11 \advance\chapcount by 1
12 \addid{chap}{\the\chapcount}
13 \leftline{\the\chapcount. #1}
17 \def\chapref{\ref{chap}}
21 \chapter[pri]{Caput prima}
23 \chapter[sec]{Caput secunda}
25 \url{http://pruvodce.ucw.cz/errata.html}
27 \chapter[ter]{Caput tertia}
29 See also chapter~\chapref{pri} at page \ref{page}{pri}.
31 Hard link to page~\pagelink{1}.