diff --git a/gulpfile.js b/gulpfile.js
index d970981..09e0fae 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -10,10 +10,7 @@ const gulp = require('gulp')
 
 const src = {
   css: ['static/sass/style.scss'],
-  js: [
-    'node_modules/prismjs/prism.js',
-    'node_modules/prismjs/components/prism-json.js'
-  ]
+  js: ['node_modules/prismjs/prism.js', 'node_modules/prismjs/components/prism-json.js']
 }
 
 const dist = {
@@ -24,7 +21,12 @@ const dist = {
   }
 }
 
-gulp.task('css', () => {
+function watch () {
+  gulp.watch(src.css, styles)
+  gulp.watch(src.js, scripts)
+}
+
+const styles = () =>
   gulp
     .src(src.css)
     .pipe(
@@ -37,20 +39,16 @@ gulp.task('css', () => {
     .pipe(strip({ all: true }))
     .pipe(cssnano())
     .pipe(gulp.dest(dist.path))
-})
 
-gulp.task('js', () => {
+const scripts = () =>
   gulp
     .src(src.js)
     .pipe(concat(`${dist.name.js}.min.js`))
     .pipe(uglify())
     .pipe(gulp.dest(dist.path))
-})
 
-gulp.task('build', ['css', 'js'])
+const build = gulp.parallel(styles, scripts)
 
-gulp.task('default', () => {
-  gulp.start(['build'])
-  gulp.watch(src.css, ['css'])
-  gulp.watch(src.js, ['js'])
-})
+module.exports.default = gulp.series(build, watch)
+module.exports.build = build
+module.exports.watch = watch
diff --git a/static/css/style.min.css b/static/css/style.min.css
index 76886e7..ff298da 100644
--- a/static/css/style.min.css
+++ b/static/css/style.min.css
@@ -1 +1 @@
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#e0e0e0;color:#333}.btn-default:focus:not(.btn-ghost),.btn-default:hover{background-color:#dcdcdc;border-color:#dcdcdc}.btn-success{color:#fff;background-color:#4caf50;border:1px solid #4caf50}.btn-success:focus:not(.btn-ghost),.btn-success:hover{background-color:#43a047;border-color:#43a047}.btn-success.btn-ghost{border-color:#4caf50;color:#4caf50}.btn-success.btn-ghost:focus,.btn-success.btn-ghost:hover{border-color:#388e3c;color:#388e3c;z-index:2}.btn-error{color:#fff;background-color:#f44336;border:1px solid #f44336}.btn-error:focus:not(.btn-ghost),.btn-error:hover{background-color:#e53935;border-color:#e53935}.btn-error.btn-ghost{border-color:#f44336;color:#f44336}.btn-error.btn-ghost:focus,.btn-error.btn-ghost:hover{border-color:#d32f2f;color:#d32f2f;z-index:2}.btn-warning{color:#fff;background-color:#ff9800;border:1px solid #ff9800}.btn-warning:focus:not(.btn-ghost),.btn-warning:hover{background-color:#fb8c00;border-color:#fb8c00}.btn-warning.btn-ghost{border-color:#ff9800;color:#ff9800}.btn-warning.btn-ghost:focus,.btn-warning.btn-ghost:hover{border-color:#f57c00;color:#f57c00;z-index:2}.btn-info{color:#fff;background-color:#00bcd4;border:1px solid #00bcd4}.btn-info:focus:not(.btn-ghost),.btn-info:hover{background-color:#00acc1;border-color:#00acc1}.btn-info.btn-ghost{border-color:#00bcd4;color:#00bcd4}.btn-info.btn-ghost:focus,.btn-info.btn-ghost:hover{border-color:#0097a7;color:#0097a7;z-index:2}.btn-primary{color:#fff;background-color:#2196f3;border:1px solid #2196f3}.btn-primary:focus:not(.btn-ghost),.btn-primary:hover{background-color:#1e88e5;border-color:#1e88e5}.btn-primary.btn-ghost{border-color:#2196f3;color:#2196f3}.btn-primary.btn-ghost:focus,.btn-primary.btn-ghost:hover{border-color:#1976d2;color:#1976d2;z-index:2}.btn-group{overflow:auto}.btn-group .btn{float:left}.btn-group .btn-ghost:not(:first-child){margin-left:-1px}.card{border:1px solid #ccc}.card .card-header{color:#333;text-align:center;background-color:#ddd;padding:.5rem 0}.alert{color:#ccc;padding:1rem;border:1px solid #ccc;margin-bottom:1.75rem}.alert-success{color:#4caf50;border-color:#4caf50}.alert-error{color:#f44336;border-color:#f44336}.alert-info{color:#00bcd4;border-color:#00bcd4}.alert-warning{color:#ff9800;border-color:#ff9800}.media:not(:last-child){margin-bottom:1.25rem}.media-left{padding-right:1rem}.media-left,.media-right{display:table-cell;vertical-align:top}.media-right{padding-left:1rem}.media-body{display:table-cell;vertical-align:top}.media-heading{font-size:1.16667rem;font-weight:700}.media-content{margin-top:.3rem}.avatarholder,.placeholder{background-color:#f0f0f0;text-align:center;color:#b9b9b9;font-size:1rem;border:1px solid #f0f0f0}.avatarholder{width:48px;height:48px;line-height:46px;font-size:2rem;background-size:cover;background-position:50%;background-repeat:no-repeat}.avatarholder.rounded{border-radius:33px}.loading{display:inline-block;content:" ";height:20px;width:20px;margin:0 .5rem;animation:a .6s infinite linear;border:2px solid #e91e63;border-right-color:transparent;border-radius:50%}.btn .loading{margin-bottom:0;width:14px;height:14px}.btn div.loading{float:left}.alert .loading{margin-bottom:-5px}@keyframes a{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.menu{width:100%}.menu .menu-item{display:block;color:#616161;border-color:#616161}.menu .menu-item.active,.menu .menu-item:hover{color:#000;border-color:#000;background-color:transparent}@media screen and (max-width:768px){.form-group label{display:block;border-bottom:none;width:100%}.form-group.form-textarea label:after{display:none}.form-control{width:100%}textarea.form-control{border-left:none;padding:.5rem 0}pre::-webkit-scrollbar{height:3px}}@media screen and (max-width:480px){.form{width:100%}}code[class*=language-],pre[class*=language-]{color:#000;background:none;text-shadow:0 1px #fff;font-family:Consolas,Monaco,Andale Mono,Ubuntu Mono,monospace;font-size:1em;text-align:left;white-space:pre;word-spacing:normal;word-break:normal;word-wrap:normal;line-height:1.5;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-hyphens:none;-ms-hyphens:none;hyphens:none}code[class*=language-]::-moz-selection,code[class*=language-] ::-moz-selection,pre[class*=language-]::-moz-selection,pre[class*=language-] ::-moz-selection{text-shadow:none;background:#b3d4fc}code[class*=language-]::selection,code[class*=language-] ::selection,pre[class*=language-]::selection,pre[class*=language-] ::selection{text-shadow:none;background:#b3d4fc}@media