println("one", "two")       // printsp

	// test goprintf
	defer println((interface{})(nil))
	defer println((interface {
		f()
	})(nil))
	defer println((map[int]int)(nil))
	defer println(([]int)(nil))
	defer println(int64(-11))
	defer println(uint64(12))
	defer println(uint32(12))
	defer println(uint16(12))
	defer println(uint8(12))
	defer println(uint(12))
	defer println(uintptr(12))
	defer println(13.0)

	sp := (*slice)(unsafe.Pointer(&s))
	print("[", len(s), "/", cap(s), "]")
	printpointer(sp.array)
}

func printeface(e eface) {
	print("(", e._type, ",", e.data, ")")
}

func printiface(i iface) {
	print("(", i.tab, ",", i.data, ")")
}

// hexdumpWords prints a word-oriented hex dump of [p, end).
//
// If mark != nil, it will be called with each printed word's address

	{"runtime.printstring", 1},
	{"runtime.printpointer", 1},
	{"runtime.printuintptr", 1},
	{"runtime.printiface", 1},
	{"runtime.printeface", 1},
	{"runtime.printslice", 1},
	{"runtime.printnl", 1},
	{"runtime.printsp", 1},
	{"runtime.printlock", 1},
	{"runtime.printunlock", 1},
	{"runtime.concatstring2", 1},
	{"runtime.concatstring3", 1},
	{"runtime.concatstring4", 1},
	{"runtime.concatstring5", 1},

func printuint(uint64)
func printcomplex(complex128)
func printstring(string)
func printpointer(any)
func printuintptr(uintptr)
func printiface(any)
func printeface(any)
func printslice(any)
func printnl()
func printsp()
func printlock()
func printunlock()

func concatstring2(*[32]byte, string, string) string
func concatstring3(*[32]byte, string, string, string) string

	{"printstring", funcTag, 29},
	{"printpointer", funcTag, 30},
	{"printuintptr", funcTag, 31},
	{"printiface", funcTag, 30},
	{"printeface", funcTag, 30},
	{"printslice", funcTag, 30},
	{"printnl", funcTag, 9},
	{"printsp", funcTag, 9},
	{"printlock", funcTag, 9},
	{"printunlock", funcTag, 9},
	{"concatstring2", funcTag, 34},
	{"concatstring3", funcTag, 35},
	{"concatstring4", funcTag, 36},
	{"concatstring5", funcTag, 37},

		case types.TSTRING:
			cs := ""
			if ir.IsConst(n, constant.String) {
				cs = ir.StringVal(n)
			}
			switch cs {
			case " ":
				on = typecheck.LookupRuntime("printsp")
			case "\n":
				on = typecheck.LookupRuntime("printnl")
			default:
				on = typecheck.LookupRuntime("printstring")
			}
		default:
			badtype(ir.OPRINT, n.Type(), nil)
			continue
		}

	commentNewline bool              // true if the comment group contains newlines
}

type printer struct {
	// Configuration (does not change after initialization)
	Config
	fset *token.FileSet

	// Current state
	output       []byte       // raw printer result
	indent       int          // current indentation

				p.print(x.MapIndex(key))
				p.printf("\n")
			}
			p.indent--
		}
		p.printf("}")

	case reflect.Pointer:
		p.printf("*")
		// type-checked ASTs may contain cycles - use ptrmap
		// to keep track of objects that have been printed
		// already and print the respective line number instead
		ptr := x.Interface()
		if line, exists := p.ptrmap[ptr]; exists {
			p.printf("(obj @ %d)", line)
		} else {

		p.print(newline)
		for i, c := range list {
			p.printCommClause(c, i+1 == len(list))
			p.print(newline)
		}
	}
	p.print(_Rbrace)
}

func (p *printer) printCaseClause(c *CaseClause, braces bool) {
	if c.Cases != nil {
		p.print(_Case, blank, c.Cases)
	} else {
		p.print(_Default)
	}
	p.print(_Colon)
	if len(c.Body) > 0 {
		p.print(newline, indent)
		p.printStmtList(c.Body, braces)

	// measured in Unicode code points,
	// excluding TextPrefix and the newline character.
	// If TextWidth is zero, it defaults to 80 minus the number of code points in TextPrefix.
	// If TextWidth is negative, there is no limit.
	TextWidth int
}

func (p *Printer) headingLevel() int {
	if p.HeadingLevel <= 0 {
		return 3
	}
	return p.HeadingLevel
}

func (p *Printer) headingID(h *Heading) string {