\label{About_Authors_Manual} Throughout this manual, keywords and phrases literally present on the computer screen will be referred to in \textbf{bold type}. Function names and scripts will be shown in a \texttt{typewriter font}. Much of this document can be used as a tutorial that will introduce you to the authoring system. For additional help, contact the helpdesk or search the loncapa listservs at\\ \texttt{http://mail.lon-capa.org/mailman/swish.cgi}.