<b>Chrome Version       : <Copy from: 'about:version'></b>
URLs (if applicable) :
Other browsers tested:
  Add OK or FAIL, along with the version, after other browsers where you
have tested this issue:
     Safari:
    Firefox:
         IE:

What steps will reproduce the problem?
(1)Add special character and table structured content 
(2)
(3)

What is the expected result?
Need to be allowed

What happens instead?
throwing error as Disallowed Key Characters

Please provide any additional information below. Attach a screenshot if
possible.