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\documentclass[a4paper]{ltxdoc}
\usepackage{hang}
\usepackage{polyglossia}
\setdefaultlanguage{english}
\setotherlanguage{latin}
\newenvironment{hangingexample}{\medskip\setlength{\hangingleftmargin}{1em}}{\medskip}
\newenvironment{labeledexample}{\medskip\setlength{\labeledleftmargin}{1em}}{\medskip}
\newcommand{\lipsum}{\textlatin{Lorem ipsum dolor sit amet, consectetuer
adipiscing elit. Ut purus elit, vestibulum ut, placerat ac, adipiscing vitae, felis.}}
\setlength{\parindent}{1em}
\setlength{\leftmargini}{\parindent}
\frenchspacing
\sloppy
\begin{document}
\title{\textsf{hang} -- environments for hanging \\
paragraphs and list items}
\author{Andreas Nolda}
\date{2015/05/13 (v.\,2.0)}
\maketitle
\noindent The \textsf{hang} package provides environments for hanging paragraphs
and list items. In addition, it defines environments for labeled paragraphs and
list items.
\section{Hanging paragraphs and list items}
A \emph{hanging} paragraph or list item is a text block where all lines but the
first one are indented by some \meta{length}:
\begin{hangingexample}
\begin{hangingpar}
\lipsum
\end{hangingpar}
\end{hangingexample}
\DescribeMacro{\hangingindent} In the following environments, the
indentation \meta{length} is controlled by the |\hangingindent| length, which
can be changed as follows: \begin{quote}
|\setlength{\hangingindent}{|\meta{length}|}|
\end{quote}
By default, it is set to |1em|.
\DescribeMacro{\hangingleftmargin} The left margin of the whole hanging
paragraph or list item equals the |\hangingleftmargin| length, which defaults to
zero. In the above example, it is set to |1em| with |\setlength|.
\subsection{Hanging paragraphs}
\DescribeMacro{hangingpar} The |hangingpar| environment sets \emph{single}
hanging paragraphs:
\begin{quote}
|\begin{hangingpar}| \\
\meta{text} \\
|\end{hangingpar}|
\end{quote}
\subsection{Hanging list items}
\DescribeMacro{hanginglist} The |hanginglist| environment sets one or more
hanging list items:
\begin{quote}
|\begin{hanginglist}| \\
|\item |\meta{text} \\
\vdots \\
|\end{hanginglist}|
\end{quote}
\pagebreak
\DescribeMacro{compacthang} The |compacthang| environment sets one or more
hanging list items without vertical space:
\begin{quote}
|\begin{compacthang}| \\
|\item |\meta{text} \\
\vdots \\
|\end{compacthang}|
\end{quote}
\section{Labeled paragraphs and list items}
A \emph{labeled} paragraph or list item consist of a \meta{label} and a text
block, which is indented by some \meta{length}:
\begin{labeledexample}
\begin{labeledpar}{\meta{label}}{\meta{label}}
\lipsum
\end{labeledpar}
\end{labeledexample}
The following environments set the indentation \meta{length} to the width of
their \meta{widest\textunderscore label} argument.
\DescribeMacro{\labeledleftmargin} The left margin of the whole labeled
paragraph or list item (including the \meta{label}) equals the
|\labeledleftmargin| length, which defaults to zero, too. In the above example,
it is again set to |1em|.
\subsection{Labeled paragraphs}
\DescribeMacro{labeledpar} The |labeledpar| environment sets \emph{single}
labeled paragraphs:
\begin{quote}
|\begin{labeledpar}{|\meta{widest\textunderscore label}|}{|\meta{label}|}| \\
\meta{text} \\
|\end{labeledpar}|
\end{quote}
\subsection{Labeled list items}
\DescribeMacro{labeledlist} The |labeledlist| environment sets one or more
labeled list items:
\begin{quote}
|\begin{labeledlist}{|\meta{widest\textunderscore label}|}| \\
|\item[|\meta{label}|]|\meta{text} \\
\vdots \\
|\end{labeledlist}|
\end{quote}
\DescribeMacro{compactlabel} The |compactlabel| environment sets one or more
labeled list items without vertical space:
\begin{quote}
|\begin{compactlabel}{|\meta{widest\textunderscore label}|}| \\
|\item[|\meta{label}|]|\meta{text} \\
\vdots \\
|\end{compactlabel}|
\end{quote}
\end{document}
|
