--- a/.inputrc	Thu Nov 09 12:53:56 2023 +0200
+++ b/.inputrc	Sun Nov 12 11:02:48 2023 +0200
@@ -83,6 +83,11 @@
 "\C-w": kill-region
 "\ew": copy-region-as-kill
 
+# Below paragraph are default settings.
+"\C-_": undo
+"\C-]": character-search
+"\e\C-]": character-search-backward
+
 # Ctrl+Left/Right to move by whole words. XTerm/Mintty.
 "\e[1;5C": forward-word
 "\e[1;5D": backward-word
@@ -95,7 +100,6 @@
 
 # Ctrl+Backspace/Delete to delete whole words. XTerm/Mintty.
 "\e[3;5~": kill-word
-"\C-_": backward-kill-word
 # Alt+DEL delete word forward. Putty.
 "\e\e[3~": kill-word
 # Alt+DEL delete word forward. XTerm, Mintty.