print{code[class*=language-],pre[class*=language-]{text-shadow:none}}pre[class*=language-]{padding:1em;margin:.5em 0;overflow:auto}:not(pre)>code[class*=language-],pre[class*=language-]{background:#f5f2f0}:not(pre)>code[class*=language-]{padding:.1em;border-radius:.3em;white-space:normal}.token.cdata,.token.comment,.token.doctype,.token.prolog{color:#708090}.token.punctuation{color:#999}.namespace{opacity:.7}.token.boolean,.token.constant,.token.deleted,.token.number,.token.property,.token.symbol,.token.tag{color:#905}.token.attr-name,.token.builtin,.token.char,.token.inserted,.token.selector,.token.string{color:#690}.language-css .token.string,.style .token.string,.token.entity,.token.operator,.token.url{color:#9a6e3a;background:hsla(0,0%,100%,.5)}.token.atrule,.token.attr-value,.token.keyword{color:#07a}.token.class-name,.token.function{color:#dd4a68}.token.important,.token.regex,.token.variable{color:#e90}.token.bold,.token.important{font-weight:700}.token.italic{font-style:italic}.token.entity{cursor:help}::-moz-selection{background-color:#ffe079;color:#000}::selection{background-color:#ffe079;color:#000}b::-moz-selection,h1::-moz-selection,h2::-moz-selection,h3::-moz-selection,h4::-moz-selection,h5::-moz-selection,h6::-moz-selection,img::-moz-selection{background-color:#ffc533}b::selection,h1::selection,h2::selection,h3::selection,h4::selection,h5::selection,h6::selection,img::selection{background-color:#ffc533}.hack h1+*{margin-top:20px}:not(pre)>code[class*=language-],pre[class*=language-]{background-color:transparent;font-weight:400}code[class*=language-],pre[class*=language-]{color:#999}.hack h1,.hack h2,.hack h3{margin-bottom:2rem;margin-top:4rem}.hack li{margin-bottom:1rem}.container{max-width:590px}.icon-github{color:inherit;text-decoration:none;border:0}
\ No newline at end of file
diff --git a/static/js/main.min.js b/static/js/main.min.js
index 80ce831..ecf2a4d 100644
--- a/static/js/main.min.js
+++ b/static/js/main.min.js
@@ -1,103 +1,98 @@
 var _self =
-    typeof window !== 'undefined'
+    'undefined' != typeof window
       ? window
-      : typeof WorkerGlobalScope !== 'undefined' &&
-        self instanceof WorkerGlobalScope
-        ? self
-        : {},
-  Prism = (function () {
-    var o = /\blang(?:uage)?-([\w-]+)\b/i,
+      : 'undefined' != typeof WorkerGlobalScope && self instanceof WorkerGlobalScope
+      ? self
+      : {},
+  Prism = (function (u) {
+    var c = /\blang(?:uage)?-([\w-]+)\b/i,
       t = 0,
-      O = (_self.Prism = {
-        manual: _self.Prism && _self.Prism.manual,
-        disableWorkerMessageHandler:
-          _self.Prism && _self.Prism.disableWorkerMessageHandler,
+      E = {
+        manual: u.Prism && u.Prism.manual,
+        disableWorkerMessageHandler: u.Prism && u.Prism.disableWorkerMessageHandler,
         util: {
           encode: function (e) {
-            return e instanceof s
-              ? new s(e.type, O.util.encode(e.content), e.alias)
-              : O.util.type(e) === 'Array'
-                ? e.map(O.util.encode)
-                : e
+            return e instanceof N
+              ? new N(e.type, E.util.encode(e.content), e.alias)
+              : Array.isArray(e)
+              ? e.map(E.util.encode)
+              : e
                   .replace(/&/g, '&')
                   .replace(/</g, '&lt;')
                   .replace(/\u00a0/g, ' ')
           },
           type: function (e) {
-            return Object.prototype.toString
-              .call(e)
-              .match(/\[object (\w+)\]/)[1]
+            return Object.prototype.toString.call(e).slice(8, -1)
           },
           objId: function (e) {
-            return (
-              e.__id || Object.defineProperty(e, '__id', { value: ++t }), e.__id
-            )
+            return e.__id || Object.defineProperty(e, '__id', { value: ++t }), e.__id
           },
-          clone: function (e, a) {
-            var t = O.util.type(e)
-            switch (((a = a || {}), t)) {
+          clone: function a (e, n) {
+            var r,
+              t,
+              s = E.util.type(e)
+            switch (((n = n || {}), s)) {
               case 'Object':
-                if (a[O.util.objId(e)]) return a[O.util.objId(e)]
-                var n = {}
-                for (var r in ((a[O.util.objId(e)] = n), e)) { e.hasOwnProperty(r) && (n[r] = O.util.clone(e[r], a)) }
-                return n
+                if (((t = E.util.objId(e)), n[t])) return n[t]
+                for (var i in ((r = {}), (n[t] = r), e)) e.hasOwnProperty(i) && (r[i] = a(e[i], n))
+                return r
               case 'Array':
-                if (a[O.util.objId(e)]) return a[O.util.objId(e)]
-                n = []
                 return (
-                  (a[O.util.objId(e)] = n),
-                  e.forEach(function (e, t) {
-                    n[t] = O.util.clone(e, a)
-                  }),
-                  n
+                  (t = E.util.objId(e)),
+                  n[t]
+                    ? n[t]
+                    : ((r = []),
+                      (n[t] = r),
+                      e.forEach(function (e, t) {
+                        r[t] = a(e, n)
+                      }),
+                      r)
                 )
+              default:
+                return e
             }
-            return e
           }
         },
         languages: {
           extend: function (e, t) {
-            var a = O.util.clone(O.languages[e])
+            var a = E.util.clone(E.languages[e])
             for (var n in t) a[n] = t[n]
             return a
           },
           insertBefore: function (a, e, t, n) {
-            var r = (n = n || O.languages)[a]
-            if (arguments.length == 2) {
-              for (var i in (t = e)) t.hasOwnProperty(i) && (r[i] = t[i])
-              return r
-            }
