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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
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+\documentclass{article}
+\usepackage{ntabbing,float}
+\floatstyle{boxed}
+\newfloat{fig}{bt}{fig}
+\floatname{fig}{Figure}
+
+\begin{document}
+\title{The {\tt ntabbing} environment\thanks{The latest version of this file and the associated latex style can be found at
+{\tt ftp://ftp.math.tau.ac.il/pub/stupp/latex}.}}
+\author{Gideon Stupp\\ {\tt stupp@math.tau.ac.il}}
+
+\date{April 9, 2000}
+\maketitle
+\begin{abstract}
+The {\tt ntabbing} environment is an extension of the {\tt
+tabbing} environment that supports automatic line numbering. The
+lines can be referenced using the standard {\tt \string\label}
+and {\tt\string\ref} mechanism.
+\end{abstract}
+
+\section{Intorduction}
+
+\begin{fig}
+\begin{verbatim}
+ Recursion example (Function $f$, Line~\ref{rec}).
+\begin{ntabbing}
+123\=123\=\kill
+int $f$(int $i$)\\
+\>if ($i<2$) return($i$); \label{}\\
+\>return $i$*$f$($i-1$); // recurse\label{rec}\\
+\\
+\reset
+ int main()\\\
+ \>for $i$:=1 to 10\label{}\\
+ \>\>$s:=s+f(i)$;\label{}\\
+ \>return(s);\label{}\\
+\end{ntabbing}
+
+\end{verbatim}
+ Recursion example (Function $f$, Line~\ref{rec}).
+\begin{ntabbing}
+123\=123\=\kill
+int $f$(int $i$)\\
+\>if ($i<2$) return($i$); \label{}\\
+\>return $i$*$f$($i-1$); // recurse\label{rec}\\
+\\
+\reset
+ int main()\\\
+ \>for $i$:=1 to 10\label{}\\
+ \>\>$s:=s+f(i)$;\label{}\\
+ \>return(s);\label{}\\
+\end{ntabbing}
+\caption{Simple {\tt ntabbing} example.\label{fig1}}
+\end{fig}
+
+Figure~\ref{fig1} shows an {\tt ntabbing} environment example and
+its corresponding latex output. Every line inside the {\tt
+ntabbing} environment which is labeled is automatically numbered.
+The lines can be referenced from within the environment or from
+the outside. If a line just needs to be numbered, {\tt
+\string\label\{\}} can be used. Line numbers can be reset back to
+one at any point using the {\tt\string\reset} command (line
+numbering continues across {\tt ntabbing} environments)
+
+\section{User Interface}
+\reversemarginpar
+ \marginpar{{\tt\string\begin\{ntabbing\}}\\{\tt\string\end\{ntabbing\}}}
+ The text that needs to be numbered should start with {\tt\string\begin\{ntabbing\}}
+ and end with {\tt\string\end\{ntabbing\}}. The {\tt ntabbing} environment is an
+ extension of the {\tt tabbing} environment and all the tabbing
+ commands are supported.
+\\\\\marginpar{{\tt\string\label\{\}}}
+ The {\tt\string\label\{\}} command automatically numbers the line with the
+ current sequence number. It can appear at any point in a line up to the {\tt\string\\}.
+\\\\\marginpar{{\tt\string\label\{xxx\}}}
+ Like {\tt\string\label\{\}} but the line can be referenced using
+ {\tt\string\ref\{xxx\}}.
+\\\\\marginpar{{\tt\string\reset}}
+ Resets line numbering. Line numbers can be reset several times in
+ the environment. Notice that line numbers are {\em
+ not} automatically reset at the beginning of every {\tt
+ ntabbing} block.
+
+\end{document}