Units with Jump capability

Is there any built in functionality for pathing units that can jump over obstacles of a given width or smaller? I can accomplish this with a second grid and different obstacle layer, but thought it might be something built in.

Also, I’m having some serious difficulty searching the forums - is there any way of performing an intelligent search on this forum software? i.e. searching for [unit cutting corners] returns any post with unit, any post with cutting, etc. Searching for [“unit cutting corners”] returns any post with "unit, any post with cutting, etc…

Or should I just use google’s site: prefix?