Fonts & Character Sets ⇒ Add horizontal line beneath subsection heading and subsubsection heading

[Christoph]

Here the final CODE:

Code: Select all

\makeatletter\renewcommand{\sectionlinesformat}[4]{%
	\Ifstr{#1}{section}{%
		\parbox[t]{\linewidth}{%
			\raggedsection\@hangfrom{\hskip #2#3}{#4}\par%
			\vspace*{-1\ht\strutbox}\rule{\linewidth}{0.8pt}%
		}%
	}{%
		\Ifstr{#1}{subsection}{%
			\parbox[t]{\linewidth}{%
				\raggedsection\@hangfrom{\hskip #2#3}{#4}\par%
				\vspace*{-1\ht\strutbox}\rule{\linewidth}{.8pt}%
			}%
		}{%
			\Ifstr{#1}{subsubsection}{%
				\parbox[t]{\linewidth}{%
					\raggedsection\@hangfrom{\hskip #2#3}{#4}\par%
					\vspace*{-1\ht\strutbox}\rule{\linewidth}{.8pt}%
				}%
			}{%
				\@hangfrom{\hskip #2#3}{#4}}% 
}}}%
\makeatother