From 007f67a693e4d031fd3d792df8e4d5f43e2cb2e7 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Mon, 9 Jan 2006 00:49:07 +0000
Subject: doc/latex

git-svn-id: svn://tug.org/texlive/trunk@84 c570f23f-e606-0410-a88d-b1316a301751
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 Master/texmf-dist/doc/latex/fancyref/freftest.tex | 206 ++++++++++++++++++++++
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 create mode 100644 Master/texmf-dist/doc/latex/fancyref/freftest.tex

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diff --git a/Master/texmf-dist/doc/latex/fancyref/freftest.tex b/Master/texmf-dist/doc/latex/fancyref/freftest.tex
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+%%
+%% This is file `freftest.tex',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% fancyref.dtx  (with options: `testfile')
+%% 
+%% LaTeX package for fancy cross-referencing.
+%% 
+%% Copyright (C) 1999  Axel Reichert
+%% See the files README and COPYING.
+%% 
+%% \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         \~}
+\documentclass[12pt,a4paper]{ltxdoc}
+\usepackage{fancyref}
+\fancyrefaddcaptions{english}{%
+  \newcommand*{\Frefthmname}{Theorem}%
+  \newcommand*{\frefthmname}{\MakeLowercase{\Frefthmname}}%
+}%
+\newcommand*{\booktitle}[1]{``#1''}
+\newcommand*{\format}[1]{\texttt{#1}}
+\newcommand*{\labelname}[1]{\texttt{#1}}
+\newcommand*{\option}[1]{\texttt{#1}}
+\newcommand*{\package}[1]{\texttt{#1}}
+\newcommand*{\person}[1]{\textsc{#1}}
+\newcommand*{\prefix}[1]{\texttt{#1}}
+\newcommand*{\stringdef}[1]{``#1''}
+\newtheorem{theorem}{Theorem}
+\begin{document}
+Let us start with a famous equation:
+\begin{equation}
+  \label{eq:pythagoras}
+  a^2 + b^2 = c^2
+\end{equation}
+\Fref{eq:pythagoras} has been proven by \person{Pythagoras}.  And this
+cross-reference was made with |\Fref{eq:pythagoras}|.  Note that I
+really wrote:
+\begin{verbatim}
+   \Fref{eq:pythagoras} has ...
+\end{verbatim}
+I did not use:
+\begin{verbatim}
+   Equation~(\Fref{eq:pythagoras}) has ...
+\end{verbatim}
+
+See the next page for further features of the \package{fancyref}
+package, I need this page break for demonstration purposes.
+
+\clearpage
+The cross-reference works also in the middle of a sentence:
+\person{Pythagoras} has proven \fref{eq:pythagoras}.  And this
+cross-reference was made with |\fref{eq:pythagoras}|.  You can see the
+fancy output from the \package{varioref} package.
+
+Oh, you do not like this package and want normal \cmd{\ref} output
+instead?  No problem, just redefine the default format:
+\renewcommand*{\fancyrefdefaultformat}{plain}
+\begin{verbatim}
+   \renewcommand*{\fancyrefdefaultformat}{plain}
+\end{verbatim}
+Now the cross-reference looks like this:  \Fref{eq:pythagoras}.  There
+is also a package option called \option{plain} for this purpose.
+
+Oh, you do not like \stringdef{Equation} and want \stringdef{Eq.}
+instead?  No problem, just redefine the string:
+\renewcommand*{\Frefeqname}{Eq.}
+\begin{verbatim}
+   \renewcommand*{\Frefeqname}{Eq.}
+\end{verbatim}
+\Fref{eq:pythagoras} and \fref{eq:pythagoras} will be the result,
+respectively.  Note that there is no need to redefine
+\cmd{\frefeqname} to \stringdef{eq.}.  The \package{fancyref} package
+will do this automatically for you.  But of course you can use
+\stringdef{eqn.} instead, if you really want to.
+
+Oh, you are not using the colon as a delimitor but rather the dash?  No
+problem, just redefine the character:
+\renewcommand*{\fancyrefargdelim}{-}
+\begin{verbatim}
+   \renewcommand*{\fancyrefargdelim}{-}
+\end{verbatim}
+The new test equation with label \labelname{eq-trivial} will be:
+\begin{equation}
+  \label{eq-trivial}
+  a = a
+\end{equation}
+The cross-reference |\fref{eq-trivial}| will give \fref{eq-trivial} as
+output, as expected.
