What version are you running?
1.7.20
What's the URL of the page containing the problem?
/r/search/?q=TEST%3A%3ASEARCH
What steps will reproduce the problem?
1. Use double colon as a searched phrase
What is the expected output? What do you see instead?
At least a detailed explanation for the incorrect search term/phrase is shown to the user. I was not able to convert this double colon query to a syntactically correct form. Instead a 500 error page is loaded.
What operating system are you using? What browser?
Irrelevant.
Please provide any additional information below.
Not needed.