osx clipboard

set-option -g default-command "which reattach-to-user-namespace > /dev/null && reattach-to-user-namespace -l $SHELL ||$SHELL"

Undercurl

set -as terminal-overrides ',:Smulx=\E[4::%p1%dm' # undercurl support set -as terminal-overrides ',:Setulc=\E[58::2::%p1%{65536}%/%d::%p1%{256}%/%{255}%&%d::%p1%{255}%&%d%;m' # underscore colours - needs tmux-3.0