digraph G {
	code;

	lc [label="plain line\ncomment"];
	ls [label="line\nspec"];
	bs [label="block\nspec"];
	bc [label="plain block\ncomment"];
	nlc [label="nested line comment"];

	// Code
	code -> lc [label="//"];
	code -> bc [label="/*"];
	code -> ls [label="//@"];
	code -> bs [label="/*@"];

	// Plain line comment
	lc -> code [label="\\n"];

	// Plain block comment
	bc -> code [label="*/"];

	// Spec line comment
	ls -> code [label="\n"];
	ls -> lc [label="//"];

	// Spec block comment
	bs -> code [label="*/ | @*/"];
	bs -> bc [label="/*"];
	bs -> nlc [label="//"];

	nlc -> code [label="*/ | @*/"];
	nlc -> bs [label="\\n"];
}