.collect { it.trim() }
            .grep { !it.isEmpty() }
    }

    static List<String> parentCommitsOf(String commit) {
        return getStdout("git show --format=%P --no-patch $commit")
            .split(" ").collect { it.trim() }.grep { !it.isEmpty() }
    }

    @groovy.transform.ToString
    static class ExecResult {

    @Internal
    protected
    fun getContributorsInReleaseNotes(): Set<GitHubUser> {
        val (_, contributorLines, _) = parseReleaseNotes()
        return contributorLines
            .map { it.trim() }
            .filter { it.isNotEmpty() }
            .onEach { if (!contributorLineRegex.containsMatchIn(it)) throw IllegalStateException("Invalid contributor line: $it") }

                throw new RuntimeException(String.format("Expected %s <td> elements in <tr>, found: %s", header.size(), tr));
            }
            String propName = cells.get(0).getTextContent().trim();
            PropertyMetaData property = classDoc.getClassMetaData().findProperty(propName);
            if (property == null) {

indent_style = space
indent_size = 4

# We recommend you to keep these unchanged
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true

# Markdown files sometimes need trailing whitespaces.
[*.md]
trim_trailing_whitespace = false

[*.{yml,yaml}]
indent_size = 2

[gradle/verification-metadata.xml]
indent_size = 3

            mergeBlock(tr, project)
        }
    }

    def mergeBlock(Element tr, gradlebuild.docs.dsl.docbook.model.ClassDoc project) {
        String blockName = tr.td[0].text().trim()
        gradlebuild.docs.dsl.docbook.model.BlockDoc blockDoc = project.getBlock(blockName)
        tr.children = {
            td { link(linkend: blockDoc.id) { literal("$blockName { }")} }

            task.getMilestone().convention(project.getProviders().fileContents(project.getRootProject().getLayout().getProjectDirectory().file("version.txt")).getAsText().map(String::trim));
        });

        Configuration jquery = project.getConfigurations().create("jquery", conf -> {
            conf.setDescription("JQuery dependencies embedded by release notes.");
        });

        def propertyDetailsSection = withCategories { content.section.find { it.title[0].text().trim() == 'Property details' } }
        def propertiesTable = withCategories { propertiesSection ? propertiesSection.table[0] : parse('<table/>')}
        def methodsSection = withCategories { content.section.find { it.title[0].text().trim() == 'Methods' } }

    val out = ByteArrayOutputStream()
    exec {
        isIgnoreExitValue = ignoreExitValue
        commandLine(*args)
        standardOutput = out
        this.workingDir = workingDir
    }
    return out.toString().trim()
}


fun Project.execAndGetStdoutIgnoringError(vararg args: String) = execAndGetStdout(File("."), true, *args)

                builder.append("\n");
            }
        } catch (IOException e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
        input.insert(pos, builder.toString().trim());
    }

    public char getFirst() {
        return input.charAt(pos);
    }

        }
        return table
    }

    private Element getSection(String title) {
        def sections = classSection.section.findAll {
            it.title[0] && it.title[0].text().trim() == title
        }
        if (sections.size() < 1) {
            throw new RuntimeException("Docbook content for $className does not contain a '$title' section.")
        }
        return sections[0]
    }