print [at 14:1]
 arg: {this goes to the default output
}
redir [at 18:1]
 arg: {Tutor10.inc}
print [at 19:1]
 arg: {# this is a generated file.}
print [at 20:1]
 arg: {
	print {hello world from my include!\n}
}
redir [at 25:1]
print [at 26:1]
 arg: {back at default output.
}
print [at 45:1]
 arg: {Include:
}
include [at 46:1]
 arg: {Tutor10.inc}