-            var s = {}
-            for (var l in r) {
-              if (r.hasOwnProperty(l)) {
-                if (l == e) { for (var i in t) t.hasOwnProperty(i) && (s[i] = t[i]) }
-                s[l] = r[l]
+            var r = (n = n || E.languages)[a],
+              s = {}
+            for (var i in r)
+              if (r.hasOwnProperty(i)) {
+                if (i == e) for (var l in t) t.hasOwnProperty(l) && (s[l] = t[l])
+                t.hasOwnProperty(i) || (s[i] = r[i])
               }
-            }
+            var o = n[a]
             return (
-              O.languages.DFS(O.languages, function (e, t) {
-                t === n[a] && e != a && (this[e] = s)
+              (n[a] = s),
+              E.languages.DFS(E.languages, function (e, t) {
+                t === o && e != a && (this[e] = s)
               }),
-              (n[a] = s)
+              s
             )
           },
-          DFS: function (e, t, a, n) {
-            for (var r in ((n = n || {}), e)) {
-              e.hasOwnProperty(r) &&
-                (t.call(e, r, e[r], a || r),
-                O.util.type(e[r]) !== 'Object' || n[O.util.objId(e[r])]
-                  ? O.util.type(e[r]) !== 'Array' ||
-                    n[O.util.objId(e[r])] ||
-                    ((n[O.util.objId(e[r])] = !0),
-                    O.languages.DFS(e[r], t, r, n))
-                  : ((n[O.util.objId(e[r])] = !0),
-                  O.languages.DFS(e[r], t, null, n)))
-            }
+          DFS: function e (t, a, n, r) {
+            r = r || {}
+            var s = E.util.objId
+            for (var i in t)
+              if (t.hasOwnProperty(i)) {
+                a.call(t, i, t[i], n || i)
+                var l = t[i],
+                  o = E.util.type(l)
+                'Object' !== o || r[s(l)]
+                  ? 'Array' !== o || r[s(l)] || ((r[s(l)] = !0), e(l, a, i, r))
+                  : ((r[s(l)] = !0), e(l, a, null, r))
+              }
           }
         },
         plugins: {},
         highlightAll: function (e, t) {
-          O.highlightAllUnder(document, e, t)
+          E.highlightAllUnder(document, e, t)
         },
         highlightAllUnder: function (e, t, a) {
           var n = {
@@ -105,178 +100,155 @@ var _self =
             selector:
               'code[class*="language-"], [class*="language-"] code, code[class*="lang-"], [class*="lang-"] code'
           }
-          O.hooks.run('before-highlightall', n)
-          for (
-            var r, i = n.elements || e.querySelectorAll(n.selector), s = 0;
-            (r = i[s++]);
-
-          ) { O.highlightElement(r, !0 === t, n.callback) }
+          E.hooks.run('before-highlightall', n)
+          for (var r, s = n.elements || e.querySelectorAll(n.selector), i = 0; (r = s[i++]); )
+            E.highlightElement(r, !0 === t, n.callback)
         },
         highlightElement: function (e, t, a) {
-          for (var n, r, i = e; i && !o.test(i.className);) i = i.parentNode
-          i &&
-            ((n = (i.className.match(o) || [, ''])[1].toLowerCase()),
-            (r = O.languages[n])),
-          (e.className =
-              e.className.replace(o, '').replace(/\s+/g, ' ') +
-              ' language-' +
-              n),
-          e.parentNode &&
-              ((i = e.parentNode),
-              /pre/i.test(i.nodeName) &&
-                (i.className =
-                  i.className.replace(o, '').replace(/\s+/g, ' ') +
-                  ' language-' +
-                  n))
-          var s = { element: e, language: n, grammar: r, code: e.textContent }
-          if ((O.hooks.run('before-sanity-check', s), !s.code || !s.grammar)) {
-            return (
-              s.code &&
-                (O.hooks.run('before-highlight', s),
-                (s.element.textContent = s.code),
-                O.hooks.run('after-highlight', s)),
-              void O.hooks.run('complete', s)
-            )
-          }
-          if ((O.hooks.run('before-highlight', s), t && _self.Worker)) {
-            var l = new Worker(O.filename)
-            ;(l.onmessage = function (e) {
-              ;(s.highlightedCode = e.data),
-              O.hooks.run('before-insert', s),
-              (s.element.innerHTML = s.highlightedCode),
-              a && a.call(s.element),
-              O.hooks.run('after-highlight', s),
-              O.hooks.run('complete', s)
-            }),
-            l.postMessage(
-              JSON.stringify({
-                language: s.language,
-                code: s.code,
-                immediateClose: !0
-              })
-            )
-          } else {
-            (s.highlightedCode = O.highlight(s.code, s.grammar, s.language)),
-            O.hooks.run('before-insert', s),
-            (s.element.innerHTML = s.highlightedCode),
-            a && a.call(e),
-            O.hooks.run('after-highlight', s),
-            O.hooks.run('complete', s)
+          for (var n, r, s = e; s && !c.test(s.className); ) s = s.parentNode
+          s && ((n = (s.className.match(c) || [, ''])[1].toLowerCase()), (r = E.languages[n])),
+            (e.className = e.className.replace(c, '').replace(/\s+/g, ' ') + ' language-' + n),
+            e.parentNode &&
+              ((s = e.parentNode),
+              /pre/i.test(s.nodeName) &&
+                (s.className = s.className.replace(c, '').replace(/\s+/g, ' ') + ' language-' + n))
+          function i (e) {
+            ;(l.highlightedCode = e),
+              E.hooks.run('before-insert', l),
+              (l.element.innerHTML = l.highlightedCode),
+              E.hooks.run('after-highlight', l),
+              E.hooks.run('complete', l),
+              a && a.call(l.element)
           }
+          var l = { element: e, language: n, grammar: r, code: e.textContent }
+          if ((E.hooks.run('before-sanity-check', l), l.code))
+            if ((E.hooks.run('before-highlight', l), l.grammar))
