ariable. For example, if the input line is <CODE>open chat</CODE>, then we would add the
<CODE>chat</CODE> string to the <CODE>deps</CODE> array. All other lines in the source file are ignored.</P><P>Next, the <CODE>$(set $(deps))</CODE> expression removes any duplicate values in the <CODE>deps</CODE> array
(sorting the array alphabetically in the process). The <CODE>find-in-path</CODE> function then finds the
actual location of each file in the include path.</P><P>The final step is print the result as the 