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85d793ce88
Setting these on external links prefents the target from manipulating this page by "window.opener" with some widely deployed browsers.
417 lines
12 KiB
Go
417 lines
12 KiB
Go
package setup
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import (
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"fmt"
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"io/ioutil"
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"net/http"
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"text/template"
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"github.com/mholt/caddy/middleware"
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"github.com/mholt/caddy/middleware/browse"
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)
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// Browse configures a new Browse middleware instance.
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func Browse(c *Controller) (middleware.Middleware, error) {
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configs, err := browseParse(c)
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if err != nil {
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return nil, err
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}
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browse := browse.Browse{
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Configs: configs,
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IgnoreIndexes: false,
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}
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return func(next middleware.Handler) middleware.Handler {
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browse.Next = next
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return browse
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}, nil
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}
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func browseParse(c *Controller) ([]browse.Config, error) {
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var configs []browse.Config
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appendCfg := func(bc browse.Config) error {
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for _, c := range configs {
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if c.PathScope == bc.PathScope {
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return fmt.Errorf("duplicate browsing config for %s", c.PathScope)
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}
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}
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configs = append(configs, bc)
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return nil
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}
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for c.Next() {
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var bc browse.Config
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// First argument is directory to allow browsing; default is site root
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if c.NextArg() {
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bc.PathScope = c.Val()
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} else {
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bc.PathScope = "/"
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}
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bc.Root = http.Dir(c.Root)
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theRoot, err := bc.Root.Open("/") // catch a missing path early
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if err != nil {
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return configs, err
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}
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defer theRoot.Close()
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_, err = theRoot.Readdir(-1)
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if err != nil {
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return configs, err
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}
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// Second argument would be the template file to use
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var tplText string
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if c.NextArg() {
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tplBytes, err := ioutil.ReadFile(c.Val())
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if err != nil {
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return configs, err
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}
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tplText = string(tplBytes)
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} else {
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tplText = defaultTemplate
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}
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// Build the template
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tpl, err := template.New("listing").Parse(tplText)
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if err != nil {
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return configs, err
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}
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bc.Template = tpl
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// Save configuration
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err = appendCfg(bc)
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if err != nil {
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return configs, err
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}
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}
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return configs, nil
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}
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// The default template to use when serving up directory listings
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const defaultTemplate = `<!DOCTYPE html>
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<html>
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<head>
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<title>{{.Name}}</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<style>
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* { padding: 0; margin: 0; }
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body {
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font-family: sans-serif;
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text-rendering: optimizespeed;
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}
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a {
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color: #006ed3;
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text-decoration: none;
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}
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a:hover,
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h1 a:hover {
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color: #319cff;
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}
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header,
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#summary {
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padding-left: 5%;
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padding-right: 5%;
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}
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th:first-child,
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td:first-child {
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padding-left: 5%;
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}
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th:last-child,
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td:last-child {
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padding-right: 5%;
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}
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header {
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padding-top: 25px;
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padding-bottom: 15px;
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background-color: #f2f2f2;
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}
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h1 {
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font-size: 20px;
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font-weight: normal;
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white-space: nowrap;
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overflow-x: hidden;
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text-overflow: ellipsis;
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}
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h1 a {
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color: inherit;
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}
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h1 a:hover {
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text-decoration: underline;
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}
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main {
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display: block;
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}
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.meta {
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font-size: 12px;
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font-family: Verdana, sans-serif;
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border-bottom: 1px solid #9C9C9C;
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padding-top: 15px;
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padding-bottom: 15px;
