If we search for #, %, & and other special chars it's not treated as search character.
i am not sure it is valid or not. but if we dont accept those chars as search then it should give invalid message or no content message.
Steps to Reproduce:
Login to zanata.
Go to glossary page.
Search for #, %, & and observe the result.
List of glossary terms show on above char search
If those are not a valid chars to search then it should show/throw specific message.