Add documentation to usage function.
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		@@ -71,6 +71,9 @@ function set_config_vars()
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	source $ISIDORE_CONFIG_DIR/config
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						source $ISIDORE_CONFIG_DIR/config
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}
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					}
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					##
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					# Print the usage of the Isidore command.
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					##
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function print_usage()
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					function print_usage()
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{
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					{
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	echo "USAGE: $1 <command> [options]"
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						echo "USAGE: $1 <command> [options]"
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