Merge branch 't/kill_gsu_self'

Cooking for three weeks.

	* t/kill_gsu_self:
	  Remove $_gsu_self.

Conflicts:
	subcommand

diff --cc subcommand
index 06f677b020a66547921215ff91ae47e5a4d8d8bb,8bb755f1003feab180e25c3765f751a0441333ed..6449d6efffaeba565b25c905f34f39eb9ae07db0
--- 1/subcommand
--- 2/subcommand
+++ b/subcommand
@@@ -222,7 -227,7 +222,7 @@@ _com_help(
        ere="$result"
  
        if (($# == 0)); then
-               gsu_short_msg "### $_gsu_self -- $gsu_banner_txt ###"
 -              _gsu_banner_msg 2>&1
++              gsu_short_msg "### $gsu_name -- $gsu_banner_txt ###"
                _gsu_usage 2>&1
                {
                        printf "com_help()\n$gsu_help_txt" | head -n 4; echo "--"