"strings"

	md "rsc.io/markdown"
)

// NewParser returns a properly configured Markdown parser.
func NewParser() *md.Parser {
	var p md.Parser
	p.HeadingIDs = true
	return &p
}

// CheckFragment reports problems in a release-note fragment.
func CheckFragment(data string) error {
	doc := NewParser().Parse(data)
	// Check that the content of the document contains either a TODO or at least one sentence.
	txt := ""

	bz2 := new(reader)
	bz2.br = newBitReader(r)
	return bz2
}

const bzip2FileMagic = 0x425a // "BZ"
const bzip2BlockMagic = 0x314159265359
const bzip2FinalMagic = 0x177245385090

// setup parses the bzip2 header.
func (bz2 *reader) setup(needMagic bool) error {
	br := &bz2.br

	if needMagic {
		magic := br.ReadBits(16)
		if magic != bzip2FileMagic {
			return StructuralError("bad magic value")
		}
	}

//
// If the host in the address parameter is not a literal IP address or
// the port is not a literal port number, ResolveUDPAddr resolves the
// address to an address of UDP end point.
// Otherwise, it parses the address as a pair of literal IP address
// and port number.
// The address parameter can use a host name, but this is not
// recommended, because it will return at most one of the host name's
// IP addresses.
//

		sinceTime, err = time.Parse(time.RFC3339, sinceTimeValue)
		if err != nil {
			allErrs = append(allErrs, field.Invalid(field.NewPath("sinceTime"), sinceTimeValue, "invalid time format"))
		} else {
			nlq.SinceTime = &sinceTime
		}
	}

	var untilTime time.Time
	untilTimeValue := query.Get("untilTime")
	if len(untilTimeValue) > 0 {
		untilTime, err = time.Parse(time.RFC3339, untilTimeValue)

	"cmd/internal/objabi"
	"cmd/internal/src"
)

// Input is the main input: a stack of readers and some macro definitions.
// It also handles #include processing (by pushing onto the input stack)
// and parses and instantiates macro definitions.
type Input struct {
	Stack
	includes        []string
	beginningOfLine bool
	ifdefStack      []bool
	macros          map[string]*Macro

		return nopos, err.Error()
	}
}

// absDiff returns the absolute difference between x and y.
func absDiff(x, y uint) uint {
	if x < y {
		return y - x
	}
	return x - y
}

// parseFlags parses flags from the first line of the given source if the line
// starts with "//" (line comment) followed by "-" (possibly with spaces
// between). Otherwise the line is ignored.
func parseFlags(src []byte, flags *flag.FlagSet) error {

	SystemName string
	Filename   string
	StartLine  int64

	nameX       int64
	systemNameX int64
	filenameX   int64
}

// Parse parses a profile and checks for its validity. The input must be an
// encoded pprof protobuf, which may optionally be gzip-compressed.
func Parse(r io.Reader) (*Profile, error) {
	orig, err := io.ReadAll(r)
	if err != nil {
		return nil, err
	}

		klog.V(4).InfoS("Check limits for resolv.conf failed", "eventlog", log)
		return
	}
}

// parseResolvConf reads a resolv.conf file from the given reader, and parses
// it into nameservers, searches and options, possibly returning an error.
func parseResolvConf(reader io.Reader) (nameservers []string, searches []string, options []string, err error) {

	}
	return nil
}

// Parsed reports whether f.Parse has been called.
func (f *FlagSet) Parsed() bool {
	return f.parsed
}

// Parse parses the command-line flags from [os.Args][1:]. Must be called
// after all flags are defined and before flags are accessed by the program.
func Parse() {
	// Ignore errors; CommandLine is set for ExitOnError.
	CommandLine.Parse(os.Args[1:])
}

)

var fset = token.NewFileSet()

func parseFiles(t *testing.T, filenames []string, srcs [][]byte, mode parser.Mode) ([]*ast.File, []error) {
	var files []*ast.File
	var errlist []error
	for i, filename := range filenames {
		file, err := parser.ParseFile(fset, filename, srcs[i], mode)
		if file == nil {
			t.Fatalf("%s: %s", filename, err)
		}
		files = append(files, file)
		if err != nil {