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\documentclass[a4paper]{article}
\usepackage{fontspec}
\usepackage{polyglossia}
\setmainlanguage{english}
\usepackage{listings}
\lstset{basicstyle=\ttfamily}
\usepackage{phonrule}
\usepackage{gb4e}
\title{The \texttt{phonrule} package (v1.3.0)}
\author{Stefano Coretta \\ \texttt{stefano.coretta \textit{at} postgrad.manchester.ac.uk}}
\reversemarginpar
\begin{document}
\maketitle
\section{Purpose}
This package provides macros for typesetting phonological rules like those in \textit{Sound Pattern of English} (Chomsky, Noam \& Morris Halle. 1968.\textit{The sound pattern of English}. New York, Evanston, and London: Harper \& Row).
\section{Usage}
\begin{quote}
\begin{lstlisting}
\phon{〈input〉}{〈output〉}
\end{lstlisting}
\end{quote}
The command \verb+\phon+ has two arguments: the first one is the input of the rule and the second is its output.
Here is an example with the code and the result it produces:
\begin{exe}
\ex \verb+\phon{z}{r}+
\ex \phon{z}{r}
\end{exe}
\begin{quote}
\begin{lstlisting}
\phonc{〈input〉}{〈output〉}{〈context〉}
\end{lstlisting}
\end{quote}
\verb+\phonc+ adds a third argument for the context:
\begin{exe}
\ex \verb+\phonc{a}{ə}{[–stressed]}+
\ex \phonc{a}{ə}{[–stressed]}
\end{exe}
The commands \verb+\phonl+, \verb+\phonr+ and \verb+\phonb+ add a place holder line and put the context, respectively, on the left (l), on the right (r) and on both sides (b):
\begin{exe}
\ex
\begin{xlist}
\ex \verb+\phonl{k}{c}{i}+
\ex \phonl{k}{tʃ}{i}
\end{xlist}
\ex
\begin{xlist}
\ex \verb+\phonr{t}{ts}{u}+
\ex \phonr{t}{ts}{u}
\end{xlist}
\ex
\begin{xlist}
\ex \verb+\phonb{s}{z}{V}{V}+
\ex \phonb{s}{z}{V}{V}
\end{xlist}
\end{exe}
The \verb+\oneof+ command provides the possibility to compile several contexts, one per line, embraced by a left curly bracket.
\begin{exe}
\ex
\begin{lstlisting}
\phonc{t}{ts}{
\oneof{
\phold i \\
\phold u}
}
\end{lstlisting}
\ex \phonc{t}{ts}{
\oneof{
\phold i \\
\phold u}
}
\end{exe}
The \verb+\phonfeat+ command allows you to insert feature specifications:
\begin{exe}
\ex
\begin{lstlisting}
\phonc{t}{ts}{\phold
\phonfeat{
−consonantal \\
+high \\
+front}
}
\end{lstlisting}
\ex \phonc{t}{ts}{\phold
\phonfeat{
−consonantal \\
+high \\
+front}
}
\end{exe}
\verb+\phold+ typesets a place holder line. You can nest \verb|oneof| and \verb|phonfeat| commands for complex rules.
The \verb|oneof| command accepts an optional argument which tells the alignment of the context.
\begin{exe}
\ex
\begin{lstlisting}
\phonc{x}{y}{\oneof[l]{
\phold z \\
\phonfeat{
+feature x \\
−feature y
} \phold
}}
\end{lstlisting}
\ex \phonc{x}{y}{\oneof{
\phold z \\
\phonfeat{
+feature x \\
−feature y
} \phold
}}
\end{exe}
You can use \verb|\env|, \verb|\envl|, \verb|\envr|, \verb|\envb| for rules with more than one output: these commands typeset only the different outputs with their respective environments.
The possible values are \texttt{[c]} for centre (the default), \texttt{[l]} for left-aligned, and \texttt{[r]} for right aligned.
The following example shows the use of the optional argument with \texttt{[l]}.
The \verb|\env|, \verb|\envl|, \verb|\envr|, \verb|\envb| have a starred version to be used when an optional argument is set in \verb|\oneof|.
\begin{exe}
\ex
\begin{lstlisting}
\phon{x}{\oneof[l]{
\envr*{w}{z} \\
\envl*{v}{\phonfeat{
+feature x \\
−feature y
}}}}
\end{lstlisting}
\ex \phon{x}{\oneof[l]{
\envr*{w}{z} \\
\envl*{v}{\phonfeat{
+feature x \\
−feature y
}}}}
\end{exe}
\section{Change log}
\subsection*{v1.3.0 - 2016-12-26}
\subsubsection*{Added}
\begin{itemize}
\item optional argument for text alignment in \verb+\oneof+ command
\item starred version of the \verb+\env+ command family for use with optional argument in \verb+\oneof+
\end{itemize}
\subsubsection*{Changed}
\begin{itemize}
\item definition of \verb+\phon+ command family
\item header of \texttt{phonrule.sty}
\item extension of README, now \texttt{.md}
\end{itemize}
\subsubsection*{Removed}
\begin{itemize}
\item package \texttt{ragged2e}
\end{itemize}
\subsection*{v1.2.0}
\subsubsection*{Added}
\begin{itemize}
\item \texttt{ragged2e} package for \verb+\Centering+ command
\end{itemize}
\subsubsection*{Fixed}
\begin{itemize}
\item Fixed: now the content of the feature matrices is centred and not left aligned
\end{itemize}
\subsection*{v1.1.0}
\subsubsection*{Changed}
\begin{itemize}
\item definition of \verb+\phonfeat+ and \verb+\oneof+ with \verb+\pbox+ (requires package \texttt{pbox})
\subsubsection*{Fixed}
\item documentation typos
\end{itemize}
\subsection*{v1.0.0}
\subsubsection*{Added}
\begin{itemize}
\item new commands \verb|\env| for personalised outputs
\end{itemize}
\subsubsection*{Changed}
\begin{itemize}
\item definition of commands with \verb|\ensuremath|
\item environments to commands
\item place holder to 1.5ex length, -1.5pt vertical position
\item curly brackets to only left in \verb|\oneof| command
\end{itemize}
\end{document}
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