Tmux-copycat stops working after tmux commit f8ad72b2eeafc1146c116f73194a3950aa0c2143

[frosencrantz]

This plugin stoped working after tmux commit
tmux/tmux@f8ad72b

It worked at tmux commit ec151b79ec672fac04db3305a161bcd67e22bbb7
tmux/tmux@ec151b7

The commits in between involve changes related to how per-pane options are handled, which is used by this plugin.