update elements and fix some bugs

lib/src/prism/plugins/keep-markup/prism-keep-markup.min.js

Index: lib/src/prism/plugins/keep-markup/prism-keep-markup.min.js
diff --git a/lib/src/prism/plugins/keep-markup/prism-keep-markup.min.js b/lib/src/prism/plugins/keep-markup/prism-keep-markup.min.js
new file mode 100644
index 0000000000000000000000000000000000000000..86a39c93b72ce30fdc86b8e42d71cbbd2ce7cb66
--- /dev/null
+++ b/lib/src/prism/plugins/keep-markup/prism-keep-markup.min.js
@@ -0,0 +1 @@
+!function(){"undefined"!=typeof self&&self.Prism&&self.document&&document.createRange&&(Prism.hooks.add("before-highlight",function(e){var n=!1,o=0,t=[],d=function(e,a){var r={};a||(r.clone=e.cloneNode(!1),r.posOpen=o,t.push(r));for(var s=0,p=e.childNodes.length;p>s;s++){var l=e.childNodes[s];1===l.nodeType?d(l):3===l.nodeType&&(n||(l.data=l.data.replace(/^(?:\r?\n|\r)/,""),n=!0),o+=l.data.length)}a||(r.posClose=o)};d(e.element,!0),t&&t.length&&(e.keepMarkup=t)}),Prism.hooks.add("after-highlight",function(e){if(e.keepMarkup&&e.keepMarkup.length){var n=function(e,o){for(var t=0,d=e.childNodes.length;d>t;t++){var a=e.childNodes[t];if(1===a.nodeType){if(!n(a,o))return!1}else 3===a.nodeType&&(!o.nodeStart&&o.pos+a.data.length>o.node.posOpen&&(o.nodeStart=a,o.nodeStartPos=o.node.posOpen-o.pos),o.nodeStart&&o.pos+a.data.length>=o.node.posClose&&(o.nodeEnd=a,o.nodeEndPos=o.node.posClose-o.pos),o.pos+=a.data.length);if(o.nodeStart&&o.nodeEnd){var r=document.createRange();return r.setStart(o.nodeStart,o.nodeStartPos),r.setEnd(o.nodeEnd,o.nodeEndPos),o.node.clone.appendChild(r.extractContents()),r.insertNode(o.node.clone),r.detach(),!1}}return!0};e.keepMarkup.forEach(function(o){n(e.element,{node:o,pos:0})})}}))}();