improve rename mode

sfm

@@ -777,8 +777,10 @@ open_file() {
 # read a line of input in raw mode, returns result in READ_LINE
 # returns 1 if user pressed Esc (cancel), 0 on Enter
 read_line() {
-    READ_LINE=""
+    READ_LINE="${_init:-}"
+    _init=""
     show_cursor
+    printf '%s' "$READ_LINE"
     while true; do
         IFS= read -r -n1 _ch 2>/dev/null || IFS= read -r _ch
         case "$_ch" in
@@ -1351,10 +1353,11 @@ do_delete() {
 
 do_rename() {
     entry=$(get_entry "$SEL")
+    _name="${entry%@}"; _name="${_name%/}"
     goto "$(term_rows)" 1
-    printf '%s%s Rename "%s" to (esc=cancel): %s' "${ERASE_LINE}" "${YELLOW}${BOLD}" "$entry" "${RESET}"
-    if read_line && [ -n "$READ_LINE" ] && [ "$READ_LINE" != "$entry" ]; then
-        _name="${entry%@}"; _name="${_name%/}"
+    printf '%s%s Rename: %s' "${ERASE_LINE}" "${YELLOW}${BOLD}" "${RESET}"
+    _init="$_name"
+    if read_line && [ -n "$READ_LINE" ] && [ "$READ_LINE" != "$_name" ]; then
         mv "${CWD}/${_name}" "${CWD}/${READ_LINE}"
         load_entries
     else