+              if (t && u.Worker) {
+                var o = new Worker(E.filename)
+                ;(o.onmessage = function (e) {
+                  i(e.data)
+                }),
+                  o.postMessage(
+                    JSON.stringify({ language: l.language, code: l.code, immediateClose: !0 })
+                  )
+              } else i(E.highlight(l.code, l.grammar, l.language))
+            else i(E.util.encode(l.code))
+          else E.hooks.run('complete', l)
         },
         highlight: function (e, t, a) {
           var n = { code: e, grammar: t, language: a }
           return (
-            O.hooks.run('before-tokenize', n),
-            (n.tokens = O.tokenize(n.code, n.grammar)),
-            O.hooks.run('after-tokenize', n),
-            s.stringify(O.util.encode(n.tokens), n.language)
+            E.hooks.run('before-tokenize', n),
+            (n.tokens = E.tokenize(n.code, n.grammar)),
+            E.hooks.run('after-tokenize', n),
+            N.stringify(E.util.encode(n.tokens), n.language)
           )
         },
-        matchGrammar: function (e, t, a, n, r, i, s) {
-          var l = O.Token
-          for (var o in a) {
-            if (a.hasOwnProperty(o) && a[o]) {
-              if (o == s) return
-              var u = a[o]
-              u = O.util.type(u) === 'Array' ? u : [u]
-              for (var g = 0; g < u.length; ++g) {
-                var c = u[g],
-                  d = c.inside,
-                  p = !!c.lookbehind,
-                  m = !!c.greedy,
-                  h = 0,
+        matchGrammar: function (e, t, a, n, r, s, i) {
+          for (var l in a)
+            if (a.hasOwnProperty(l) && a[l]) {
+              if (l == i) return
+              var o = a[l]
+              o = 'Array' === E.util.type(o) ? o : [o]
+              for (var u = 0; u < o.length; ++u) {
+                var c = o[u],
+                  g = c.inside,
+                  d = !!c.lookbehind,
+                  p = !!c.greedy,
+                  m = 0,
                   f = c.alias
-                if (m && !c.pattern.global) {
-                  var b = c.pattern.toString().match(/[imuy]*$/)[0]
-                  c.pattern = RegExp(c.pattern.source, b + 'g')
+                if (p && !c.pattern.global) {
+                  var h = c.pattern.toString().match(/[imuy]*$/)[0]
+                  c.pattern = RegExp(c.pattern.source, h + 'g')
                 }
                 c = c.pattern || c
-                for (var y = n, k = r; y < t.length; k += t[y].length, ++y) {
-                  var v = t[y]
+                for (var b = n, y = r; b < t.length; y += t[b].length, ++b) {
+                  var F = t[b]
                   if (t.length > e.length) return
-                  if (!(v instanceof l)) {
-                    if (m && y != t.length - 1) {
-                      if (((c.lastIndex = k), !(S = c.exec(e)))) break
+                  if (!(F instanceof N)) {
+                    if (p && b != t.length - 1) {
+                      if (((c.lastIndex = y), !(P = c.exec(e)))) break
                       for (
-                        var P = S.index + (p ? S[1].length : 0),
-                          w = S.index + S[0].length,
-                          F = y,
-                          x = k,
-                          A = t.length;
-                        F < A && (x < w || (!t[F].type && !t[F - 1].greedy));
-                        ++F
-                      ) { (x += t[F].length) <= P && (++y, (k = x)) }
-                      if (t[y] instanceof l) continue
-                      ;(j = F - y), (v = e.slice(k, x)), (S.index -= k)
+                        var v = P.index + (d ? P[1].length : 0),
+                          k = P.index + P[0].length,
+                          w = b,
+                          A = y,
+                          x = t.length;
+                        w < x && (A < k || (!t[w].type && !t[w - 1].greedy));
+                        ++w
+                      )
+                        (A += t[w].length) <= v && (++b, (y = A))
+                      if (t[b] instanceof N) continue
+                      ;(S = w - b), (F = e.slice(y, A)), (P.index -= y)
                     } else {
                       c.lastIndex = 0
-                      var S = c.exec(v),
-                        j = 1
+                      var P = c.exec(F),
+                        S = 1
                     }
-                    if (S) {
-                      p && (h = S[1] ? S[1].length : 0)
-                      w = (P = S.index + h) + (S = S[0].slice(h)).length
-                      var _ = v.slice(0, P),
-                        C = v.slice(w),
-                        E = [y, j]
-                      _ && (++y, (k += _.length), E.push(_))
-                      var N = new l(o, d ? O.tokenize(S, d) : S, f, S, m)
+                    if (P) {
+                      d && (m = P[1] ? P[1].length : 0)
+                      k = (v = P.index + m) + (P = P[0].slice(m)).length
+                      var $ = F.slice(0, v),
+                        j = F.slice(k),
+                        _ = [b, S]
+                      $ && (++b, (y += $.length), _.push($))
+                      var C = new N(l, g ? E.tokenize(P, g) : P, f, P, p)
                       if (
-                        (E.push(N),
-                        C && E.push(C),
-                        Array.prototype.splice.apply(t, E),
-                        j != 1 && O.matchGrammar(e, t, a, y, k, !0, o),
-                        i)
-                      ) { break }
-                    } else if (i) break
+                        (_.push(C),
+                        j && _.push(j),
+                        Array.prototype.splice.apply(t, _),
+                        1 != S && E.matchGrammar(e, t, a, b, y, !0, l),
+                        s)
+                      )
