sub <description function name> [(arg-proto)] {
     body....indented...between a sub and a closing }.

##</code><code>##

		 my
	   	$    print_Need  = 
		 sub		   		($) { 
			Inf($_[0] ." needed by " . ($insted ? 
				"(installed) " : "") . $rpm_nvra . "\n") 
		  };

##</code><code>##

    $print_Need("file foobar needs package xyzzy")

#seems clearly to be a procedure call 
#(does it have another syntactic meaning I'm forgetting at the moment?)
#vs.
    $print_Need->("...");

#seems less clear