version=2
rule=:msg: %{"name":"numbers", "type":"repeat",
			"parser":[
			  {"name":"n1", "type":"number"},
			  {"type":"literal", "text":":"},
			  {"name":"n2", "type":"number"}
			  ],
			"while":[
			  {"type":"literal", "text":", "}
			]
       		   }% b %w:word%