clean-buffer-list-delay-generalclean-buffer-list-delay-general is a variable defined in `
midnight.el'. Its value is
3Documentation: The number of days before any buffer becomes eligible for autokilling. The autokilling is done by `clean-buffer-list' when is it in `midnight-hook'. Currently displayed and/or modified (unsaved) buffers, as well as buffers matching `clean-buffer-list-kill-never-buffer-names' and `clean-buffer-list-kill-never-regexps' are excluded. You can customize this variable.