Sandbox

experimental page:

x=<span class="smw-highlighter" data-type="4" data-state="inline" data-title="Warning" title="Some use of &quot

   
x=&quot
   &quot
x=in your query was not closed by a matching &quot
   In your query was not closed by a matching &quot
x=&quot
   &quot
x=.">Some use of "" in your query was not closed by a matching "".
   

  
  

formula:

$y=2+x$

where: