From 54cfbffe63a3055a3a42d556f8de243ada39b588 Mon Sep 17 00:00:00 2001
From: Karl Berry <karl@freefriends.org>
Date: Tue, 30 Dec 2014 17:17:01 +0000
Subject: xprintlen (27dec14)

git-svn-id: svn://tug.org/texlive/trunk@35928 c570f23f-e606-0410-a88d-b1316a301751
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+%%
+%% This is file `xprintlen.tex',
+%% part of the package xprintlen.
+%%
+%% Copyright (C) 2014 by Liam Huang <liamhuang0205+xprintlen@gmail.com>
+%% --------------------------------------------------------------------------
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% 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 1.3 or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%%
+%!TEX option = -shell-escape
+%!TEX builder = latexmk
+\documentclass{article}
+\title{\bfseries The \textsf{xprintlen} package\thanks{This manual corresponds to \textsf{xprintlen.sty} v1.0, dated 2014/12/25}{\hspace{6pt}}\thanks{This work is released under the LaTeX Project Public
+License (\url{http://www.latex-project.org/lppl.txt}), v1.3c or later.}}
+\author{Liam Huang\thanks{\url{http://liam0205.me/}, \href{mailto:liamhuang0205+xprintlen@gmail.com}{liamhuang0205+xprintlen@gmail.com}}}
+\date{2014/12/25}
+\usepackage{mathpazo}
+\usepackage{minted}
+\usepackage{graphicx}
+\usepackage{hyperref}
+\hypersetup{hidelinks}
+\usepackage{geometry}
+\geometry{letterpaper, top = 1in, bottom = 1in}
+
+\begin{document}
+\maketitle
+
+\section{Requirements}
+
+\textsf{xprintlen} requires the package \textsf{fp} to be available and reasonably up to date on your system.
+
+\section{Installation}
+
+Put the \textsf{.sty} file into the folder \texttt{TEXMF/tex/latex/xprintlen}, and put other files into another folder \texttt{TEXMF/doc/latex/xprintlen}. Run \texttt{texhash} to refresh the file name data base.
+
+\section{Usage}
+
+This package defines a command, \verb|\printlen|, to print lengths in a variety of units. It supports all the units that \TeX{} supports, and its calculation depends on the package \textsf{fp}.
+
+\verb|\printlen| recieves three parameters, while the first two parameters are the optionals. The first (optional) parameter sets the length of significant digits, whose default value is $ 2 $, stored in the marco \verb|\defaultsignificant|. The second (optional) parameter sets the unit to be print, and the default value of it is \texttt{mm}, stored in the marco \verb|\defaultunit|. The third parameter of the command, also the only mandatory parameter, is the length that will be calculated.
+
+You can redefine the two marcos to revise the default length of significant digits and/or the default unit.
+
+\section{Example}
+
+\noindent\begin{minipage}[b]{0.55\linewidth}
+The following lines will produce:
+
+\begin{minted}{latex}
+\documentclass{article}
+\usepackage{xprintlen}
+\newlength{\testlen}
+\setlength{\testlen}{3.1415926cm}
+\begin{document}
+\obeylines
+\printlen{\testlen}
+\printlen[5]{\testlen}
+\printlen[5][pt]{\testlen}
+\end{document}
+\end{minted}
+\end{minipage}%
+\begin{minipage}[b]{0.45\linewidth}
+\includegraphics[scale = 0.6]{ex01}
+\end{minipage}
+
+\section{Change log}
+
+\subsection*{Version 1.0, 2014/12/25}
+\begin{itemize}
+  \item The first public release.
+\end{itemize}
+\end{document}
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