+                        break
+                    } else if (s) break
                   }
                 }
               }
             }
-          }
         },
-        tokenize: function (e, t, a) {
-          var n = [e],
-            r = t.rest
-          if (r) {
-            for (var i in r) t[i] = r[i]
+        tokenize: function (e, t) {
+          var a = [e],
+            n = t.rest
+          if (n) {
+            for (var r in n) t[r] = n[r]
             delete t.rest
           }
-          return O.matchGrammar(e, n, t, 0, 0, !1), n
+          return E.matchGrammar(e, a, t, 0, 0, !1), a
         },
         hooks: {
           all: {},
           add: function (e, t) {
-            var a = O.hooks.all
+            var a = E.hooks.all
             ;(a[e] = a[e] || []), a[e].push(t)
           },
           run: function (e, t) {
-            var a = O.hooks.all[e]
-            if (a && a.length) for (var n, r = 0; (n = a[r++]);) n(t)
+            var a = E.hooks.all[e]
+            if (a && a.length) for (var n, r = 0; (n = a[r++]); ) n(t)
           }
-        }
-      }),
-      s = (O.Token = function (e, t, a, n, r) {
-        ;(this.type = e),
+        },
+        Token: N
+      }
+    function N (e, t, a, n, r) {
+      ;(this.type = e),
         (this.content = t),
         (this.alias = a),
         (this.length = 0 | (n || '').length),
         (this.greedy = !!r)
-      })
+    }
     if (
-      ((s.stringify = function (t, a, e) {
-        if (typeof t === 'string') return t
-        if (O.util.type(t) === 'Array') {
+      ((u.Prism = E),
+      (N.stringify = function (t, a, e) {
+        if ('string' == typeof t) return t
+        if (Array.isArray(t))
           return t
             .map(function (e) {
-              return s.stringify(e, a, t)
+              return N.stringify(e, a, t)
             })
             .join('')
-        }
         var n = {
           type: t.type,
-          content: s.stringify(t.content, a, e),
+          content: N.stringify(t.content, a, e),
           tag: 'span',
           classes: ['token', t.type],
           attributes: {},
@@ -284,15 +256,13 @@ var _self =
           parent: e
         }
         if (t.alias) {
-          var r = O.util.type(t.alias) === 'Array' ? t.alias : [t.alias]
+          var r = Array.isArray(t.alias) ? t.alias : [t.alias]
           Array.prototype.push.apply(n.classes, r)
         }
-        O.hooks.run('wrap', n)
-        var i = Object.keys(n.attributes)
+        E.hooks.run('wrap', n)
+        var s = Object.keys(n.attributes)
           .map(function (e) {
-            return (
-              e + '="' + (n.attributes[e] || '').replace(/"/g, '&quot;') + '"'
-            )
+            return e + '="' + (n.attributes[e] || '').replace(/"/g, '&quot;') + '"'
           })
           .join(' ')
         return (
@@ -301,7 +271,7 @@ var _self =
           ' class="' +
           n.classes.join(' ') +
           '"' +
-          (i ? ' ' + i : '') +
+          (s ? ' ' + s : '') +
           '>' +
           n.content +
           '</' +
@@ -309,203 +279,229 @@ var _self =
           '>'
         )
       }),
-      !_self.document)
-    ) {
+      !u.document)
+    )
       return (
-        _self.addEventListener &&
-          (O.disableWorkerMessageHandler ||
-            _self.addEventListener(
+        u.addEventListener &&
+          (E.disableWorkerMessageHandler ||
+            u.addEventListener(
               'message',
               function (e) {
                 var t = JSON.parse(e.data),
                   a = t.language,
                   n = t.code,
                   r = t.immediateClose
-                _self.postMessage(O.highlight(n, O.languages[a], a)),
-                r && _self.close()
+                u.postMessage(E.highlight(n, E.languages[a], a)), r && u.close()
               },
               !1
             )),
-        _self.Prism
+        E
       )
-    }
-    var e =
-      document.currentScript ||
-      [].slice.call(document.getElementsByTagName('script')).pop()
+    var e = document.currentScript || [].slice.call(document.getElementsByTagName('script')).pop()
     return (
       e &&
-        ((O.filename = e.src),
-        O.manual ||
+        ((E.filename = e.src),
+        E.manual ||
           e.hasAttribute('data-manual') ||
-          (document.readyState !== 'loading'
+          ('loading' !== document.readyState
             ? window.requestAnimationFrame
-              ? window.requestAnimationFrame(O.highlightAll)
-              : window.setTimeout(O.highlightAll, 16)
-            : document.addEventListener('DOMContentLoaded', O.highlightAll))),
-      _self.Prism
+              ? window.requestAnimationFrame(E.highlightAll)
+              : window.setTimeout(E.highlightAll, 16)
+            : document.addEventListener('DOMContentLoaded', E.highlightAll))),
+      E
     )
-  })()
-typeof module !== 'undefined' && module.exports && (module.exports = Prism),
-typeof global !== 'undefined' && (global.Prism = Prism),
-(Prism.languages.markup = {
-  comment: /<!--[\s\S]*?-->/,
-  prolog: /<\?[\s\S]+?\?>/,
-  doctype: /<!DOCTYPE[\s\S]+?>/i,
-  cdata: /<!\[CDATA\[[\s\S]*?]]>/i,
-  tag: {
-    pattern: /<\/?(?!\d)[^\s>\/=$<%]+(?:\s+[^\s>\/=]+(?:=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+))?)*\s*\/?>/i,
-    greedy: !0,
-    inside: {
-      tag: {
-        pattern: /^<\/?[^\s>\/]+/i,
-        inside: { punctuation: /^<\/?/, namespace: /^[^\s>\/:]+:/ }
-      },
-      'attr-value': {
-        pattern: /=(?:("|')(?:\\[\s\S]|(?!\1)[^\\])*\1|[^\s'">=]+)/i,
-        inside: {
-          punctuation: [/^=/, { pattern: /(^|[^\\])["']/, lookbehind: !0 }]
-        }
-      },
-      punctuation: /\/?>/,
-      'attr-name': {
-        pattern: /[^\s>\/]+/,
-        inside: { namespace: /^[^\s>\/:]+:/ }
+  })(_self)
+'undefined' != typeof module && module.exports && (module.exports = Prism),
