels}}%
+     \@latex@warning@no@line{Label `#2' multiply defined}}%
+  \global\@namedef{#1@#2}{#3}}
+
+\def\newlabel{\@newl@bel r}
+\@onlypreamble\@newl@bel
+
+\let \@multiplelabels \relax
+
+\def\xreflabel#1{\@bsphack
+  \protected@write\@auxout{}%
+         {\string\newlabel{#1}{{#1}{\thexref}}}%
+  \@esphack}
+
+\def\refstepcounter#1{\stepcounter{#1}%
+    \protected@edef\@currentlabel
+       {\csname p@#1\endcsname\csname the#1\endcsname}%
+}
+
+\def\@currentlabel{}
+\endinput
+%%
+%% End of file `crossreference.sty'.