implement line numbers

(if I figure out who invented the way numbersep works… grr…)

teckids2style.sty

@@ -295,6 +295,11 @@
 	% für 〔Paßwörter〕 und 「variable Texte」 in Listings
 	moredelim=[is][\color{ForestGreen}]{〔}{〕},
 	moredelim=*[is][\color{RedOrange}]{「}{」},
+	% Zeilennummern
+	numbers=left,
+	numberstyle=\ttfamily\color[HTML]{444444},
+	xleftmargin=24pt,
+	numbersep=12pt,
 }%
 \makeatother%