ndocs := 0
	ncomments := 0
	ndecls := 0
	filenames := make([]string, len(pkg.Files))
	var minPos, maxPos token.Pos
	i := 0
	for filename, f := range pkg.Files {
		filenames[i] = filename
		i++
		if f.Doc != nil {
			ndocs += len(f.Doc.List) + 1 // +1 for separator
		}
		ncomments += len(f.Comments)
		ndecls += len(f.Decls)
		if i == 0 || f.FileStart < minPos {