Create a new channel as a copy of main.
Rename main to:
Delete main? This cannot be undone.
# RUN: yaml-bench -canonical %s # Unordered set of key: value pairs. Block style: !!map Clark : Evans Brian : Ingerson Oren : Ben-Kiki Flow style: !!map { Clark: Evans, Brian: Ingerson, Oren: Ben-Kiki }