SQL Server Management Studio Code (SSMS) Code Outlining

Question

I have an intermittent problem with SSMS. Sometimes (as I write this, actually), code outlining is gone in my SSMS. That means there are no + and - signs to expand/collapse sections of code.

Wonder if any one else has had this issue and solved it

Answer 1

Found it. I had disabled Intellisense since it (sometimes) conflicts with SQL Prompt. Re-enabling Intellisense brought outlining back