ref: a209ae15974071706783e535d2ddde126e198dd8
mutt/sidebar.muttrc
### # options specific to mutt's sidebar patch ### # settings # set sidebar_delim = ' │' set sidebar_visible = yes set sidebar_width = 30 # colors color sidebar_new color221 color233 # bindings bind index,pagersidebar-next bind index,pager sidebar-prev bind index,pager sidebar-open