// but it avoids creating doubled blank lines,
// which would not be gofmt-standard output.
// It assumes that only whole blocks of lines are being appended,
// not line fragments.
func appendLines(x, y []byte) []byte {
	if len(y) > 0 && isNL(y[0]) && // y starts in blank line
		(len(x) == 0 || len(x) >= 2 && isNL(x[len(x)-1]) && isNL(x[len(x)-2])) { // x is empty or ends in blank line
		y = y[1:] // delete y's leading blank line

func (S0) m4 () (x *S0.m4 /* ERROR "S0.m4 is not a type" */ ) { return }

// interfaces may not have any blank methods
type BlankI interface {
	_ /* ERROR "methods must have a unique non-blank name" */ ()
	_ /* ERROR "methods must have a unique non-blank name" */ (float32) int
	m()
}

// non-interface types may have multiple blank methods
type BlankT struct{}

func (BlankT) _() {}
func (BlankT) _(int) {}

	`[:alnum:]`:   {+1, code4},
	`[:^alnum:]`:  {-1, code4},
	`[:alpha:]`:   {+1, code5},
	`[:^alpha:]`:  {-1, code5},
	`[:ascii:]`:   {+1, code6},
	`[:^ascii:]`:  {-1, code6},
	`[:blank:]`:   {+1, code7},
	`[:^blank:]`:  {-1, code7},
	`[:cntrl:]`:   {+1, code8},
	`[:^cntrl:]`:  {-1, code8},
	`[:digit:]`:   {+1, code9},
	`[:^digit:]`:  {-1, code9},
	`[:graph:]`:   {+1, code10},
	`[:^graph:]`:  {-1, code10},

import org.gradle.exemplar.executor.ExecutionMetadata
import org.gradle.exemplar.test.normalizer.OutputNormalizer

import java.util.regex.Pattern

/**
 * Allows a blank empty line in your sample output to match a blank line with any number of spaces in the actual output.
 *
 * This exists to avoid having to measure out "prefix" whitespace indentation and match it exactly in your sample output.
 */

		t.Errorf("Update a filed with a default value should occur. But got %v\n", animal.Name)
	}

	// When changing a field with a default value with blank value
	animal.Name = ""
	DB.Save(&animal)
	DB.First(&animal, animal.Counter)
	if animal.Name != "" {
		t.Errorf("Update a filed to blank with a default value should occur. But got %v\n", animal.Name)
	}

import org.hamcrest.MatcherAssert.assertThat

import org.junit.Test


class LinePreservingSubstringTest {

    @Test
    fun `given a range starting after the first line, it should return a substring prefixed by blank lines`() {
        val original = """
            // line 1
            // line 2
            buildscript {
                // line 4
            }
        """.replaceIndent()

	// Determine cutpoint where +build comments are no longer valid.
	// They are valid in leading // comments in the file followed by
	// a blank line.
	//
	// This must be done as a separate pass because of the
	// requirement that the comment be followed by a blank line.
	var cutoff int
	for i, line := range lines {
		line = bytes.TrimSpace(line)
		if !bytes.HasPrefix(line, slashSlash) {
			if len(line) > 0 {

	benchmarkAnalyzersArtificialBlankData(400, b)
}

func BenchmarkAnalyzersArtificialBlankData800(b *testing.B) {
	benchmarkAnalyzersArtificialBlankData(800, b)
}

// Benchmark analyzers against an artificial set of blank data.
// This does not cover all scaling factors, and it's not representative of a realistic snapshot, but it does cover some things.
func benchmarkAnalyzersArtificialBlankData(count int, b *testing.B) {

        JavaExtensionRegistry extensionRegistry = asciidoctor.javaExtensionRegistry()
        extensionRegistry.includeProcessor(GuidesContributeIncludeProcessor.class)
    }

    def "defaults repo to gradle/guides and issue to blank url"() {
        given:
        String asciidocContent = """
            |= Doctitle
            |
            |include::contribute[]
            |""".stripMargin()
        when:

		continue L2 /* ERROR "invalid continue label L2" */
		continue L3
		goto L1
		goto L2
		goto L3
	}
}

// Blank labels are never declared.

func f4() {
_:
_: // multiple blank labels are ok
	goto _ /* ERROR "label _ not declared" */
}

func f5() {
_:
	for {
		break _ /* ERROR "invalid break label _" */