+  'undefined' != typeof global && (global.Prism = Prism),
+  (Prism.languages.markup = {
+    comment: /<!--[\s\S]*?-->/,
+    prolog: /<\?[\s\S]+?\?>/,
+    doctype: /<!DOCTYPE[\s\S]+?>/i,
+    cdata: /<!\[CDATA\[[\s\S]*?]]>/i,
+    tag: {
+      pattern: /<\/?(?!\d)[^\s>\/=$<%]+(?:\s(?:\s*[^\s>\/=]+(?:\s*=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+(?=[\s>]))|(?=[\s/>])))+)?\s*\/?>/i,
+      greedy: !0,
+      inside: {
+        tag: {
+          pattern: /^<\/?[^\s>\/]+/i,
+          inside: { punctuation: /^<\/?/, namespace: /^[^\s>\/:]+:/ }
+        },
+        'attr-value': {
+          pattern: /=\s*(?:"[^"]*"|'[^']*'|[^\s'">=]+)/i,
+          inside: { punctuation: [/^=/, { pattern: /^(\s*)["']|["']$/, lookbehind: !0 }] }
+        },
+        punctuation: /\/?>/,
+        'attr-name': { pattern: /[^\s>\/]+/, inside: { namespace: /^[^\s>\/:]+:/ } }
       }
-    }
-  },
-  entity: /&#?[\da-z]{1,8};/i
-}),
-(Prism.languages.markup.tag.inside['attr-value'].inside.entity =
-    Prism.languages.markup.entity),
-Prism.hooks.add('wrap', function (e) {
-  e.type === 'entity' &&
-      (e.attributes.title = e.content.replace(/&amp;/, '&'))
-}),
-(Prism.languages.xml = Prism.languages.markup),
-(Prism.languages.html = Prism.languages.markup),
-(Prism.languages.mathml = Prism.languages.markup),
-(Prism.languages.svg = Prism.languages.markup),
-(Prism.languages.css = {
-  comment: /\/\*[\s\S]*?\*\//,
-  atrule: {
-    pattern: /@[\w-]+?.*?(?:;|(?=\s*\{))/i,
-    inside: { rule: /@[\w-]+/ }
-  },
-  url: /url\((?:(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1|.*?)\)/i,
-  selector: /[^{}\s][^{};]*?(?=\s*\{)/,
-  string: {
-    pattern: /("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
-    greedy: !0
-  },
-  property: /[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*(?=\s*:)/i,
-  important: /\B!important\b/i,
-  function: /[-a-z0-9]+(?=\()/i,
-  punctuation: /[(){};:]/
-}),
-(Prism.languages.css.atrule.inside.rest = Prism.languages.css),
-Prism.languages.markup &&
-    (Prism.languages.insertBefore('markup', 'tag', {
-      style: {
-        pattern: /(<style[\s\S]*?>)[\s\S]*?(?=<\/style>)/i,
+    },
+    entity: /&#?[\da-z]{1,8};/i
+  }),
+  (Prism.languages.markup.tag.inside['attr-value'].inside.entity = Prism.languages.markup.entity),
+  Prism.hooks.add('wrap', function (e) {
+    'entity' === e.type && (e.attributes.title = e.content.replace(/&amp;/, '&'))
+  }),
+  Object.defineProperty(Prism.languages.markup.tag, 'addInlined', {
+    value: function (e, t) {
+      var a = {}
+      ;(a['language-' + t] = {
+        pattern: /(^<!\[CDATA\[)[\s\S]+?(?=\]\]>$)/i,
         lookbehind: !0,
-        inside: Prism.languages.css,
-        alias: 'language-css',
-        greedy: !0
-      }
+        inside: Prism.languages[t]
+      }),
+        (a.cdata = /^<!\[CDATA\[|\]\]>$/i)
+      var n = { 'included-cdata': { pattern: /<!\[CDATA\[[\s\S]*?\]\]>/i, inside: a } }
+      n['language-' + t] = { pattern: /[\s\S]+/, inside: Prism.languages[t] }
+      var r = {}
+      ;(r[e] = {
+        pattern: RegExp(
+          /(<__[\s\S]*?>)(?:<!\[CDATA\[[\s\S]*?\]\]>\s*|[\s\S])*?(?=<\/__>)/.source.replace(
+            /__/g,
+            e
+          ),
+          'i'
+        ),
+        lookbehind: !0,
+        greedy: !0,
+        inside: n
+      }),
+        Prism.languages.insertBefore('markup', 'cdata', r)
+    }
+  }),
+  (Prism.languages.xml = Prism.languages.extend('markup', {})),
+  (Prism.languages.html = Prism.languages.markup),
+  (Prism.languages.mathml = Prism.languages.markup),
+  (Prism.languages.svg = Prism.languages.markup),
+  (function (e) {
+    var t = /("|')(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/
+    ;(e.languages.css = {
+      comment: /\/\*[\s\S]*?\*\//,
+      atrule: { pattern: /@[\w-]+?[\s\S]*?(?:;|(?=\s*\{))/i, inside: { rule: /@[\w-]+/ } },
+      url: RegExp('url\\((?:' + t.source + '|.*?)\\)', 'i'),
+      selector: RegExp('[^{}\\s](?:[^{};"\']|' + t.source + ')*?(?=\\s*\\{)'),
+      string: { pattern: t, greedy: !0 },
+      property: /[-_a-z\xA0-\uFFFF][-\w\xA0-\uFFFF]*(?=\s*:)/i,
+      important: /!important\b/i,
+      function: /[-a-z0-9]+(?=\()/i,
+      punctuation: /[(){};:,]/
     }),
-    Prism.languages.insertBefore(
-      'inside',
-      'attr-value',
-      {
-        'style-attr': {
-          pattern: /\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,
-          inside: {
-            'attr-name': {
-              pattern: /^\s*style/i,
-              inside: Prism.languages.markup.tag.inside
+      (e.languages.css.atrule.inside.rest = e.languages.css)
+    var a = e.languages.markup
+    a &&
+      (a.tag.addInlined('style', 'css'),
+      e.languages.insertBefore(
+        'inside',
+        'attr-value',
+        {
+          'style-attr': {
+            pattern: /\s*style=("|')(?:\\[\s\S]|(?!\1)[^\\])*\1/i,
+            inside: {
+              'attr-name': { pattern: /^\s*style/i, inside: a.tag.inside },
+              punctuation: /^\s*=\s*['"]|['"]\s*$/,
+              'attr-value': { pattern: /.+/i, inside: e.languages.css }
             },
-            punctuation: /^\s*=\s*['"]|['"]\s*$/,
-            'attr-value': { pattern: /.+/i, inside: Prism.languages.css }
-          },
-          alias: 'language-css'
-        }
+            alias: 'language-css'
+          }
+        },
+        a.tag
+      ))
+  })(Prism),
+  (Prism.languages.clike = {
+    comment: [
+      { pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/, lookbehind: !0 },
+      { pattern: /(^|[^\\:])\/\/.*/, lookbehind: !0, greedy: !0 }
+    ],
+    string: { pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/, greedy: !0 },
+    'class-name': {
+      pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[\w.\\]+/i,
+      lookbehind: !0,
+      inside: { punctuation: /[.\\]/ }
+    },