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}
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.meta-item {
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margin-right: 1em;
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}
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table {
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width: 100%;
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border-collapse: collapse;
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}
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tr {
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border-bottom: 1px dashed #dadada;
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}
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tr:not(:first-child):hover {
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background-color: #ffffec;
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}
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th,
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td {
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text-align: left;
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padding: 10px 0;
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}
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th {
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padding-top: 15px;
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padding-bottom: 15px;
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font-size: 16px;
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white-space: nowrap;
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}
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th a {
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color: black;
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}
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th svg {
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vertical-align: middle;
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}
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td {
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font-size: 14px;
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}
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td:first-child {
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width: 50%;
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}
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th:last-child,
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td:last-child {
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text-align: right;
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}
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td:first-child svg {
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position: absolute;
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}
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td .name,
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td .goup {
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margin-left: 1.75em;
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word-break: break-all;
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overflow-wrap: break-word;
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white-space: pre-wrap;
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}
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footer {
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padding: 40px 20px;
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font-size: 12px;
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text-align: center;
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}
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@media (max-width: 600px) {
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.hideable {
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display: none;
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}
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td:first-child {
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width: auto;
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}
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th:nth-child(2),
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td:nth-child(2) {
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padding-right: 5%;
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text-align: right;
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}
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}
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</style>
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</head>
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<body>
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<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="0" width="0" style="position: absolute;">
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<defs>
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<!-- Folder -->
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<linearGradient id="f" y2="640" gradientUnits="userSpaceOnUse" x2="244.84" gradientTransform="matrix(.97319 0 0 1.0135 -.50695 -13.679)" y1="415.75" x1="244.84">
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<stop stop-color="#b3ddfd" offset="0"/>
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<stop stop-color="#69c" offset="1"/>
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</linearGradient>
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<linearGradient id="e" y2="571.06" gradientUnits="userSpaceOnUse" x2="238.03" gradientTransform="translate(0,2)" y1="346.05" x1="236.26">
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<stop stop-color="#ace" offset="0"/>
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<stop stop-color="#369" offset="1"/>
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</linearGradient>
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<g id="folder" transform="translate(-266.06 -193.36)">
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<g transform="matrix(.066019 0 0 .066019 264.2 170.93)">
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<g transform="matrix(1.4738 0 0 1.4738 -52.053 -166.93)">
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<path fill="#69c" d="m98.424 343.78c-11.08 0-20 8.92-20 20v48.5 33.719 105.06c0 11.08 8.92 20 20 20h279.22c11.08 0 20-8.92 20-20v-138.78c0-11.08-8.92-20-20-20h-117.12c-7.5478-1.1844-9.7958-6.8483-10.375-11.312v-5.625-11.562c0-11.08-8.92-20-20-20h-131.72z"/>
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<rect rx="12.885" ry="12.199" height="227.28" width="366.69" y="409.69" x="54.428" fill="#369"/>
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<path fill="url(#e)" d="m98.424 345.78c-11.08 0-20 8.92-20 20v48.5 33.719 105.06c0 11.08 8.92 20 20 20h279.22c11.08 0 20-8.92 20-20v-138.78c0-11.08-8.92-20-20-20h-117.12c-7.5478-1.1844-9.7958-6.8483-10.375-11.312v-5.625-11.562c0-11.08-8.92-20-20-20h-131.72z"/>
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<rect rx="12.885" ry="12.199" height="227.28" width="366.69" y="407.69" x="54.428" fill="url(#f)"/>
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</g>
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</g>
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</g>
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<!-- File -->
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<linearGradient id="a">
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<stop stop-color="#cbcbcb" offset="0"/>
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<stop stop-color="#f0f0f0" offset=".34923"/>
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<stop stop-color="#e2e2e2" offset="1"/>
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</linearGradient>
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<linearGradient id="d" y2="686.15" xlink:href="#a" gradientUnits="userSpaceOnUse" y1="207.83" gradientTransform="matrix(.28346 0 0 .31053 -608.52 485.11)" x2="380.1" x1="749.25"/>
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<linearGradient id="c" y2="287.74" xlink:href="#a" gradientUnits="userSpaceOnUse" y1="169.44" gradientTransform="matrix(.28342 0 0 .31057 -608.52 485.11)" x2="622.33" x1="741.64"/>
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<linearGradient id="b" y2="418.54" gradientUnits="userSpaceOnUse" y1="236.13" gradientTransform="matrix(.29343 0 0 .29999 -608.52 485.11)" x2="330.88" x1="687.96">
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<stop stop-color="#fff" offset="0"/>
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<stop stop-color="#fff" stop-opacity="0" offset="1"/>
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</linearGradient>
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<g id="file" transform="translate(-278.15 -216.59)">
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<g fill-rule="evenodd" transform="matrix(.19775 0 0 .19775 381.05 112.68)">
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<path d="m-520.17 525.5v36.739 36.739 36.739 36.739h33.528 33.528 33.528 33.528v-36.739-36.739-36.739l-33.528-36.739h-33.528-33.528-33.528z" stroke-opacity=".36478" stroke-width=".42649" fill="#fff"/>
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<g>
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<path d="m-520.11 525.68v36.739 36.739 36.739 36.739h33.528 33.528 33.528 33.528v-36.739-36.739-36.739l-33.528-36.739h-33.528-33.528-33.528z" stroke-opacity=".36478" stroke="#000" stroke-width=".42649" fill="url(#d)"/>
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<path d="m-386 562.42c-10.108-2.9925-23.206-2.5682-33.101-0.86253 1.7084-10.962 1.922-24.701-0.4271-35.877l33.528 36.739z" stroke-width=".95407pt" fill="url(#c)"/>
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<path d="m-519.13 537-0.60402 134.7h131.68l0.0755-33.296c-2.9446 1.1325-32.692-40.998-70.141-39.186-37.483 1.8137-27.785-56.777-61.006-62.214z" stroke-width="1pt" fill="url(#b)"/>
