Exercise 19: Defining a New Command (Solution)
This is the solution to Exercise 19.
\documentclass[11pt]{scrartcl}
\usepackage{color}
\newcommand*{\keyword}[1]{\textsf{\slshape\color{blue} #1}}
\begin{document}
A \keyword{command} usually begins with a backslash.
Segments of code may be \keyword{grouped}.
Some \keyword{commands} take one or more \keyword{arguments}.
\end{document}