\textclass scrbook
\begin_preamble
% increases link area for cross-references and autoname them
-\AtBeginDocument{\renewcommand{\ref}[1]{\mbox{\autoref{#1}}}}
-\addto\extrasenglish{%
+% if you change the document language to e.g. French
+% you must change "extrasenglish" to "extrasfrench"
+\AtBeginDocument{%
+ \renewcommand{\ref}[1]{\mbox{\autoref{#1}}}
+}
+\def\refnamechanges{%
\renewcommand*{\equationautorefname}[1]{}
\renewcommand{\sectionautorefname}{sec.\negthinspace}
\renewcommand{\subsectionautorefname}{sec.\negthinspace}
\renewcommand{\figureautorefname}{Fig.\negthinspace}
\renewcommand{\tableautorefname}{Tab.\negthinspace}
}
+\@ifpackageloaded{babel}{\addto\extrasenglish{\refnamechanges}}{\refnamechanges}
% in case somebody want to have the label "Equation"
%\renewcommand{\eqref}[1]{Equation~(\negthinspace\autoref{#1})}
\mainmatter }
% makes caption labels bold
+% for more info about these settings, see
+% http://mirrors.ctan.org/macros/latex/contrib/koma-script/doc/scrguien.pdf
\setkomafont{captionlabel}{\bfseries}
\setcapindent{1em}
\usepackage{calc}
% fancy page header/footer settings
+% for more information see section 9 of
+% ftp://www.ctan.org/pub/tex-archive/macros/latex2e/contrib/fancyhdr/fancyhdr.pdf
\renewcommand{\chaptermark}[1]{\markboth{#1}{#1}}
\renewcommand{\sectionmark}[1]{\markright{\thesection\ #1}}