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authorKarl Berry <karl@freefriends.org>2010-02-24 01:07:29 +0000
committerKarl Berry <karl@freefriends.org>2010-02-24 01:07:29 +0000
commitc4e458377ddcd72ee50f86efd022f8261069b018 (patch)
tree7857cf53de3cf5d5a90071f832cdc9c06f1bd6ca /Master/texmf-dist/doc/latex/oubraces
parentda272fd2a178269b07d9b51671f44c4c24b00cc1 (diff)
oubraces doc update, own package (23feb10)
git-svn-id: svn://tug.org/texlive/trunk@17175 c570f23f-e606-0410-a88d-b1316a301751
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+\documentclass[a4paper]{article}
+\usepackage{oubraces}
+\begin{document}
+\title{Braces over and under equations}
+\author{Donald Arseneau}
+\vspace{-\fill}
+\maketitle
+\thispagestyle{empty}
+
+The syntax is:
+\begin{verbatim}
+ \overunderbraces{upper_braces}{main_formula}{lower_braces}
+\end{verbatim}
+Suppose we want the equation:
+\[
+ \overunderbraces{&\br{2}{x}& &\br{2}{y}}%
+ {a + b +&c + d +&e + f&+&g + h&+ i + j&+ k + l + m}%
+ {& &\br{3}{z}}
+ = \pi r^2
+\]
+There are seven segments:
+\begin{verbatim}
+ x y
+ ,-----^-----. ,-----^-----.
+ a + b + c + d + e + f + g + h + i + j + k + l + m = \pi r^2
+ 11111111222222223333344455555666666667777777777...
+ `-----v-----'
+ z
+\end{verbatim}
+Insert \texttt{\&} between each segment (where the tips of the braces point)
+to type the main\_formula:
+\begin{verbatim}
+ x y
+ ,-----^-----. ,-----^-----.
+ a + b +&c + d +&e + f&+&g + h&+ i + j&+ k + l + m
+ `-----v-----'
+ z
+\end{verbatim}
+Each brace should be specified by typing
+\begin{verbatim}
+\br{number_of_segments}{label},
+\end{verbatim}
+separated by \texttt{\&} to indicate which segment to start at; use
+\texttt{\& \&} to skip a segment that has no brace. For our example
+formula, the upper and lower brace specifiers are:
+\begin{center}
+ \begin{tabular}{ll}
+ top row: \verb|&\br{2}{x}& &\br{2}{y}|
+ bottom row: \verb|& &\br{3}{z}|
+\end{tabular}
+\end{center}
+Now put them all together:
+\begin{verbatim}
+\overunderbraces{&\br{2}{x}& &\br{2}{y}}%
+ {a + b +&c + d +&e + f&+&g + h&+ i + j&+ k + l + m}%
+ {& &\br{3}{z}}
+ = \pi r^2
+\end{verbatim}
+\dots{} and we're done (that code was used to typeset the display at
+the start of this document).
+
+\enlargethispage{2\baselineskip}
+\vspace*{0.5\baselineskip}
+\small
+\noindent This documentation derived from the comments the original
+package, by Robin Fairbairns (2010-02-22)
+\end{document}