Common subdirectories: iron-orig/.git and iron/.git
diff -up iron-orig/iron iron/iron
--- iron-orig/iron	2022-09-27 16:31:30.071453175 +0200
+++ iron/iron	2022-09-27 16:38:35.992442441 +0200
@@ -389,11 +389,11 @@ IRON_CHECK_MODE()
 {
   read -t 1 -n 1 MODE > /dev/null
   case "$MODE" in
-  "i") MODE="INSERT" && IRON_INSERT ;;
+  "e") MODE="INSERT" && IRON_INSERT ;;
   "") MODE="NORMAL" ; donotreprint=true ; clear ; IRON_HEADER ; IRON_PRINT_MESSAGES ;;
   "r") rm -f $WDIR/iron-messagedata $WDIR/iron-message && $0 && IRON_EXIT ;;
   ":") IRON_CMD ;;
-  "e") touch $WDIR/iron-editor-message ; $EDITOR $WDIR/iron-editor-message && IRON_MESSAGE_TYPE=editor && IRON_SEND_MESSAGE ;;
+  "i") touch $WDIR/iron-editor-message ; $EDITOR $WDIR/iron-editor-message && IRON_MESSAGE_TYPE=editor && IRON_SEND_MESSAGE ;;
   "Z") IRON_ZCMD ;;
   "q") IRON_EXIT ;;
   "l") IRON_MAIN ;;