shortest := prec < 0
	if shortest {
		roundShortest(d, mant, exp, flt)
		digs = decimalSlice{d: d.d[:], nd: d.nd, dp: d.dp}
		// Precision for shortest representation mode.
		switch fmt {
		case 'e', 'E':
			prec = digs.nd - 1
		case 'f':
			prec = max(digs.nd-digs.dp, 0)
		case 'g', 'G':
			prec = digs.nd
		}
	} else {
		// Round appropriately.
		switch fmt {
		case 'e', 'E':
			d.Round(prec + 1)

		d.dp += 9
	} else {
		d.nd = 0
		// emit high part
		n := uint(9)
		for v := chi; v > 0; {
			v1, v2 := v/10, v%10
			v = v1
			n--
			d.d[n] = byte(v2 + '0')
		}
		d.d = d.d[n:]
		d.nd = int(9 - n)
		// emit low part
		ryuDigits32(d, llo, clo, ulo,
			c0, cup, d.nd+8)
	}
	// trim trailing zeros
	for d.nd > 0 && d.d[d.nd-1] == '0' {
		d.nd--
	}

		return false
	}

	// room for data?
	nd := countSub(br.dataCount(), bw.dataCount()) + len(b.data)
	want := 2 + int(b.hdrsize) + nstk
	i := int(bw.dataCount() % uint32(len(b.data)))
	if i+want > len(b.data) {
		// Can't fit in trailing fragment of slice.
		// Skip over that and start over at beginning of slice.
		nd -= len(b.data) - i
	}
	return nd >= want
}

				packageNames = []string{}
			}

			if nd.RawArg == "-args" || nd.RawArg == "--args" {
				// -args or --args signals that everything that follows
				// should be passed to the test.
				explicitArgs = append(explicitArgs, remainingArgs...)
				break
			}

			if firstUnknownFlag == "" {
				firstUnknownFlag = nd.RawArg
			}

			explicitArgs = append(explicitArgs, nd.RawArg)
			args = remainingArgs

		}
		if !info.Opaque && !incs[info.Name] {
			t.Errorf("Name=%s missing IncNonDefault calls; see 'go doc internal/godebug'", info.Name)
		}
	}
}

var incNonDefaultRE = regexp.MustCompile(`([\pL\p{Nd}_]+)\.IncNonDefault\(\)`)

func incNonDefaults(t *testing.T) map[string]bool {
	// Build list of all files importing internal/godebug.
	// Tried a more sophisticated search in go list looking for

    private static final List<String> UNITS = unmodifiableList(asList(" B", " KiB", " MiB", " GiB", " TiB", " PiB", " EiB"));
    private static final List<String> ORDINAL_SUFFIXES = unmodifiableList(asList("th", "st", "nd", "rd", "th", "th", "th", "th", "th", "th"));


    /**
     * Percentage (0-...) of given input.
     *
     * @param fraction the fraction of total, must be &gt;= 0. if 0, the result will be 100.

		}

		// Consume all existing comments.
		if strings.HasPrefix(line, "//") {
			continue
		}
		ues.newgolines = append(ues.newgolines, line)
	}

	if didx != nd {
		t.Logf("didx=%d wanted %d", didx, nd)
	}

	// Open new Go file and write contents.
	of, err := os.OpenFile(newgopath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0644)
	if err != nil {
		t.Fatalf("opening %s: %v", newgopath, err)
	}

mg: fiteny malagasy
mh: Kajin M̧ajeļ
mi: te reo Māori
mk: македонски јазик
ml: മലയാളം
mn: Монгол хэл
mr: मराठी
ms: Bahasa Malaysia
mt: Malti
my: ဗမာစာ
na: Ekakairũ Naoero
nb: Norsk bokmål
nd: isiNdebele
ne: नेपाली
ng: Owambo
nl: Nederlands
nn: Norsk nynorsk
'no': Norsk
nr: isiNdebele
nv: Diné bizaad
ny: chiCheŵa
oc: occitan
oj: ᐊᓂᔑᓈᐯᒧᐎᓐ
om: Afaan Oromoo
or: ଓଡ଼ିଆ

	{"abc", "abc", ""},
	{"abc\r", "abc\r", ""},
	{"abc\n", "abc", ""},
	{"abc\r\n", "abc", ""},
	{"abc\nd", "abc", "d"},
	{"abc\r\nd", "abc", "d"},
	{"\nabc", "", "abc"},
	{"\r\nabc", "", "abc"},
	{"abc\t \nd", "abc", "d"},
	{"\t abc\nd", "\t abc", "d"},
	{"abc\n\t d", "abc", "\t d"},
	{"abc\nd\t ", "abc", "d\t "},
}

func TestGetLine(t *testing.T) {
	for i, test := range getLineTests {

					ds = append(ds, d)
				} else {
					// Synthesize a GenDecl with just the Specs we need.
					nd := *d // copy the GenDecl
					nd.Specs = specs
					if len(specs) == 1 {
						// Remove grouping parens if there is only one spec.
						nd.Lparen = 0
					}
					ds = append(ds, &nd)
				}
			}
		}
	}
	return ds, unresolved
}

func hasIota(s ast.Spec) bool {
	has := false