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> Take the following output from a netstat command.
> Client Name: SMTP                     Client Id: 000000B7
> I would love to learn how to write LPeg parser to yank the key->values 
> from that multi-line report easily.

You don't need LPeg for this task. Try
	for k,v in T:gmatch("(%u[%w ]-):%s*(.-)%s") do print(k,v) end
where T contains the netstat output.

But don't let that discourage you from learning LPeg. There is nothing
more effective for learning than concrete motivation.