Abbey Davis, Seth Davis, Zander Davis, Kelsie Davis and William Roberts of Charlotte, North Carolina, enjoy some outside time at the Little Diner in Lionshead. Putting up temporary structures for outside sheltered dining has been a boon for smaller restaurants in town. Mort Mulliken / Special to the Daily Vail’s vibrancy last summer and through the winter was in part due to bending some existing rules. The question now is how to maintain that vibrancy. Perhaps the biggest change to last summer’s rules is “common consumption areas.” Those areas allow people to wander around with an adu...