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</g>
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</g>
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</g>
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<!-- Up arrow -->
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<g id="up-arrow" transform="translate(-279.22 -208.12)">
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<path transform="matrix(.22413 0 0 .12089 335.67 164.35)" stroke-width="0" d="m-194.17 412.01h-28.827-28.827l14.414-24.965 14.414-24.965 14.414 24.965z"/>
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</g>
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<!-- Down arrow -->
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<g id="down-arrow" transform="translate(-279.22 -208.12)">
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<path transform="matrix(.22413 0 0 -.12089 335.67 257.93)" stroke-width="0" d="m-194.17 412.01h-28.827-28.827l14.414-24.965 14.414-24.965 14.414 24.965z"/>
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</g>
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</defs>
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</svg>
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<header>
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<h1>
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{{range $url, $name := .BreadcrumbMap}}<a href="{{$url}}">{{$name}}</a>{{if ne $url "/"}}/{{end}}{{end}}
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</h1>
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</header>
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<main>
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<div class="meta">
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<div id="summary">
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<span class="meta-item"><b>{{.NumDirs}}</b> director{{if eq 1 .NumDirs}}y{{else}}ies{{end}}</span>
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<span class="meta-item"><b>{{.NumFiles}}</b> file{{if ne 1 .NumFiles}}s{{end}}</span>
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{{- if ne 0 .ItemsLimitedTo}}
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<span class="meta-item">(of which only <b>{{.ItemsLimitedTo}}</b> are displayed)</span>
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{{- end}}
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</div>
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</div>
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<div class="listing">
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<table aria-describedby="summary">
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<thead>
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<tr>
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<th>
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{{- if and (eq .Sort "name") (ne .Order "desc")}}
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<a href="?sort=name&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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{{- else if and (eq .Sort "name") (ne .Order "asc")}}
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<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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{{- else}}
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<a href="?sort=name&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Name</a>
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{{- end}}
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</th>
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<th>
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{{- if and (eq .Sort "size") (ne .Order "desc")}}
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<a href="?sort=size&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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{{- else if and (eq .Sort "size") (ne .Order "asc")}}
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<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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{{- else}}
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<a href="?sort=size&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Size</a>
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{{- end}}
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</th>
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<th class="hideable">
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{{- if and (eq .Sort "time") (ne .Order "desc")}}
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<a href="?sort=time&order=desc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#up-arrow"></use></svg></a>
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{{- else if and (eq .Sort "time") (ne .Order "asc")}}
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<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified <svg width="1em" height=".4em" version="1.1" viewBox="0 0 12.922194 6.0358899"><use xlink:href="#down-arrow"></use></svg></a>
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{{- else}}
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<a href="?sort=time&order=asc{{if ne 0 .ItemsLimitedTo}}&limit={{.ItemsLimitedTo}}{{end}}">Modified</a>
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{{- end}}
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</th>
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</tr>
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</thead>
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<tbody>
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{{- if .CanGoUp}}
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<tr>
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<td>
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<a href="..">
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<span class="goup">Go up</span>
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</a>
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</td>
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<td>—</td>
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<td class="hideable">—</td>
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</tr>
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{{- end}}
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{{- range .Items}}
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<tr>
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<td>
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<a href="{{.URL}}">
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{{- if .IsDir}}
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<svg width="1.5em" height="1em" version="1.1" viewBox="0 0 35.678803 28.527945"><use xlink:href="#folder"></use></svg>
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{{- else}}
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<svg width="1.5em" height="1em" version="1.1" viewBox="0 0 26.604381 29.144726"><use xlink:href="#file"></use></svg>
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{{- end}}
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<span class="name">{{.Name}}</span>
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</a>
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</td>
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{{- if .IsDir}}
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<td data-order="-1">—</td>
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{{- else}}
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<td data-order="{{.Size}}">{{.HumanSize}}</td>
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{{- end}}
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<td class="hideable"><time datetime="{{.HumanModTime "2006-01-02T15:04:05Z"}}">{{.HumanModTime "01/02/2006 03:04:05 PM -07:00"}}</time></td>
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</tr>
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{{- end}}
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</tbody>
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</table>
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</div>
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</main>
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<footer>
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Served with <a rel="noopener noreferrer" href="https://caddyserver.com">Caddy</a>.
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</footer>
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<script type="text/javascript">
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function localizeDatetime(e, index, ar) {
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if (e.textContent === undefined) {
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return;
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}
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var d = new Date(e.getAttribute('datetime'));
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if (isNaN(d)) {
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d = new Date(e.textContent);
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if (isNaN(d)) {
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return;
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}
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}
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e.textContent = d.toLocaleString();
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}
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var timeList = Array.prototype.slice.call(document.getElementsByTagName("time"));
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timeList.forEach(localizeDatetime);
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</script>
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</body>
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</html>`
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