+    keyword: /\b(?:if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
+    boolean: /\b(?:true|false)\b/,
+    function: /\w+(?=\()/,
+    number: /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,
+    operator: /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
+    punctuation: /[{}[\];(),.:]/
+  }),
+  (Prism.languages.javascript = Prism.languages.extend('clike', {
+    'class-name': [
+      Prism.languages.clike['class-name'],
+      {
+        pattern: /(^|[^$\w\xA0-\uFFFF])[_$A-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\.(?:prototype|constructor))/,
+        lookbehind: !0
+      }
+    ],
+    keyword: [
+      { pattern: /((?:^|})\s*)(?:catch|finally)\b/, lookbehind: !0 },
+      {
+        pattern: /(^|[^.])\b(?:as|async(?=\s*(?:function\b|\(|[$\w\xA0-\uFFFF]|$))|await|break|case|class|const|continue|debugger|default|delete|do|else|enum|export|extends|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|undefined|var|void|while|with|yield)\b/,
+        lookbehind: !0
+      }
+    ],
+    number: /\b(?:(?:0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+)n?|\d+n|NaN|Infinity)\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee][+-]?\d+)?/,
+    function: /[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*(?:\.\s*(?:apply|bind|call)\s*)?\()/,
+    operator: /-[-=]?|\+[+=]?|!=?=?|<<?=?|>>?>?=?|=(?:==?|>)?|&[&=]?|\|[|=]?|\*\*?=?|\/=?|~|\^=?|%=?|\?|\.{3}/
+  })),
+  (Prism.languages.javascript[
+    'class-name'
+  ][0].pattern = /(\b(?:class|interface|extends|implements|instanceof|new)\s+)[\w.\\]+/),
+  Prism.languages.insertBefore('javascript', 'keyword', {
+    regex: {
+      pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s])\s*)\/(\[(?:[^\]\\\r\n]|\\.)*]|\\.|[^/\\\[\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})\]]))/,
+      lookbehind: !0,
+      greedy: !0
+    },
+    'function-variable': {
+      pattern: /[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*[=:]\s*(?:async\s*)?(?:\bfunction\b|(?:\((?:[^()]|\([^()]*\))*\)|[_$a-zA-Z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/,
+      alias: 'function'
+    },
+    parameter: [
+      {
+        pattern: /(function(?:\s+[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)?\s*\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\))/,
+        lookbehind: !0,
+        inside: Prism.languages.javascript
       },
-      Prism.languages.markup.tag
-    )),
-(Prism.languages.clike = {
-  comment: [
-    { pattern: /(^|[^\\])\/\*[\s\S]*?(?:\*\/|$)/, lookbehind: !0 },
-    { pattern: /(^|[^\\:])\/\/.*/, lookbehind: !0, greedy: !0 }
-  ],
-  string: {
-    pattern: /(["'])(?:\\(?:\r\n|[\s\S])|(?!\1)[^\\\r\n])*\1/,
-    greedy: !0
-  },
-  'class-name': {
-    pattern: /((?:\b(?:class|interface|extends|implements|trait|instanceof|new)\s+)|(?:catch\s+\())[\w.\\]+/i,
-    lookbehind: !0,
-    inside: { punctuation: /[.\\]/ }
-  },
-  keyword: /\b(?:if|else|while|do|for|return|in|instanceof|function|new|try|throw|catch|finally|null|break|continue)\b/,
-  boolean: /\b(?:true|false)\b/,
-  function: /[a-z0-9_]+(?=\()/i,
-  number: /\b0x[\da-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:e[+-]?\d+)?/i,
-  operator: /--?|\+\+?|!=?=?|<=?|>=?|==?=?|&&?|\|\|?|\?|\*|\/|~|\^|%/,
-  punctuation: /[{}[\];(),.:]/
-}),
-(Prism.languages.javascript = Prism.languages.extend('clike', {
-  keyword: /\b(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|var|void|while|with|yield)\b/,
-  number: /\b(?:0[xX][\dA-Fa-f]+|0[bB][01]+|0[oO][0-7]+|NaN|Infinity)\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee][+-]?\d+)?/,
-  function: /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*\()/i,
-  operator: /-[-=]?|\+[+=]?|!=?=?|<<?=?|>>?>?=?|=(?:==?|>)?|&[&=]?|\|[|=]?|\*\*?=?|\/=?|~|\^=?|%=?|\?|\.{3}/
-})),
-Prism.languages.insertBefore('javascript', 'keyword', {
-  regex: {
-    pattern: /((?:^|[^$\w\xA0-\uFFFF."'\])\s])\s*)\/(\[[^\]\r\n]+]|\\.|[^/\\\[\r\n])+\/[gimyu]{0,5}(?=\s*($|[\r\n,.;})]))/,
-    lookbehind: !0,
-    greedy: !0
-  },
-  'function-variable': {
-    pattern: /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*=\s*(?:function\b|(?:\([^()]*\)|[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*)\s*=>))/i,
-    alias: 'function'
-  },
-  constant: /\b[A-Z][A-Z\d_]*\b/
-}),
-Prism.languages.insertBefore('javascript', 'string', {
-  'template-string': {
-    pattern: /`(?:\\[\s\S]|[^\\`])*`/,
-    greedy: !0,
-    inside: {
-      interpolation: {
-        pattern: /\$\{[^}]+\}/,
-        inside: {
-          'interpolation-punctuation': {
-            pattern: /^\$\{|\}$/,
-            alias: 'punctuation'
-          },
-          rest: Prism.languages.javascript
-        }
+      {
+        pattern: /[_$a-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*(?=\s*=>)/i,
+        inside: Prism.languages.javascript
       },
-      string: /[\s\S]+/
-    }
-  }
-}),
-Prism.languages.markup &&
-    Prism.languages.insertBefore('markup', 'tag', {
-      script: {
-        pattern: /(<script[\s\S]*?>)[\s\S]*?(?=<\/script>)/i,
+      {
+        pattern: /(\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*=>)/,
         lookbehind: !0,
-        inside: Prism.languages.javascript,
-        alias: 'language-javascript',
-        greedy: !0
+        inside: Prism.languages.javascript
+      },
+      {
+        pattern: /((?:\b|\s|^)(?!(?:as|async|await|break|case|catch|class|const|continue|debugger|default|delete|do|else|enum|export|extends|finally|for|from|function|get|if|implements|import|in|instanceof|interface|let|new|null|of|package|private|protected|public|return|set|static|super|switch|this|throw|try|typeof|undefined|var|void|while|with|yield)(?![$\w\xA0-\uFFFF]))(?:[_$A-Za-z\xA0-\uFFFF][$\w\xA0-\uFFFF]*\s*)\(\s*)(?!\s)(?:[^()]|\([^()]*\))+?(?=\s*\)\s*\{)/,
+        lookbehind: !0,
+        inside: Prism.languages.javascript
       }
-    }),
-(Prism.languages.js = Prism.languages.javascript),
