1 % extra.sty : Isabelle Manual extra macros for non-Springer version
3 \typeout{Document Style extra. Released 17/2/94, version of 22/8/00}
5 %%Euro-style date: 20 September 1955
6 \def\today{\number\day\space\ifcase\month\or
7 January\or February\or March\or April\or May\or June\or
8 July\or August\or September\or October\or November\or December\fi
11 %%%Put first chapter on odd page, with arabic numbering; like \cleardoublepage
12 \newcommand\clearfirst{\clearpage\ifodd\c@page\else
13 \hbox{}\newpage\if@twocolumn\hbox{}\newpage\fi\fi
14 \pagenumbering{arabic}}
16 %%%Ruled chapter headings
17 \def\@rulehead#1{\hrule height1pt \vskip 14pt \Huge \bf
18 #1 \vskip 14pt\hrule height1pt}
19 \def\@makechapterhead#1{ { \parindent 0pt
20 \ifnum\c@secnumdepth >\m@ne \raggedleft\large\bf\@chapapp{} \thechapter \par
21 \vskip 20pt \fi \raggedright \@rulehead{#1} \par \nobreak \vskip 40pt } }
23 \def\@makeschapterhead#1{ { \parindent 0pt \raggedright
24 \@rulehead{#1} \par \nobreak \vskip 40pt } }