p.lex()
		return x
	}

	if !p.isTag {
		if p.tok == "" {
			panic(&SyntaxError{Offset: p.pos, Err: "unexpected end of expression"})
		}
		panic(&SyntaxError{Offset: p.pos, Err: "unexpected token " + p.tok})
	}
	tok := p.tok
	p.lex()
	return tag(tok)
}

// lex finds and consumes the next token in the input stream.
// On return, p.tok is set to the token text,

            plugin = new Plugin();
            plugin.setGroupId(tok[0]);
            plugin.setArtifactId(tok[1]);
            plugin.setVersion(tok[2]);
            goal = tok[3];

            // This won't be valid, but it constructs something easy to read in the error message
            for (int idx = 4; idx < tok.length; idx++) {
                goal += ":" + tok[idx];
            }
        } else if (numTokens == 3) {

func (p *rulesParser) nextList() (list []string, token string) {
	for {
		tok := p.nextToken()
		switch tok {
		case "":
			if len(list) == 0 {
				return nil, ""
			}
			fallthrough
		case ",", "<", "!<", ";":
			p.syntaxError("bad list syntax")
		}
		list = append(list, tok)

		tok = p.nextToken()
		if tok != "," {
			return list, tok
		}
	}
}

                if (minorVersion == null) {
                    fallback = true;
                }
            }
            if (idx < tok.length) {
                incrementalVersion = getNextIntegerToken(tok[idx++]);
                if (incrementalVersion == null) {
                    fallback = true;
                }
            }
            if (idx < tok.length) {
                qualifier = tok[idx++];

			}
		}
	}
}

func (in *input) parseStmt() {
	tok := in.lex()
	start := tok.pos
	end := tok.endPos
	tokens := []string{tok.text}
	for {
		tok := in.lex()
		switch {
		case tok.kind.isEOL():
			in.file.Stmt = append(in.file.Stmt, &Line{
				Start: start,
				Token: tokens,
				End:   end,
			})
			return

		case tok.kind == '(':
			if next := in.peek(); next.isEOL() {

}

func readArg(s string) (arg string, value uint64, rest string, err error) {
	var tok string
	tok, rest = readToken(s)
	if len(tok) == 0 {
		return "", 0, s, fmt.Errorf("no argument")
	}
	parts := strings.SplitN(tok, "=", 2)
	if len(parts) < 2 {
		return "", 0, s, fmt.Errorf("malformed argument: %q", tok)
	}
	arg = parts[0]
	value, err = strconv.ParseUint(parts[1], 10, 64)
	if err != nil {

		result := int64(p.expr())
		if result != test.output {
			t.Errorf("%d: %q evaluated to %d; expected %d", i, test.input, result, test.output)
		}
		tok := p.next()
		if test.atEOF && tok.ScanToken != scanner.EOF {
			t.Errorf("%d: %q: at EOF got %s", i, test.input, tok)
		} else if !test.atEOF && tok.ScanToken == scanner.EOF {
			t.Errorf("%d: %q: expected not EOF but at EOF", i, test.input)
		}
	}
}

type badExprTest struct {

	RawString: "RawString",
	Comment:   "Comment",
}

// TokenString returns a printable string for a token or Unicode character.
func TokenString(tok rune) string {
	if s, found := tokenString[tok]; found {
		return s
	}
	return fmt.Sprintf("%q", string(tok))
}

// GoWhitespace is the default value for the [Scanner]'s Whitespace field.
// Its value selects Go's white space characters.

	m := tokenMap(func(t Token) Token {
		switch tok := t.(type) {
		case StartElement:
			if tok.Name.Local == "quote" {
				tok.Name.Local = "blocking"
				return tok
			}
		case EndElement:
			if tok.Name.Local == "quote" {
				tok.Name.Local = "blocking"
				return tok
			}
		}
		return t
	})

	d = NewTokenDecoder(m(d))

		} else {
			p.printParameterList(list, 0)
		}
	}
}

// If tok != 0 print a type parameter list: tok == _Type means
// a type parameter list for a type, tok == _Func means a type
// parameter list for a func.
func (p *printer) printParameterList(list []*Field, tok token) {
	open, close := _Lparen, _Rparen
	if tok != 0 {
		open, close = _Lbrack, _Rbrack
	}
	p.print(open)
	for i, f := range list {