This particular hotfix states "This hotfix improves performance when utilizing Sketch Grids within your project"
http://usa.autodesk.com/adsk/servlet/ps/dl/item?siteID=123112&id=19405316&linkID=9273944
What are "Sketch Grids"? Is this hotfix actually for the action of creating grids in sketch mode, or is the term a misnomer for "Guide Grids"
