Common syntax error in CQL

Space key is a reserve word

Steps to Reproduce

1. Create a new space with space key “IS”

2. Edit the home page and create a CQL Search Macro with the following CQL

   space = $$space.key$$

3. You will get this error message

   Syntax error in CQL : space = IS

Fix

1. Add quote-marks to the reserve words

   space = "$$space.key$$"