Experiencing
If you click the View Source icon ( 
), you can view the document in the fullscreen mode.
Linking CodeMirror
Linking CodeMirror
<link href='https://synapeditor.com/se/resource/synapeditor/synapeditor.min.css' rel='stylesheet' type='text/css'> <script src="https://code.jquery.com/jquery-3.3.1.js"></script> <script src='https://synapeditor.com/se/resource/synapeditor/synapeditor.min.js'></script> <script src='https://synapeditor.com/se/resource/synapeditor/synapeditor.config.js'></script> <!-- code mirror --> <script type="text/javascript" src='https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.39.0/codemirror.min.js'></script> <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.39.0/mode/xml/xml.min.js"></script> <link rel='stylesheet' href='https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.39.0/codemirror.min.css'>
If you link Code Mirror, viewing and editing the source code become much easier.