+
+All that stuff may be nice, but you are using \prefix{eqn} instead of
+\prefix{eq}?  No problem, just redefine the prefix:
+\fancyrefchangeprefix{\fancyrefeqlabelprefix}{eqn}
+\begin{verbatim}
+   \fancyrefchangeprefix{\fancyrefeqlabelprefix}{eqn}
+\end{verbatim}
+We need a new, fantastic test equation with label
+\labelname{eqn-fantastic}:
+\begin{equation}
+  \label{eqn-fantastic}
+  b = b
+\end{equation}
+The cross-reference |\fref{eqn-fantastic}| will give
+\fref{eqn-fantastic} as output, as expected.
+
+Maybe the spacing between \stringdef{eq.} and ``3'' is too generous,
+let us tighten things a bit, with
+\renewcommand*{\fancyrefdefaultspacing}{\fancyreftightspacing}
+\begin{verbatim}
+   \renewcommand*{\fancyrefdefaultspacing}{%
+     \fancyreftightspacing
+   }
+\end{verbatim}
+the spacing looks like \fref{eqn-fantastic}.  If you think this is
+better, just use the \option{tight} option of this package.
+\fancyrefchangeprefix{\fancyrefeqlabelprefix}{eq}
+
+Perhaps you want parentheses around the cross-reference?  No problem,
+just redefine the appropriate hook:
+\renewcommand*{\fancyrefhook}[1]{(#1)}
+\begin{verbatim}
+   \renewcommand*{\fancyrefhook}[1]{(#1)}
+\end{verbatim}
+The result from |\fref{eq-trivial}| is \fref{eq-trivial}.  In fact
+this could have been obtained easier, as I provided an package option
+just for this purpose:
+\begin{verbatim}
+   \usepackage[paren]{fancyref}
+\end{verbatim}
+
+Now let us try something really cool.  What about introducing a new
+type of objects, e.\,g.\ theorems, with \prefix{thm} prefixed, new
+strings like \stringdef{Theorem} added and the cross-reference in huge
+italics?  Also, as you have read in that bargain textbook on
+typography (\booktitle{cAN U rEaD It} by \person{John Badmountain}),
+cross-references to theorems should be typeset as footnotes.  No
+problem:  First, we need a new prefix:
+\newcommand*{\fancyrefthmlabelprefix}{thm}
+\begin{verbatim}
+   \newcommand*{\fancyrefthmlabelprefix}{thm}
+\end{verbatim}
+Then we declare a new \package{fancyref} format called \format{foot}:
+\frefformat{foot}{\fancyrefthmlabelprefix}{%
+  \unskip\footnote{%
+    \huge\itshape\Frefthmname\fancyrefdefaultspacing#1#3%
+  }%
+}
+\Frefformat{foot}{\fancyrefthmlabelprefix}{%
+  \unskip\footnote{%
+    \huge\itshape\Frefthmname\fancyrefdefaultspacing#1#3%
+  }%
+}
+\begin{verbatim}
+   \frefformat{foot}{\fancyrefthmlabelprefix}{%
+     \unskip\footnote{%
+       \huge\itshape\Frefthmname\fancyrefdefaultspacing#1#3%
+     }%
+   }
+   \Frefformat{foot}{\fancyrefthmlabelprefix}{%
+     \unskip\footnote{%
+       \huge\itshape\Frefthmname\fancyrefdefaultspacing#1#3%
+     }%
+   }
+\end{verbatim}
+The strings have to be setup in the preamble of the document, I did
+this already, because I knew it would be necessary.  The code I used
+was:
+\begin{verbatim}
+   \fancyrefaddcaptions{english}{%
+     \newcommand*{\Frefthmname}{Theorem}%
+     \newcommand*{\frefthmname}{%
+       \MakeLowercase{\Frefthmname}%
+     }%
+   }%
+\end{verbatim}
+And finally this is the test theorem:
+\begin{theorem}[Murphy]
+  \label{thm-murphy}
+  If something \emph{can} go wrong, it \emph{will} go wrong.
+\end{theorem}
+Now let us try it.  |\Fref[foot]{thm-murphy}| comes out
+as \Fref[foot]{thm-murphy}.  Oops, the hook is still at work, I will
+just reset it to its default value:
+\renewcommand*{\fancyrefhook}[1]{#1}%
+\begin{verbatim}
+   \renewcommand*{\fancyrefhook}[1]{#1}
+\end{verbatim}
+And now?  \Fref[foot]{thm-murphy} Gotcha!
+\end{document}
+\endinput
+%%
+%% End of file `freftest.tex'.
-- 
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