// f3 lead comment
	f3 int  // f3 line comment

	f4 int   /* not a line comment */ ;
        f5 int ; // f5 line comment
	f6 int ; /* f6 line comment */
	f7 int ; /*f7a*/ /*f7b*/ //f7c
}
`, ParseComments)
	if err != nil {
		t.Fatal(err)
	}
	checkFieldComments(t, f, "T.F1", "/* F1 lead comment *///", "/* F1 */// line comment")
	checkFieldComments(t, f, "T.F2", "// F2 lead// comment", "// F2 line comment")

func (p *printer) newline() {
	if len(p.comment) > 0 {
		p.printf(" ")
		for i, com := range p.comment {
			if i > 0 {
				p.trim()
				p.printf("\n")
				for i := 0; i < p.margin; i++ {
					p.printf("\t")
				}
			}
			p.printf("%s", strings.TrimSpace(com.Token))
		}
		p.comment = p.comment[:0]
	}

	p.trim()

		// A +build comment is ignored after or adjoining the package declaration.
		if group.End()+1 >= f.Package {
			check.plusBuildOK = false
		}
		// A //go:build comment is ignored after the package declaration
		// (but adjoining it is OK, in contrast to +build comments).
		if group.Pos() >= f.Package {
			check.goBuildOK = false
		}

		// Check each line of a //-comment.
		for _, c := range group.List {

	{"foo    /*  */ /* \n */ bar/**/\n", "IDENT COMMENT COMMENT ; IDENT COMMENT ;"},
	{"foo    /*0*/ /*1*/ /*2*/\n", "IDENT COMMENT COMMENT COMMENT ;"},

	{"foo    /*comment*/    \n", "IDENT COMMENT ;"},
	{"foo    /*0*/ /*1*/ /*2*/    \n", "IDENT COMMENT COMMENT COMMENT ;"},
	{"foo	/**/ /*-------------*/       /*----\n*/bar       /*  \n*/baa\n", "IDENT COMMENT COMMENT COMMENT ; IDENT COMMENT ; IDENT ;"},

-- input --
[io] at start of comment.
[io] at start of line.
At end of line: [io]
At end of comment: [io]
-- markdown --

    }

    /**
     * Writes an XML comment.
     * Characters are not XML encoded inside the comment.
     * The start comment delimiter will contain a space if the comment does not start with a blank character.
     * The end comment delimiter will contain a space if the comment does not end with a blank character.
     *
     * @param comment the comment to write
     * @return this writer

	}
	b, err := io.ReadAll(r)
	if err != nil {
		t.Fatalf("ReadAll: %v", err)
	}
	if string(b) != "payload" {
		t.Fatalf("payload is %q, want %q", string(b), "payload")
	}
	if r.Comment != "comment" {
		t.Fatalf("comment is %q, want %q", r.Comment, "comment")
	}
	if string(r.Extra) != "extra" {
		t.Fatalf("extra is %q, want %q", r.Extra, "extra")
	}
	if r.ModTime.Unix() != 1e8 {

	}
	return err
}

func (m *IPSet) AddIP(ip netip.Addr, ipProto uint8, comment string, replace bool) error {
	ipToInsert := ip.Unmap()

	// We have already Unmap'd, so we can do a simple IsV6 y/n check now
	if ipToInsert.Is6() {
		return m.Deps.addIP(m.V6Name, ipToInsert, ipProto, comment, replace)
	}
	return m.Deps.addIP(m.V4Name, ipToInsert, ipProto, comment, replace)
}

func (m *IPSet) DeleteIP(ip netip.Addr, ipProto uint8) error {

	var last *ast.Comment
	for p.commentBefore(next) {
		list := p.comment.List
		changed := false
		if p.lastTok != token.IMPORT && // do not rewrite cgo's import "C" comments
			p.posFor(p.comment.Pos()).Column == 1 &&
			p.posFor(p.comment.End()+1) == next {
			// Unindented comment abutting next token position:
			// a top-level doc comment.
			list = formatDocComment(list)
			changed = true

        - revive
        - stylecheck