%% toc
\newcommand{\tocentry}[1]{\cleardoublepage\phantomsection\addcontentsline{toc}{chapter}{#1}
\@mkboth{\MakeUppercase{#1}}{\MakeUppercase{#1}}}
%% paragraphs
\setlength{\parindent}{1em}
%% references
\newcommand{\secref}[1]{\S\ref{#1}}
\newcommand{\figref}[1]{figure~\ref{#1}}
%% logical markup
\newcommand{\strong}[1]{{\bfseries {#1}}}
%% typographic conventions
\newcommand{\qt}[1]{``{#1}''}
\newcommand{\ditem}[1]{\item[\isastyletext #1]}
%% quote environment
\isakeeptag{quote}
\renewenvironment{quote}
{\list{}{\leftmargin2em\rightmargin0pt}\parindent0pt\parskip0pt\item\relax}
{\endlist}
\renewcommand{\isatagquote}{\begin{quote}}
\renewcommand{\endisatagquote}{\end{quote}}
\newcommand{\quotebreak}{\\[1.2ex]}
%% presentation
\setcounter{secnumdepth}{2} \setcounter{tocdepth}{2}
%% character detail
\renewcommand{\isadigit}[1]{\isamath{#1}}
\binperiod
%% format
\pagestyle{headings}
\isabellestyle{it}