-typeof self !== 'undefined' &&
+    ],
+    constant: /\b[A-Z](?:[A-Z_]|\dx?)*\b/
+  }),
+  Prism.languages.insertBefore('javascript', 'string', {
+    'template-string': {
+      pattern: /`(?:\\[\s\S]|\${[^}]+}|[^\\`])*`/,
+      greedy: !0,
+      inside: {
+        interpolation: {
+          pattern: /\${[^}]+}/,
+          inside: {
+            'interpolation-punctuation': { pattern: /^\${|}$/, alias: 'punctuation' },
+            rest: Prism.languages.javascript
+          }
+        },
+        string: /[\s\S]+/
+      }
+    }
+  }),
+  Prism.languages.markup && Prism.languages.markup.tag.addInlined('script', 'javascript'),
+  (Prism.languages.js = Prism.languages.javascript),
+  'undefined' != typeof self &&
     self.Prism &&
     self.document &&
     document.querySelector &&
-    ((self.Prism.fileHighlight = function () {
+    ((self.Prism.fileHighlight = function (e) {
+      e = e || document
       var o = {
         js: 'javascript',
         py: 'python',
@@ -517,65 +513,69 @@ typeof self !== 'undefined' &&
         h: 'c',
         tex: 'latex'
       }
-      Array.prototype.slice
-        .call(document.querySelectorAll('pre[data-src]'))
-        .forEach(function (t) {
+      Array.prototype.slice.call(e.querySelectorAll('pre[data-src]')).forEach(function (e) {
+        if (!e.hasAttribute('data-src-loaded')) {
           for (
-            var e,
-              a = t.getAttribute('data-src'),
-              n = t,
-              r = /\blang(?:uage)?-(?!\*)([\w-]+)\b/i;
+            var t, a = e.getAttribute('data-src'), n = e, r = /\blang(?:uage)?-([\w-]+)\b/i;
             n && !r.test(n.className);
 
-          ) { n = n.parentNode }
-          if ((n && (e = (t.className.match(r) || [, ''])[1]), !e)) {
-            var i = (a.match(/\.(\w+)$/) || [, ''])[1]
-            e = o[i] || i
+          )
+            n = n.parentNode
+          if ((n && (t = (e.className.match(r) || [, ''])[1]), !t)) {
+            var s = (a.match(/\.(\w+)$/) || [, ''])[1]
+            t = o[s] || s
           }
-          var s = document.createElement('code')
-          ;(s.className = 'language-' + e),
-          (t.textContent = ''),
-          (s.textContent = 'Loading…'),
-          t.appendChild(s)
+          var i = document.createElement('code')
+          ;(i.className = 'language-' + t),
+            (e.textContent = ''),
+            (i.textContent = 'Loading…'),
+            e.appendChild(i)
           var l = new XMLHttpRequest()
           l.open('GET', a, !0),
-          (l.onreadystatechange = function () {
-            l.readyState == 4 &&
+            (l.onreadystatechange = function () {
+              4 == l.readyState &&
                 (l.status < 400 && l.responseText
-                  ? ((s.textContent = l.responseText),
-                  Prism.highlightElement(s))
-                  : l.status >= 400
-                    ? (s.textContent =
-                        '✖ Error ' +
-                        l.status +
-                        ' while fetching file: ' +
-                        l.statusText)
-                    : (s.textContent =
-                        '✖ Error: File does not exist or is empty'))
-          }),
-          t.hasAttribute('data-download-link') &&
-              Prism.plugins.toolbar &&
-              Prism.plugins.toolbar.registerButton('download-file', function () {
-                var e = document.createElement('a')
-                return (
-                  (e.textContent =
-                    t.getAttribute('data-download-link-label') || 'Download'),
-                  e.setAttribute('download', ''),
-                  (e.href = a),
-                  e
-                )
-              }),
-          l.send(null)
-        })
+                  ? ((i.textContent = l.responseText),
+                    Prism.highlightElement(i),
+                    e.setAttribute('data-src-loaded', ''))
+                  : 400 <= l.status
+                  ? (i.textContent =
+                      '✖ Error ' + l.status + ' while fetching file: ' + l.statusText)
+                  : (i.textContent = '✖ Error: File does not exist or is empty'))
+            }),
+            l.send(null)
+        }
+      }),
+        Prism.plugins.toolbar &&
+          Prism.plugins.toolbar.registerButton('download-file', function (e) {
+            var t = e.element.parentNode
+            if (
+              t &&
+              /pre/i.test(t.nodeName) &&
+              t.hasAttribute('data-src') &&
+              t.hasAttribute('data-download-link')
+            ) {
+              var a = t.getAttribute('data-src'),
+                n = document.createElement('a')
+              return (
+                (n.textContent = t.getAttribute('data-download-link-label') || 'Download'),
+                n.setAttribute('download', ''),
+                (n.href = a),
+                n
+              )
+            }
+          })
     }),
-    document.addEventListener('DOMContentLoaded', self.Prism.fileHighlight)),
-(Prism.languages.json = {
-  property: /"(?:\\.|[^\\"\r\n])*"(?=\s*:)/i,
-  string: { pattern: /"(?:\\.|[^\\"\r\n])*"(?!\s*:)/, greedy: !0 },
-  number: /\b0x[\dA-Fa-f]+\b|(?:\b\d+\.?\d*|\B\.\d+)(?:[Ee][+-]?\d+)?/,
-  punctuation: /[{}[\]);,]/,
-  operator: /:/g,
-  boolean: /\b(?:true|false)\b/i,
-  null: /\bnull\b/i
-}),
-(Prism.languages.jsonp = Prism.languages.json)
+    document.addEventListener('DOMContentLoaded', function () {
+      self.Prism.fileHighlight()
+    })),
+  (Prism.languages.json = {
+    comment: /\/\/.*|\/\*[\s\S]*?(?:\*\/|$)/,
+    property: { pattern: /"(?:\\.|[^\\"\r\n])*"(?=\s*:)/, greedy: !0 },
+    string: { pattern: /"(?:\\.|[^\\"\r\n])*"(?!\s*:)/, greedy: !0 },
+    number: /-?\d+\.?\d*(e[+-]?\d+)?/i,
+    punctuation: /[{}[\],]/,
+    operator: /:/,
+    boolean: /\b(?:true|false)\b/,
+    null: { pattern: /\bnull\b/, alias: 'keyword' }
+  })