% de naeste seks makroer anvendes internt % de kan uden problemer fjernes i hele filen \let\START\relax \let\STOP\relax \let\SPECEXTSTART\relax \let\SPECEXTSTOP\relax \let\DCBEGIN\relax \let\DCEND\relax \DCBEGIN \documentclass[a4paper]{article} \DCEND \usepackage [latin1]{inputenc} \usepackage [T1]{fontenc} \usepackage [danish]{babel} \usepackage {felineekssupp} \usepackage {kpfonts} \usepackage [scaled=0.8]{beramono} \usepackage [scaled=0.85]{berasans} % al anvendelse af geometry i eksemplerne boer man slette, % dette anvendes mht. at stoerrelsen skal passe til brug i bogen \usepackage{geometry} \geometry{textwidth=183.29863pt} % vil ikke have sidetal med, fjern selv \pagestyle{empty} % forfatteren snyder maaske, fjern kode fra HER --> \parindent =0pt % <-- til HER. \START \usepackage[version=3]{mhchem} \usepackage{amsmath} \STOP \begin{document} \begin{gather*} \ce{C6H5#ClZ}\\ \ce{\cmath{x\,} Na(NH4)HPO4 ->[\Delta] (NaPO3)_{\cmath{x}} + \cmath{x\,} NH3 ^ + \cmath{\dots}}\\ \ce{H+ + OH- <=>> H2O}\\ \ce{\cmath{A} ->[\cmath{+H2O}] \cmath{B}} \end{gather*} \end{document}